Holmwood to Shamley Green walk

The Greensand Way : Leith Hill and Tower, Holmbury Hill, Pitch Hill and the Hurt Wood

Hiking weather forecast

Surrey hourly weather (Visual Crossing)

Sunset: 17:51. Dusk: 18:26. Dark: 19:04. Moon 54% (22:17 to dawn)

Updated: Wed, 23-Oct at 11:39

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Thu, 24 Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 10% 10%
Fri, 25 Oct 36% 36% 42% 42% 42% 42% 42% 42% 26% 26% 26% 26% 26% 26% 13% 13%
Sat, 26 Oct 3% 3% 10% 10% 10% 10% 10% 10% 7% 7% 7% 7% 7% 7% 29% 29%
Sun, 27 Oct 19% 10% 10% 10% 10% 10% 10% 0% 0% 0% 0% 0% 0% 23% 23% 23%
Mon, 28 Oct 19% 10% 10% 10% 10% 10% 10% 13% 13% 13% 13% 13% 13% 10% 10% 10%
Tue, 29 Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 3% 3% 3%
Wed, 30 Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Thu, 31 Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Fri, 01 Nov 0% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 0% 0% 0%
Sat, 02 Nov 0% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 7% 7% 7%
Sun, 03 Nov 3% 7% 7% 7% 7% 7% 7% 7% 7% 7% 7% 7% 7% 13% 13% 13%
Mon, 04 Nov 10% 7% 7% 7% 7% 7% 7% 10% 10% 10% 10% 10% 10% 7% 7% 7%
Tue, 05 Nov 10% 7% 7% 7% 7% 7% 7% 10% 10% 10% 10% 10% 10% 10% 10% 10%
Wed, 06 Nov 3% 3% 3% 3% 3% 3% 3% 10% 10% 10% 10% 10% 10% 16% 16% 16%

Percentages are the chance of rain.

Weather data by Visual Crossing

Surrey hourly weather (Open Meteo)

Sunset: 17:51. Dusk: 18:26. Dark: 19:04. Moon 54% (22:17 to dawn)

Updated: Wed, 23-Oct at 11:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 10% 10% 5% 0% 0% 0% 0% 0% 0% 0%
Thu, 24 Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Fri, 25 Oct 5% 10% 10% 10% 13% 22% 33% 40% 38% 32% 25% 18% 10% 5% 6% 11%
Sat, 26 Oct 5% 5% 5% 5% 5% 5% 5% 5% 5% 6% 6% 7% 8% 8% 8% 9%
Sun, 27 Oct 15% 14% 13% 11% 9% 7% 5% 4% 2% 1% 1% 0% 0% 1% 2% 3%
Mon, 28 Oct 18% 13% 13% 14% 14% 15% 15% 15% 15% 16% 16% 16% 16% 16% 16% 16%
Tue, 29 Oct 12% 11% 11% 10% 9% 9% 8% 7% 7% 6% 5% 4% 4% 🌫 3% 🌫 2% 🌫 1%
Wed, 30 Oct 🌫 0% 🌫 0% 🌫 0% 🌫 0% 0% 0% 0% 0% 0% 0% 1% 2% 3% 2% 1% 0%
Thu, 31 Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 2% 3% 3% 3% 3%
Fri, 01 Nov 3% 2% 1% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Sat, 02 Nov 0% 0% 0% 0% 0% 0% 0% 1% 1% 2% 2% 3% 3% 3% 3% 3%
Sun, 03 Nov 3% 4% 4% 5% 5% 6% 6% 6% 6% 6% 6% 6% 6% 6% 6% 6%
Mon, 04 Nov 10% 10% 9% 8% 7% 6% 6% 7% 9% 10% 11% 13% 13% 11% 9% 6%
Tue, 05 Nov 10% 11% 11% 11% 11% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10%
Wed, 06 Nov 3% 2% 2% 2% 2% 3% 3% 3% 4% 4% 5% 5% 6% 7% 8% 9%
Thu, 07 Nov 3% 2% 2% 2% 2% 3% 3% 4% 4% 5% 5% 6% 6% 6% 6% 6%

Percentages are the chance of rain.

Weather data by Open-Meteo

Surrey hourly weather (Met Office)

Sunset: 17:51. Dusk: 18:26. Dark: 19:04. Moon 54% (22:17 to dawn)

Updated: Wed, 23-Oct at 11:00

06 09 12 15 18 21
Today 5% 4% 0% 0%
Thu, 24 Oct 0% 0% 0% 8% 8% 2%
Fri, 25 Oct 16% 60% 65% 40% 9% 6%
Sat, 26 Oct 7% 6% 9% 8% 5% 5%
Sun, 27 Oct 9% 9% 11% 10% 8% 12%
Mon, 28 Oct 17% 13% 12% 41% 12% 11%
Tue, 29 Oct 9% 7% 5% 4% 5% 6%
Wed, 30 Oct 7% 9%

Percentages are the chance of rain.

Weather data by Met Office

Regional weather (Met Office)

Sunset: 17:51. Dusk: 18:26. Dark: 19:04. Moon 54% (22:17 to dawn)

Updated: Wed, 23-Oct at 11:38

South East England

Dry. Early cloud and fog clearing to sunny spells. Mild.

  • Early fog patches and low cloud will gradually lift and clear through the morning
  • A largely fine day follows with sunny spells
  • Mainly dry, however a very isolated shower is possible, most likely during the morning
  • Feeling mild
  • Maximum Temperature 17C

Tonight:

  • Clear skies developing during the evening, and likely persisting overnight for most
  • Staying drier and perhaps milder than on the previous night, but winds also strengthening a little
  • Minimum Temperature 8C

Thursday:

  • Dry with variable cloud and some sunny spells
  • The best of the sunshine likely across eastern parts, mainly during the morning or early afternoon
  • Feeling mild despite the blustery winds
  • Maximum Temperature 17C

Outlook for Friday to Sunday:

  • Unsettled with periods of wet and occasionally windy weather likely, but also some drier intervals, most likely Sunday
  • Mild temperatures at first, easing to be near normal for late October

UK Day 6-7 and week 2

  • Initially breezy or windy with large amounts of cloud and some outbreaks of rain, especially in northern and western areas, with generally drier conditions farther southeast
  • However, high pressure is likely to build more strongly across southern UK into next week, tending to restrict the majority of any wet and windy weather to the far northwest
  • That said, areas of cloud trapped underneath this area of high pressure may still produce some drizzly rain in places, with an increased chance of frost and fog under any lengthier clear spells, perhaps slow to clear
  • Later next week and into the following weekend there may be a tendency for high pressure to retreat, bringing an increased chance of breezier conditions and some rain in places
  • Temperatures near-average for much of this period

UK Week 3 and 4

  • A change in the broad weather pattern over the UK is expected towards mid-November and beyond, as high pressure initially over the nearby continent tends to become more focussed to the north or northwest of the UK
  • This may allow areas of low pressure, south-shifted from their more typical tracks, to approach southern UK and bring rain or showers at times
  • As a result, after a relatively dry start to the month in the south and east it is likely to become wetter than average here, while conversely northwestern areas, after a wetter start to the month, will tend to revert to drier than average conditions
  • Temperatures will probably be close to average for much of this period as a whole, although some colder interludes are possible

Weather data by Met Office

Surrey Air Quality (Pollen and UV)

Updated: Wed, 23-Oct at 11:36

Key : Low Medium High Very High

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Today air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q   air q   air q   air q   air q   air q  
Thu, 24 Oct air q   air q   air q   air q   air q   air q   air q   air q   air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q   air q   air q   air q   air q   air q  
Fri, 25 Oct air q   air q   air q   air q   air q   air q   air q   air q   air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q   air q   air q   air q   air q   air q  
Sat, 26 Oct air q   air q   air q   air q   air q   air q   air q   air q   air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q UV air q   air q   air q   air q   air q   air q  

Pollens

These pollens are shown (in season):

  • Grass
  • Alder and birch (trees)
  • Mugwort and Ragweed (weeds)

When out walking, wraparound glasses, a disposable or washable facemask, and being at the front of the group, all help.

Other forecasts: Met Office, University of Worcester

UV and Air Quality

The UV forecast takes account of cloud cover.

"Air Q", the European Air Quality index, is a mix of dust/particulates, ozone, sulphur and nitrous oxides

Data

Weather data by Open-Meteo and CAMS ENSEMBLE

Surrey Visibility

Updated: Wed, 23-Oct at 11:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 15km 25km 32km 30km 36km 37km 25km 20km 10km 6km 10km
Thu, 24 Oct 5km 5km 5km 7km 11km 16km 24km 29km 32km 31km 29km 22km 16km 10km 6km 5km
Fri, 25 Oct 4km 4km 4km 4km 6km 7km 11km 21km 22km 38km 41km 40km 37km 35km 37km 36km
Sat, 26 Oct 21km 22km 21km 22km 27km 44km 54km 59km 58km 57km 56km 46km 36km 27km 20km 14km
Sun, 27 Oct 9km 10km 12km 13km 23km 33km 43km 44km 44km 44km 34km 24km 14km 12km 10km 8km

Visibility in km. Above 50km is 'good'. Humidity and air pollution make it worse. Theoretical maximum is 300km/200 miles in clean dry polar air.

On the South Downs, at ~ 170m/500ft, the horizon is is ~ 45km/30 miles away. On a mountain at 1,000m/3,000ft, it is ~ 160km/100 miles away. Formula: horizon in km = √ (13 x altitude in m)

Weather data by Open-Meteo

Surrey daylight

Date Light Dawn Sunrise Max Ht. Sunset Dusk Dark Day Length
Wed, 23-Oct 06:27 07:06 07:40 12:46 17:51 18:26 19:04 11:19
Thu, 24-Oct 06:28 07:07 07:42 12:46 17:49 18:24 19:02 11:16
Fri, 25-Oct 06:30 07:09 07:43 12:46 17:47 18:22 19:01 11:12
Sat, 26-Oct 06:32 07:11 07:45 12:46 17:46 18:20 18:59 11:09
Sun, 27-Oct 05:33 06:12 06:47 11:46 16:44 17:18 17:57 11:05
Mon, 28-Oct 05:35 06:14 06:49 11:45 16:42 17:16 17:55 11:02
Tue, 29-Oct 05:36 06:15 06:50 11:45 16:40 17:15 17:54 10:59
Wed, 30-Oct 05:38 06:17 06:52 11:45 16:38 17:13 17:52 10:55
Thu, 31-Oct 05:39 06:19 06:54 11:45 16:36 17:11 17:50 10:52
Fri, 01-Nov 05:41 06:20 06:56 11:45 16:34 17:09 17:49 10:49
Sat, 02-Nov 05:43 06:22 06:57 11:45 16:33 17:08 17:47 10:45
Sun, 03-Nov 05:44 06:24 06:59 11:45 16:31 17:06 17:46 10:42
Mon, 04-Nov 05:46 06:25 07:01 11:45 16:29 17:05 17:44 10:39
Tue, 05-Nov 05:47 06:27 07:03 11:45 16:28 17:03 17:43 10:36
Wed, 06-Nov 05:49 06:29 07:04 11:45 16:26 17:02 17:41 10:32
Thu, 07-Nov 05:50 06:30 07:06 11:45 16:24 17:00 17:40 10:29
Fri, 08-Nov 05:52 06:32 07:08 11:46 16:23 16:59 17:38 10:26
Sat, 09-Nov 05:53 06:33 07:09 11:46 16:21 16:57 17:37 10:23
Sun, 10-Nov 05:55 06:35 07:11 11:46 16:20 16:56 17:36 10:20
Mon, 11-Nov 05:56 06:37 07:13 11:46 16:18 16:54 17:35 10:17
Tue, 12-Nov 05:58 06:38 07:15 11:46 16:17 16:53 17:33 10:14
Wed, 13-Nov 05:59 06:40 07:16 11:46 16:15 16:52 17:32 10:11
Thu, 14-Nov 06:01 06:41 07:18 11:46 16:14 16:51 17:31 10:09
Fri, 15-Nov 06:02 06:43 07:20 11:46 16:12 16:49 17:30 10:06
Sat, 16-Nov 06:04 06:45 07:22 11:47 16:11 16:48 17:29 10:03
Sun, 17-Nov 06:05 06:46 07:23 11:47 16:10 16:47 17:28 10:00
Mon, 18-Nov 06:07 06:48 07:25 11:47 16:09 16:46 17:27 09:58
Tue, 19-Nov 06:08 06:49 07:26 11:47 16:07 16:45 17:26 09:55
Wed, 20-Nov 06:10 06:51 07:28 11:47 16:06 16:44 17:25 09:53
Thu, 21-Nov 06:11 06:52 07:30 11:48 16:05 16:43 17:24 09:50
Fri, 22-Nov 06:12 06:54 07:31 11:48 16:04 16:42 17:23 09:48
Sat, 23-Nov 06:14 06:55 07:33 11:48 16:03 16:41 17:22 09:46
Sun, 24-Nov 06:15 06:56 07:35 11:49 16:02 16:40 17:22 09:43
Mon, 25-Nov 06:16 06:58 07:36 11:49 16:01 16:39 17:21 09:41
Tue, 26-Nov 06:18 06:59 07:38 11:49 16:00 16:39 17:20 09:39
Wed, 27-Nov 06:19 07:01 07:39 11:50 16:00 16:38 17:20 09:37
Thu, 28-Nov 06:20 07:02 07:41 11:50 15:59 16:37 17:19 09:35
Fri, 29-Nov 06:21 07:03 07:42 11:50 15:58 16:37 17:19 09:33
Sat, 30-Nov 06:23 07:05 07:43 11:51 15:57 16:36 17:18 09:31
Sun, 01-Dec 06:24 07:06 07:45 11:51 15:57 16:36 17:18 09:29
Mon, 02-Dec 06:25 07:07 07:46 11:51 15:56 16:35 17:17 09:28
Tue, 03-Dec 06:26 07:08 07:47 11:52 15:56 16:35 17:17 09:26
Wed, 04-Dec 06:27 07:10 07:49 11:52 15:55 16:34 17:17 09:24
Thu, 05-Dec 06:28 07:11 07:50 11:53 15:55 16:34 17:17 09:23
Fri, 06-Dec 06:29 07:12 07:51 11:53 15:54 16:34 17:16 09:22
Sat, 07-Dec 06:30 07:13 07:52 11:53 15:54 16:34 17:16 09:20
Sun, 08-Dec 06:31 07:14 07:54 11:54 15:54 16:33 17:16 09:19
Mon, 09-Dec 06:32 07:15 07:55 11:54 15:54 16:33 17:16 09:18
Tue, 10-Dec 06:33 07:16 07:56 11:55 15:54 16:33 17:16 09:17
Wed, 11-Dec 06:34 07:17 07:57 11:55 15:54 16:33 17:16 09:16
Thu, 12-Dec 06:35 07:18 07:58 11:56 15:53 16:33 17:16 09:15
Fri, 13-Dec 06:36 07:19 07:59 11:56 15:54 16:33 17:16 09:14
Sat, 14-Dec 06:37 07:20 08:00 11:57 15:54 16:34 17:16 09:14
Sun, 15-Dec 06:37 07:20 08:00 11:57 15:54 16:34 17:17 09:13
Mon, 16-Dec 06:38 07:21 08:01 11:58 15:54 16:34 17:17 09:12
Tue, 17-Dec 06:39 07:22 08:02 11:58 15:54 16:34 17:17 09:12
Wed, 18-Dec 06:39 07:22 08:03 11:59 15:55 16:35 17:18 09:12
Thu, 19-Dec 06:40 07:23 08:03 11:59 15:55 16:35 17:18 09:11
Fri, 20-Dec 06:41 07:24 08:04 12:00 15:55 16:35 17:18 09:11
Sat, 21-Dec 06:41 07:24 08:04 12:00 15:56 16:36 17:19 09:11
Sun, 22-Dec 06:42 07:25 08:05 12:01 15:56 16:36 17:19 09:11
Mon, 23-Dec 06:42 07:25 08:05 12:01 15:57 16:37 17:20 09:12
Tue, 24-Dec 06:42 07:25 08:06 12:02 15:58 16:38 17:21 09:12
Wed, 25-Dec 06:43 07:26 08:06 12:02 15:58 16:38 17:21 09:12
Thu, 26-Dec 06:43 07:26 08:06 12:03 15:59 16:39 17:22 09:13
Fri, 27-Dec 06:43 07:26 08:06 12:03 16:00 16:40 17:23 09:13
Sat, 28-Dec 06:44 07:27 08:06 12:04 16:01 16:41 17:24 09:14
Sun, 29-Dec 06:44 07:27 08:07 12:04 16:02 16:42 17:24 09:14
Mon, 30-Dec 06:44 07:27 08:07 12:04 16:03 16:42 17:25 09:15
Tue, 31-Dec 06:44 07:27 08:07 12:05 16:04 16:43 17:26 09:16
Wed, 01-Jan 06:44 07:27 08:06 12:05 16:05 16:44 17:27 09:17
Thu, 02-Jan 06:44 07:27 08:06 12:06 16:06 16:45 17:28 09:18
Fri, 03-Jan 06:44 07:27 08:06 12:06 16:07 16:46 17:29 09:19
Sat, 04-Jan 06:44 07:26 08:06 12:07 16:08 16:47 17:30 09:21
Sun, 05-Jan 06:44 07:26 08:06 12:07 16:09 16:49 17:31 09:22
Mon, 06-Jan 06:44 07:26 08:05 12:08 16:10 16:50 17:32 09:23
Tue, 07-Jan 06:43 07:26 08:05 12:08 16:12 16:51 17:33 09:25
Wed, 08-Jan 06:43 07:25 08:04 12:09 16:13 16:52 17:34 09:26
Thu, 09-Jan 06:43 07:25 08:04 12:09 16:14 16:53 17:36 09:28
Fri, 10-Jan 06:42 07:24 08:03 12:09 16:16 16:55 17:37 09:30
Sat, 11-Jan 06:42 07:24 08:03 12:10 16:17 16:56 17:38 09:32
Sun, 12-Jan 06:41 07:23 08:02 12:10 16:19 16:57 17:39 09:33
Mon, 13-Jan 06:41 07:23 08:01 12:11 16:20 16:59 17:41 09:35
Tue, 14-Jan 06:40 07:22 08:00 12:11 16:22 17:00 17:42 09:37
Wed, 15-Jan 06:40 07:21 08:00 12:11 16:23 17:02 17:43 09:40
Thu, 16-Jan 06:39 07:21 07:59 12:12 16:25 17:03 17:44 09:42
Fri, 17-Jan 06:38 07:20 07:58 12:12 16:26 17:04 17:46 09:44
Sat, 18-Jan 06:38 07:19 07:57 12:12 16:28 17:06 17:47 09:46
Sun, 19-Jan 06:37 07:18 07:56 12:13 16:30 17:07 17:49 09:49
Mon, 20-Jan 06:36 07:17 07:55 12:13 16:31 17:09 17:50 09:51
Tue, 21-Jan 06:35 07:16 07:54 12:13 16:33 17:10 17:52 09:54
Wed, 22-Jan 06:34 07:15 07:53 12:13 16:35 17:12 17:53 09:56
Thu, 23-Jan 06:33 07:14 07:51 12:14 16:36 17:14 17:54 09:59
Fri, 24-Jan 06:32 07:13 07:50 12:14 16:38 17:15 17:56 10:01
Sat, 25-Jan 06:31 07:12 07:49 12:14 16:40 17:17 17:57 10:04
Sun, 26-Jan 06:30 07:11 07:48 12:14 16:42 17:18 17:59 10:07
Mon, 27-Jan 06:29 07:10 07:46 12:15 16:43 17:20 18:00 10:10
Tue, 28-Jan 06:28 07:08 07:45 12:15 16:45 17:22 18:02 10:13
Wed, 29-Jan 06:27 07:07 07:44 12:15 16:47 17:23 18:04 10:16
Thu, 30-Jan 06:26 07:06 07:42 12:15 16:49 17:25 18:05 10:19
Fri, 31-Jan 06:24 07:05 07:41 12:15 16:50 17:27 18:07 10:22
Sat, 01-Feb 06:23 07:03 07:39 12:15 16:52 17:28 18:08 10:25
Sun, 02-Feb 06:22 07:02 07:38 12:15 16:54 17:30 18:10 10:28
Mon, 03-Feb 06:20 07:00 07:36 12:16 16:56 17:32 18:11 10:31
Tue, 04-Feb 06:19 06:59 07:34 12:16 16:58 17:33 18:13 10:34
Wed, 05-Feb 06:18 06:57 07:33 12:16 16:59 17:35 18:15 10:37
Thu, 06-Feb 06:16 06:56 07:31 12:16 17:01 17:37 18:16 10:40
Fri, 07-Feb 06:15 06:54 07:29 12:16 17:03 17:38 18:18 10:44
Sat, 08-Feb 06:13 06:53 07:28 12:16 17:05 17:40 18:19 10:47
Sun, 09-Feb 06:12 06:51 07:26 12:16 17:07 17:42 18:21 10:50
Mon, 10-Feb 06:10 06:49 07:24 12:16 17:09 17:43 18:23 10:54
Tue, 11-Feb 06:08 06:47 07:22 12:16 17:10 17:45 18:24 10:57
Wed, 12-Feb 06:07 06:46 07:20 12:16 17:12 17:47 18:26 11:01
Thu, 13-Feb 06:05 06:44 07:19 12:16 17:14 17:49 18:28 11:04
Fri, 14-Feb 06:03 06:42 07:17 12:16 17:16 17:50 18:29 11:08
Sat, 15-Feb 06:02 06:40 07:15 12:16 17:18 17:52 18:31 11:11
Sun, 16-Feb 06:00 06:39 07:13 12:16 17:19 17:54 18:33 11:15
Mon, 17-Feb 05:58 06:37 07:11 12:16 17:21 17:55 18:34 11:18
Tue, 18-Feb 05:56 06:35 07:09 12:16 17:23 17:57 18:36 11:22
Wed, 19-Feb 05:54 06:33 07:07 12:16 17:25 17:59 18:38 11:25
Thu, 20-Feb 05:52 06:31 07:05 12:15 17:27 18:01 18:39 11:29
Fri, 21-Feb 05:51 06:29 07:03 12:15 17:28 18:02 18:41 11:33
Sat, 22-Feb 05:49 06:27 07:01 12:15 17:30 18:04 18:43 11:36
Sun, 23-Feb 05:47 06:25 06:59 12:15 17:32 18:06 18:44 11:40
Mon, 24-Feb 05:45 06:23 06:57 12:15 17:34 18:07 18:46 11:44
Tue, 25-Feb 05:43 06:21 06:55 12:15 17:36 18:09 18:48 11:48
Wed, 26-Feb 05:41 06:19 06:53 12:15 17:37 18:11 18:49 11:51
Thu, 27-Feb 05:39 06:17 06:51 12:14 17:39 18:13 18:51 11:55
Fri, 28-Feb 05:37 06:15 06:48 12:14 17:41 18:14 18:53 11:59
Sat, 01-Mar 05:35 06:13 06:46 12:14 17:43 18:16 18:54 12:03
Sun, 02-Mar 05:32 06:11 06:44 12:14 17:44 18:18 18:56 12:06
Mon, 03-Mar 05:30 06:09 06:42 12:14 17:46 18:19 18:58 12:10
Tue, 04-Mar 05:28 06:07 06:40 12:13 17:48 18:21 19:00 12:14
Wed, 05-Mar 05:26 06:04 06:38 12:13 17:50 18:23 19:01 12:18
Thu, 06-Mar 05:24 06:02 06:35 12:13 17:51 18:25 19:03 12:22
Fri, 07-Mar 05:22 06:00 06:33 12:13 17:53 18:26 19:05 12:26
Sat, 08-Mar 05:20 05:58 06:31 12:12 17:55 18:28 19:07 12:29
Sun, 09-Mar 05:17 05:56 06:29 12:12 17:56 18:30 19:08 12:33
Mon, 10-Mar 05:15 05:54 06:27 12:12 17:58 18:31 19:10 12:37
Tue, 11-Mar 05:13 05:51 06:24 12:12 18:00 18:33 19:12 12:41
Wed, 12-Mar 05:11 05:49 06:22 12:11 18:02 18:35 19:13 12:45
Thu, 13-Mar 05:08 05:47 06:20 12:11 18:03 18:36 19:15 12:49
Fri, 14-Mar 05:06 05:45 06:18 12:11 18:05 18:38 19:17 12:53
Sat, 15-Mar 05:04 05:42 06:15 12:11 18:07 18:40 19:19 12:57
Sun, 16-Mar 05:01 05:40 06:13 12:10 18:08 18:42 19:21 13:01
Mon, 17-Mar 04:59 05:38 06:11 12:10 18:10 18:43 19:22 13:05
Tue, 18-Mar 04:57 05:36 06:09 12:10 18:12 18:45 19:24 13:09
Wed, 19-Mar 04:54 05:33 06:06 12:09 18:13 18:47 19:26 13:13
Thu, 20-Mar 04:52 05:31 06:04 12:09 18:15 18:48 19:28 13:17
Fri, 21-Mar 04:49 05:29 06:02 12:09 18:17 18:50 19:29 13:21
Sat, 22-Mar 04:47 05:26 06:00 12:09 18:19 18:52 19:31 13:25
Sun, 23-Mar 04:45 05:24 05:57 12:08 18:20 18:54 19:33 13:29
Mon, 24-Mar 04:42 05:22 05:55 12:08 18:22 18:55 19:35 13:33
Tue, 25-Mar 04:40 05:19 05:53 12:08 18:24 18:57 19:37 13:37
Wed, 26-Mar 04:37 05:17 05:50 12:07 18:25 18:59 19:39 13:41
Thu, 27-Mar 04:35 05:15 05:48 12:07 18:27 19:00 19:41 13:45
Fri, 28-Mar 04:32 05:12 05:46 12:07 18:29 19:02 19:42 13:49
Sat, 29-Mar 04:30 05:10 05:44 12:06 18:30 19:04 19:44 13:53
Sun, 30-Mar 05:28 06:08 06:41 13:06 19:32 20:06 20:46 13:57
Mon, 31-Mar 05:25 06:06 06:39 13:06 19:34 20:07 20:48 14:01
Tue, 01-Apr 05:23 06:03 06:37 13:06 19:35 20:09 20:50 14:05
Wed, 02-Apr 05:20 06:01 06:35 13:05 19:37 20:11 20:52 14:09
Thu, 03-Apr 05:18 05:59 06:32 13:05 19:39 20:13 20:54 14:14
Fri, 04-Apr 05:15 05:56 06:30 13:05 19:40 20:14 20:56 14:18
Sat, 05-Apr 05:13 05:54 06:28 13:04 19:42 20:16 20:58 14:22
Sun, 06-Apr 05:10 05:52 06:26 13:04 19:44 20:18 21:00 14:26
Mon, 07-Apr 05:07 05:49 06:24 13:04 19:45 20:20 21:02 14:30
Tue, 08-Apr 05:05 05:47 06:21 13:04 19:47 20:21 21:04 14:34
Wed, 09-Apr 05:02 05:45 06:19 13:03 19:48 20:23 21:06 14:38
Thu, 10-Apr 05:00 05:42 06:17 13:03 19:50 20:25 21:08 14:42
Fri, 11-Apr 04:57 05:40 06:15 13:03 19:52 20:27 21:10 14:46
Sat, 12-Apr 04:55 05:38 06:13 13:02 19:53 20:29 21:12 14:50
Sun, 13-Apr 04:52 05:35 06:10 13:02 19:55 20:30 21:14 14:54
Mon, 14-Apr 04:50 05:33 06:08 13:02 19:57 20:32 21:16 14:58
Tue, 15-Apr 04:47 05:31 06:06 13:02 19:58 20:34 21:18 15:03
Wed, 16-Apr 04:45 05:29 06:04 13:01 20:00 20:36 21:20 15:07
Thu, 17-Apr 04:42 05:26 06:02 13:01 20:02 20:38 21:22 15:11
Fri, 18-Apr 04:40 05:24 06:00 13:01 20:03 20:39 21:24 15:15
Sat, 19-Apr 04:37 05:22 05:58 13:01 20:05 20:41 21:26 15:19
Sun, 20-Apr 04:34 05:20 05:56 13:01 20:07 20:43 21:28 15:23

Max Height (solar noon) is when the sun is highest in the sky.

Day length is dusk to dawn. Times will vary if there is a hill on the horizon.

After 'Light' (nautical dawn) and before 'Dark' (nautical dusk), the horizon should be visible.

After 'Dawn' (civil dawn) and before 'Dusk' (civil dusk, or lighting up time), there should be enough light to read,

There will be enough light for walking for at least 30 minutes before sunrise and after sunset, even on an overcast day.

Surrey moonlight

Moonlight chart for walking at night.

Night of Sunset Dusk Moon Visible Dawn Sunrise Phase % Full Max. Ht. Night Walk
Wed, 23-Oct 17:51 18:26 22:17 dawn 07:07 07:42 54 % 07:04
Thu, 24-Oct 17:49 18:24 23:35 dawn 07:09 07:43 44 % 07:53
Fri, 25-Oct 17:47 18:22 00:52 dawn 07:11 07:45 34 % 08:39
Sat, 26-Oct 17:46 18:20 01:06 dawn 06:12 06:47 25 % 08:20
Sun, 27-Oct 16:44 17:18 02:17 dawn 06:14 06:49 17 % 09:00
Mon, 28-Oct 16:42 17:16 03:26 dawn 06:15 06:50 11 % 09:39
Tue, 29-Oct 16:40 17:15 04:35 dawn 06:17 06:52 6 % 10:18
Wed, 30-Oct 16:38 17:13 05:45 dawn 06:19 06:54 2 % 10:58
Thu, 31-Oct 16:36 17:11 06:20 06:56 0 % 11:40
Fri, 01-Nov 16:34 17:09 06:22 06:57 0 %
Sat, 02-Nov 16:33 17:08 06:24 06:59 2 % 12:25
Sun, 03-Nov 16:31 17:06 06:25 07:01 6 % 13:13
Mon, 04-Nov 16:29 17:05 dusk 17:26 06:27 07:03 11 % 14:05
Tue, 05-Nov 16:28 17:03 dusk 18:14 06:29 07:04 18 % 15:00
Wed, 06-Nov 16:26 17:02 dusk 19:18 06:30 07:06 27 % 15:55
Thu, 07-Nov 16:24 17:00 dusk 20:35 06:32 07:08 37 % 16:51
Fri, 08-Nov 16:23 16:59 dusk 21:59 06:33 07:09 47 % 17:45
Sat, 09-Nov 16:21 16:57 dusk 23:25 06:35 07:11 58 % 18:36
Sun, 10-Nov 16:20 16:56 dusk 00:51 06:37 07:13 69 % 19:26
Mon, 11-Nov 16:18 16:54 dusk 02:18 06:38 07:15 79 % 20:15 after dusk
Tue, 12-Nov 16:17 16:53 dusk 03:46 06:40 07:16 88 % 21:04 after dusk
Wed, 13-Nov 16:15 16:52 dusk 05:17 06:41 07:18 95 % 21:56 after dusk
Thu, 14-Nov 16:14 16:51 dusk dawn 06:43 07:20 99 % 22:50 all night
Fri, 15-Nov 16:12 16:49 dusk dawn 06:45 07:22 100 % 23:48 all night
Sat, 16-Nov 16:11 16:48 dusk dawn 06:46 07:23 98 % 00:50 all night
Sun, 17-Nov 16:10 16:47 dusk dawn 06:48 07:25 94 % 01:53 all night
Mon, 18-Nov 16:09 16:46 17:43 dawn 06:49 07:26 87 % 02:55 before dawn
Tue, 19-Nov 16:07 16:45 18:56 dawn 06:51 07:28 79 % 03:53 before dawn
Wed, 20-Nov 16:06 16:44 20:16 dawn 06:52 07:30 70 % 04:46
Thu, 21-Nov 16:05 16:43 21:35 dawn 06:54 07:31 61 % 05:34
Fri, 22-Nov 16:04 16:42 22:51 dawn 06:55 07:33 51 % 06:17
Sat, 23-Nov 16:03 16:41 00:04 dawn 06:56 07:35 41 % 06:58
Sun, 24-Nov 16:02 16:40 01:14 dawn 06:58 07:36 32 % 07:37
Mon, 25-Nov 16:01 16:39 02:23 dawn 06:59 07:38 24 % 08:16
Tue, 26-Nov 16:00 16:39 03:33 dawn 07:01 07:39 16 % 08:55
Wed, 27-Nov 16:00 16:38 04:44 dawn 07:02 07:41 10 % 09:36
Thu, 28-Nov 15:59 16:37 05:58 dawn 07:03 07:42 5 % 10:21
Fri, 29-Nov 15:58 16:37 07:05 07:43 2 % 11:08
Sat, 30-Nov 15:57 16:36 07:06 07:45 0 %
Sun, 01-Dec 15:57 16:36 07:07 07:46 1 % 12:00
Mon, 02-Dec 15:56 16:35 07:08 07:47 3 % 12:54
Tue, 03-Dec 15:56 16:35 dusk 17:11 07:10 07:49 8 % 13:51
Wed, 04-Dec 15:55 16:34 dusk 18:25 07:11 07:50 14 % 14:47
Thu, 05-Dec 15:55 16:34 dusk 19:47 07:12 07:51 23 % 15:41
Fri, 06-Dec 15:54 16:34 dusk 21:12 07:13 07:52 32 % 16:33
Sat, 07-Dec 15:54 16:34 dusk 22:36 07:14 07:54 43 % 17:22
Sun, 08-Dec 15:54 16:33 dusk 00:00 07:15 07:55 54 % 18:10
Mon, 09-Dec 15:54 16:33 dusk 01:24 07:16 07:56 65 % 18:57
Tue, 10-Dec 15:54 16:33 dusk 02:51 07:17 07:57 76 % 19:46 after dusk
Wed, 11-Dec 15:54 16:33 dusk 04:20 07:18 07:58 85 % 20:37 after dusk
Thu, 12-Dec 15:53 16:33 dusk 05:52 07:19 07:59 92 % 21:31 after dusk
Fri, 13-Dec 15:54 16:33 dusk dawn 07:20 08:00 97 % 22:30 all night
Sat, 14-Dec 15:54 16:34 dusk dawn 07:20 08:00 100 % 23:32 all night
Sun, 15-Dec 15:54 16:34 dusk dawn 07:21 08:01 99 % 00:35 all night
Mon, 16-Dec 15:54 16:34 dusk dawn 07:22 08:02 96 % 01:36 all night
Tue, 17-Dec 15:54 16:34 17:50 dawn 07:22 08:03 92 % 02:33 before dawn
Wed, 18-Dec 15:55 16:35 19:12 dawn 07:23 08:03 85 % 03:24 before dawn
Thu, 19-Dec 15:55 16:35 20:31 dawn 07:24 08:04 77 % 04:10 before dawn
Fri, 20-Dec 15:55 16:35 21:47 dawn 07:24 08:04 68 % 04:53
Sat, 21-Dec 15:56 16:36 22:59 dawn 07:25 08:05 59 % 05:33
Sun, 22-Dec 15:56 16:36 00:09 dawn 07:25 08:05 49 % 06:12
Mon, 23-Dec 15:57 16:37 01:18 dawn 07:25 08:06 40 % 06:51
Tue, 24-Dec 15:58 16:38 02:28 dawn 07:26 08:06 31 % 07:32
Wed, 25-Dec 15:58 16:38 03:41 dawn 07:26 08:06 23 % 08:15
Thu, 26-Dec 15:59 16:39 04:56 dawn 07:26 08:06 15 % 09:01
Fri, 27-Dec 16:00 16:40 06:11 dawn 07:27 08:06 9 % 09:51
Sat, 28-Dec 16:01 16:41 07:23 dawn 07:27 08:07 4 % 10:45
Sun, 29-Dec 16:02 16:42 07:27 08:07 1 % 11:41
Mon, 30-Dec 16:03 16:42 07:27 08:07 0 %
Tue, 31-Dec 16:04 16:43 07:27 08:06 1 % 12:39
Wed, 01-Jan 16:05 16:44 dusk 17:32 07:27 08:06 5 % 13:35
Thu, 02-Jan 16:06 16:45 dusk 18:58 07:27 08:06 11 % 14:29
Fri, 03-Jan 16:07 16:46 dusk 20:24 07:26 08:06 19 % 15:20
Sat, 04-Jan 16:08 16:47 dusk 21:49 07:26 08:06 28 % 16:08
Sun, 05-Jan 16:09 16:49 dusk 23:12 07:26 08:05 39 % 16:55
Mon, 06-Jan 16:10 16:50 dusk 00:36 07:26 08:05 50 % 17:43
Tue, 07-Jan 16:12 16:51 dusk 02:03 07:25 08:04 61 % 18:32
Wed, 08-Jan 16:13 16:52 dusk 03:31 07:25 08:04 72 % 19:23
Thu, 09-Jan 16:14 16:53 dusk 05:00 07:24 08:03 82 % 20:19 after dusk
Fri, 10-Jan 16:16 16:55 dusk 06:22 07:24 08:03 90 % 21:18 after dusk
Sat, 11-Jan 16:17 16:56 dusk dawn 07:23 08:02 95 % 22:19 all night
Sun, 12-Jan 16:19 16:57 dusk dawn 07:23 08:01 99 % 23:20 all night
Mon, 13-Jan 16:20 16:59 dusk dawn 07:22 08:00 100 % 00:18 all night
Tue, 14-Jan 16:22 17:00 dusk dawn 07:21 08:00 99 % 01:12 all night
Wed, 15-Jan 16:23 17:02 18:07 dawn 07:21 07:59 95 % 02:01 before dawn
Thu, 16-Jan 16:25 17:03 19:26 dawn 07:20 07:58 90 % 02:46 before dawn
Fri, 17-Jan 16:26 17:04 20:40 dawn 07:19 07:57 84 % 03:28 before dawn
Sat, 18-Jan 16:28 17:06 21:52 dawn 07:18 07:56 76 % 04:07 before dawn
Sun, 19-Jan 16:30 17:07 23:02 dawn 07:17 07:55 67 % 04:47
Mon, 20-Jan 16:31 17:09 00:12 dawn 07:16 07:54 58 % 05:26
Tue, 21-Jan 16:33 17:10 01:23 dawn 07:15 07:53 49 % 06:08
Wed, 22-Jan 16:35 17:12 02:37 dawn 07:14 07:51 39 % 06:52
Thu, 23-Jan 16:36 17:14 03:52 dawn 07:13 07:50 30 % 07:40
Fri, 24-Jan 16:38 17:15 05:05 dawn 07:12 07:49 22 % 08:32
Sat, 25-Jan 16:40 17:17 06:12 dawn 07:11 07:48 14 % 09:28
Sun, 26-Jan 16:42 17:18 07:06 dawn 07:10 07:46 8 % 10:25
Mon, 27-Jan 16:43 17:20 07:08 07:45 3 % 11:23
Tue, 28-Jan 16:45 17:22 07:07 07:44 0 %
Wed, 29-Jan 16:47 17:23 07:06 07:42 0 % 12:19
Thu, 30-Jan 16:49 17:25 dusk 18:03 07:05 07:41 3 % 13:12
Fri, 31-Jan 16:50 17:27 dusk 19:31 07:03 07:39 8 % 14:03
Sat, 01-Feb 16:52 17:28 dusk 20:57 07:02 07:38 15 % 14:52
Sun, 02-Feb 16:54 17:30 dusk 22:23 07:00 07:36 25 % 15:40
Mon, 03-Feb 16:56 17:32 dusk 23:50 06:59 07:34 35 % 16:29
Tue, 04-Feb 16:58 17:33 dusk 01:19 06:57 07:33 46 % 17:20
Wed, 05-Feb 16:59 17:35 dusk 02:47 06:56 07:31 58 % 18:14
Thu, 06-Feb 17:01 17:37 dusk 04:11 06:54 07:29 68 % 19:11
Fri, 07-Feb 17:03 17:38 dusk 05:23 06:53 07:28 78 % 20:11 after dusk
Sat, 08-Feb 17:05 17:40 dusk 06:18 06:51 07:26 86 % 21:11 after dusk
Sun, 09-Feb 17:07 17:42 dusk dawn 06:49 07:24 93 % 22:09 all night
Mon, 10-Feb 17:09 17:43 dusk dawn 06:47 07:22 97 % 23:03 all night
Tue, 11-Feb 17:10 17:45 dusk dawn 06:46 07:20 100 % 23:53 all night
Wed, 12-Feb 17:12 17:47 dusk dawn 06:44 07:19 100 % 00:39 all night
Thu, 13-Feb 17:14 17:49 18:22 dawn 06:42 07:17 98 % 01:22 before dawn
Fri, 14-Feb 17:16 17:50 19:35 dawn 06:40 07:15 94 % 02:03 before dawn
Sat, 15-Feb 17:18 17:52 20:46 dawn 06:39 07:13 89 % 02:42 before dawn
Sun, 16-Feb 17:19 17:54 21:56 dawn 06:37 07:11 83 % 03:22 before dawn
Mon, 17-Feb 17:21 17:55 23:07 dawn 06:35 07:09 75 % 04:03
Tue, 18-Feb 17:23 17:57 00:20 dawn 06:33 07:07 66 % 04:46
Wed, 19-Feb 17:25 17:59 01:34 dawn 06:31 07:05 57 % 05:32
Thu, 20-Feb 17:27 18:01 02:47 dawn 06:29 07:03 48 % 06:21
Fri, 21-Feb 17:28 18:02 03:56 dawn 06:27 07:01 38 % 07:14
Sat, 22-Feb 17:30 18:04 04:55 dawn 06:25 06:59 28 % 08:10
Sun, 23-Feb 17:32 18:06 05:41 dawn 06:23 06:57 20 % 09:07
Mon, 24-Feb 17:34 18:07 06:14 dawn 06:21 06:55 12 % 10:03
Tue, 25-Feb 17:36 18:09 06:19 06:53 6 % 10:58
Wed, 26-Feb 17:37 18:11 06:17 06:51 2 % 11:50
Thu, 27-Feb 17:39 18:13 06:15 06:48 0 %
Fri, 28-Feb 17:41 18:14 dusk 18:30 06:13 06:46 1 % 12:41
Sat, 01-Mar 17:43 18:16 dusk 19:59 06:11 06:44 6 % 13:31
Sun, 02-Mar 17:44 18:18 dusk 21:29 06:09 06:42 12 % 14:21
Mon, 03-Mar 17:46 18:19 dusk 23:00 06:07 06:40 21 % 15:13
Tue, 04-Mar 17:48 18:21 dusk 00:32 06:04 06:38 31 % 16:08
Wed, 05-Mar 17:50 18:23 dusk 02:00 06:02 06:35 42 % 17:05
Thu, 06-Mar 17:51 18:25 dusk 03:17 06:00 06:33 54 % 18:05
Fri, 07-Mar 17:53 18:26 dusk 04:17 05:58 06:31 64 % 19:05
Sat, 08-Mar 17:55 18:28 dusk 04:59 05:56 06:29 74 % 20:04
Sun, 09-Mar 17:56 18:30 dusk 05:27 05:54 06:27 83 % 20:59 after dusk
Mon, 10-Mar 17:58 18:31 dusk 05:47 05:51 06:24 90 % 21:50 after dusk
Tue, 11-Mar 18:00 18:33 dusk dawn 05:49 06:22 95 % 22:36 all night
Wed, 12-Mar 18:02 18:35 dusk dawn 05:47 06:20 98 % 23:19 all night
Thu, 13-Mar 18:03 18:36 dusk dawn 05:45 06:18 100 % 00:00 all night
Fri, 14-Mar 18:05 18:38 dusk dawn 05:42 06:15 100 % 00:40 all night
Sat, 15-Mar 18:07 18:40 19:42 dawn 05:40 06:13 97 % 01:19 before dawn
Sun, 16-Mar 18:08 18:42 20:53 dawn 05:38 06:11 93 % 02:00 before dawn
Mon, 17-Mar 18:10 18:43 22:05 dawn 05:36 06:09 88 % 02:42 before dawn
Tue, 18-Mar 18:12 18:45 23:18 dawn 05:33 06:06 81 % 03:26 before dawn
Wed, 19-Mar 18:13 18:47 00:32 dawn 05:31 06:04 73 % 04:14
Thu, 20-Mar 18:15 18:48 01:43 dawn 05:29 06:02 64 % 05:05
Fri, 21-Mar 18:17 18:50 02:45 dawn 05:26 06:00 55 % 05:58
Sat, 22-Mar 18:19 18:52 03:35 dawn 05:24 05:57 45 % 06:53
Sun, 23-Mar 18:20 18:54 04:12 dawn 05:22 05:55 35 % 07:48
Mon, 24-Mar 18:22 18:55 04:38 dawn 05:19 05:53 25 % 08:43
Tue, 25-Mar 18:24 18:57 04:58 dawn 05:17 05:50 16 % 09:35
Wed, 26-Mar 18:25 18:59 05:14 dawn 05:15 05:48 9 % 10:26
Thu, 27-Mar 18:27 19:00 05:12 05:46 3 % 11:16
Fri, 28-Mar 18:29 19:02 05:10 05:44 0 %
Sat, 29-Mar 18:30 19:04 06:08 06:41 0 % 12:07
Sun, 30-Mar 19:32 20:06 dusk 21:29 06:06 06:39 3 % 14:00
Mon, 31-Mar 19:34 20:07 dusk 23:04 06:03 06:37 9 % 14:55
Tue, 01-Apr 19:35 20:09 dusk 00:38 06:01 06:35 17 % 15:53
Wed, 02-Apr 19:37 20:11 dusk 02:03 05:59 06:32 27 % 16:55
Thu, 03-Apr 19:39 20:13 dusk 03:11 05:56 06:30 38 % 17:57
Fri, 04-Apr 19:40 20:14 dusk 04:00 05:54 06:28 49 % 18:58
Sat, 05-Apr 19:42 20:16 dusk 04:32 05:52 06:26 59 % 19:55
Sun, 06-Apr 19:44 20:18 dusk 04:54 05:49 06:24 69 % 20:47
Mon, 07-Apr 19:45 20:20 dusk 05:10 05:47 06:21 78 % 21:35 after dusk
Tue, 08-Apr 19:47 20:21 dusk 05:23 05:45 06:19 86 % 22:19 after dusk
Wed, 09-Apr 19:48 20:23 dusk 05:33 05:42 06:17 92 % 23:00 after dusk
Thu, 10-Apr 19:50 20:25 dusk dawn 05:40 06:15 96 % 23:39 all night
Fri, 11-Apr 19:52 20:27 dusk dawn 05:38 06:13 99 % 00:18 all night
Sat, 12-Apr 19:53 20:29 dusk dawn 05:35 06:10 100 % 00:58 all night
Sun, 13-Apr 19:55 20:30 20:52 dawn 05:33 06:08 99 % 01:40 before dawn
Mon, 14-Apr 19:57 20:32 22:06 dawn 05:31 06:06 97 % 02:23 before dawn
Tue, 15-Apr 19:58 20:34 23:19 dawn 05:29 06:04 92 % 03:10 before dawn
Wed, 16-Apr 20:00 20:36 00:31 dawn 05:26 06:02 87 % 03:59 before dawn
Thu, 17-Apr 20:02 20:38 01:36 dawn 05:24 06:00 79 % 04:52 before dawn
Fri, 18-Apr 20:03 20:39 02:30 dawn 05:22 05:58 71 % 05:45
Sat, 19-Apr 20:05 20:41 03:11 dawn 05:20 05:56 61 % 06:39
Sun, 20-Apr 20:07 20:43 03:40 dawn 05:17 05:54 51 % 07:32

Notes

  • The percentage of the moon which is illuminated doesn't vary much with location.
  • A full moon is not just bigger, it is much brighter. A quarter moon (1/2 disk visible) give less than 5% of the illumination of a full moon. You can walk with a quarter moon if its high in the sky (after dusk for a growing moon, before dawn for a shrinking moon).
  • Sky glow (light reflected by air or clouds) from nearby cities, and especially snow on the ground also effect light levels.
  • Times will vary a few minutes, as (i) these figures are for the centre of the county the walk is in, (ii) if there are hills on the horizon, and (iii) if you are on a hill
  • Of course, you need a cloudless night as well!

Surrey weather (Accuweather)

Now would be a good time for a cup of tea.