Petts Wood Circular walk

Easy and pleasant walk through woodlands nestled in the middle of London's South-Eastern suburbs

Hiking Weather

7 Day Forecast for London

Sunset: 17:51. Dusk: 18:26. Moon: 29% (02:07 to dawn)

8 9 10 11 12 13 14 15 16 17 18 19 20
Wed, 23-Oct 0% 0% 0% 0% 0% 0% 0% 0% 0% 11% 30% 35% 36%
Thu, 24-Oct 50% 26% 17% 57% 70% 70% 73% 71% 65% 51% 30% 9% 0%
Fri, 25-Oct 5% 9% 16% 28% 36% 35% 36% 36% 40% 38% 33% 35% 39%
Sat, 26-Oct 17% 8% 0% 0% 0% 0% 0% 0% 0% 3% 4% 5% 4%
Sun, 27-Oct 0% 3% 3% 2% 0% 0% 0% 0% 0% 0% 3% 0% 0%
Mon, 28-Oct 19% 18% 22% 27% 28% 27% 23% 20% 17% 12% 10% 0% 0%
Tue, 29-Oct 11% 13% 12% 12% 9% 8% 0% 0% 6% 7% 6% 5% 0%
Wed, 30-Oct

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Met Office Forecast

South East England

Early fog clearing to a mostly fine day. Rain later.

Today:

A rather misty and foggy start for some, but gradually clearing through the morning. A largely dry day follows, with some sunny spells possible, but also increasing amounts of cloud. Outbreaks of rain likely spreading north later in the day. Maximum Temperature 14C.

Tonight:

Evening rain clearing north, but staying rather cloudy and misty overnight. Some fog patches likely, especially across the hills. Further outbreaks of rain possible by dawn. Minimum Temperature 10C.

Thursday:

Early fog lifting through the morning, as outbreaks of rain spread north. These clearing east during the afternoon, with brighter spells following, but likely lingering across Kent until after dark. Maximum Temperature 15C.

Outlook for Friday to Sunday:

Cloudy, windy but likely dry Friday, before rain spreads east later, occasionally heavy. Rain clearing through Saturday, but also turning colder with winds easing. Frosty start Sunday, then sunny.

Day 6-7 and Week 2:

After a wet start to the weekend, Sunday will be drier and cooler with sunny spells for most of the UK. Scattered showers will continue in the north with some turning heavy at times. Into next week, it is likely we will see some dry spells with plenty of sunshine across all areas. It may also be windy, with severe gales possible in places. Northern areas may see some colder outbreaks leading to overnight frosts and some showers may turn wintry over the hills. However, in the south it may be milder overall. Moving into November, it is possible that drier, more settled spells will continue with temperatures near or a little below average with night frosts at times.

Week 3 and 4:

The first half of November should be mostly settled and dry for the majority of the UK with plenty of sunny spells. Although there is significant uncertainty for this period, any rain or showers are most likely to be in southern and southwestern areas. It seems probable that temperatures will be a little below average with the potential of frosts and fog patches forming overnight. Despite the mainly settled outlook, more changeable periods of rain or showers may be possible too.

Met Office : South East England : 2019-10-23T02:08:44

Daylight : London

Date Dawn Sunrise Sunset Dusk Day Length
Wed, 23-Oct 07:03 07:38 17:51 18:26 11:23
Thu, 24-Oct 07:05 07:39 17:49 18:24 11:19
Fri, 25-Oct 07:07 07:41 17:47 18:22 11:15
Sat, 26-Oct 07:08 07:43 17:45 18:20 11:12
Sun, 27-Oct 06:10 06:45 16:43 17:18 11:08
Mon, 28-Oct 06:12 06:46 16:42 17:16 11:04
Tue, 29-Oct 06:13 06:48 16:40 17:14 11:01
Wed, 30-Oct 06:15 06:50 16:38 17:13 10:58
Thu, 31-Oct 06:17 06:52 16:36 17:11 10:54
Fri, 01-Nov 06:18 06:53 16:34 17:09 10:51
Sat, 02-Nov 06:20 06:55 16:32 17:08 10:48
Sun, 03-Nov 06:21 06:57 16:31 17:06 10:45
Mon, 04-Nov 06:23 06:59 16:29 17:04 10:41
Tue, 05-Nov 06:25 07:00 16:27 17:03 10:38
Wed, 06-Nov 06:26 07:02 16:25 17:01 10:35
Thu, 07-Nov 06:28 07:04 16:24 17:00 10:32
Fri, 08-Nov 06:30 07:06 16:22 16:58 10:28
Sat, 09-Nov 06:31 07:07 16:20 16:57 10:26
Sun, 10-Nov 06:33 07:09 16:19 16:55 10:22
Mon, 11-Nov 06:35 07:11 16:17 16:54 10:19
Tue, 12-Nov 06:36 07:13 16:16 16:52 10:16
Wed, 13-Nov 06:38 07:14 16:14 16:51 10:13
Thu, 14-Nov 06:39 07:16 16:13 16:50 10:11
Fri, 15-Nov 06:41 07:18 16:12 16:49 10:08
Sat, 16-Nov 06:43 07:20 16:10 16:47 10:04
Sun, 17-Nov 06:44 07:21 16:09 16:46 10:02
Mon, 18-Nov 06:46 07:23 16:08 16:45 9:59
Tue, 19-Nov 06:47 07:25 16:06 16:44 9:57
Wed, 20-Nov 06:49 07:26 16:05 16:43 9:54
Thu, 21-Nov 06:50 07:28 16:04 16:42 9:52
Fri, 22-Nov 06:52 07:30 16:03 16:41 9:49
Sat, 23-Nov 06:53 07:31 16:02 16:40 9:47
Sun, 24-Nov 06:55 07:33 16:01 16:39 9:44
Mon, 25-Nov 06:56 07:34 16:00 16:38 9:42
Tue, 26-Nov 06:58 07:36 15:59 16:37 9:39
Wed, 27-Nov 06:59 07:37 15:58 16:37 9:38
Thu, 28-Nov 07:00 07:39 15:57 16:36 9:36
Fri, 29-Nov 07:02 07:40 15:57 16:35 9:33
Sat, 30-Nov 07:03 07:42 15:56 16:35 9:32
Sun, 01-Dec 07:04 07:43 15:55 16:34 9:30
Mon, 02-Dec 07:06 07:45 15:55 16:34 9:28
Tue, 03-Dec 07:07 07:46 15:54 16:33 9:26
Wed, 04-Dec 07:08 07:47 15:54 16:33 9:25
Thu, 05-Dec 07:09 07:49 15:53 16:32 9:23
Fri, 06-Dec 07:10 07:50 15:53 16:32 9:22
Sat, 07-Dec 07:11 07:51 15:52 16:32 9:21
Sun, 08-Dec 07:13 07:52 15:52 16:32 9:19
Mon, 09-Dec 07:14 07:53 15:52 16:32 9:18
Tue, 10-Dec 07:15 07:55 15:52 16:31 9:16
Wed, 11-Dec 07:16 07:56 15:51 16:31 9:15
Thu, 12-Dec 07:17 07:57 15:51 16:31 9:14
Fri, 13-Dec 07:17 07:58 15:51 16:31 9:14
Sat, 14-Dec 07:18 07:58 15:51 16:31 9:13
Sun, 15-Dec 07:19 07:59 15:52 16:32 9:13
Mon, 16-Dec 07:20 08:00 15:52 16:32 9:12
Tue, 17-Dec 07:21 08:01 15:52 16:32 9:11
Wed, 18-Dec 07:21 08:02 15:52 16:32 9:11
Thu, 19-Dec 07:22 08:02 15:52 16:33 9:11
Fri, 20-Dec 07:23 08:03 15:53 16:33 9:10
Sat, 21-Dec 07:23 08:04 15:53 16:34 9:11
Sun, 22-Dec 07:24 08:04 15:54 16:34 9:10
Mon, 23-Dec 07:24 08:04 15:54 16:35 9:11
Tue, 24-Dec 07:25 08:05 15:55 16:35 9:10
Wed, 25-Dec 07:25 08:05 15:56 16:36 9:11
Thu, 26-Dec 07:25 08:06 15:56 16:37 9:12
Fri, 27-Dec 07:26 08:06 15:57 16:37 9:11
Sat, 28-Dec 07:26 08:06 15:58 16:38 9:12
Sun, 29-Dec 07:26 08:06 15:59 16:39 9:13
Mon, 30-Dec 07:26 08:06 16:00 16:40 9:14
Tue, 31-Dec 07:26 08:06 16:01 16:41 9:15
Wed, 01-Jan 07:26 08:06 16:02 16:42 9:16
Thu, 02-Jan 07:26 08:06 16:03 16:43 9:17
Fri, 03-Jan 07:26 08:06 16:04 16:44 9:18
Sat, 04-Jan 07:26 08:06 16:05 16:45 9:19
Sun, 05-Jan 07:26 08:05 16:06 16:46 9:20
Mon, 06-Jan 07:26 08:05 16:07 16:47 9:21
Tue, 07-Jan 07:25 08:05 16:09 16:48 9:23
Wed, 08-Jan 07:25 08:04 16:10 16:49 9:24
Thu, 09-Jan 07:25 08:04 16:11 16:51 9:26
Fri, 10-Jan 07:24 08:03 16:13 16:52 9:28
Sat, 11-Jan 07:24 08:03 16:14 16:53 9:29
Sun, 12-Jan 07:23 08:02 16:15 16:54 9:31
Mon, 13-Jan 07:23 08:01 16:17 16:56 9:33
Tue, 14-Jan 07:22 08:01 16:18 16:57 9:35
Wed, 15-Jan 07:21 08:00 16:20 16:59 9:38
Thu, 16-Jan 07:21 07:59 16:22 17:00 9:39
Fri, 17-Jan 07:20 07:58 16:23 17:01 9:41
Sat, 18-Jan 07:19 07:57 16:25 17:03 9:44
Sun, 19-Jan 07:18 07:56 16:26 17:04 9:46
Mon, 20-Jan 07:17 07:55 16:28 17:06 9:49
Tue, 21-Jan 07:16 07:54 16:30 17:07 9:51
Wed, 22-Jan 07:15 07:53 16:31 17:09 9:54
Thu, 23-Jan 07:14 07:52 16:33 17:11 9:57
Fri, 24-Jan 07:13 07:51 16:35 17:12 9:59
Sat, 25-Jan 07:12 07:49 16:37 17:14 10:02
Sun, 26-Jan 07:11 07:48 16:38 17:15 10:04
Mon, 27-Jan 07:10 07:47 16:40 17:17 10:07
Tue, 28-Jan 07:09 07:46 16:42 17:19 10:10
Wed, 29-Jan 07:07 07:44 16:44 17:20 10:13
Thu, 30-Jan 07:06 07:43 16:45 17:22 10:16
Fri, 31-Jan 07:05 07:41 16:47 17:24 10:19
Sat, 01-Feb 07:03 07:40 16:49 17:25 10:22
Sun, 02-Feb 07:02 07:38 16:51 17:27 10:25
Mon, 03-Feb 07:01 07:37 16:53 17:29 10:28
Tue, 04-Feb 06:59 07:35 16:54 17:30 10:31
Wed, 05-Feb 06:58 07:33 16:56 17:32 10:34
Thu, 06-Feb 06:56 07:32 16:58 17:34 10:38
Fri, 07-Feb 06:55 07:30 17:00 17:35 10:40
Sat, 08-Feb 06:53 07:28 17:02 17:37 10:44
Sun, 09-Feb 06:51 07:27 17:04 17:39 10:48
Mon, 10-Feb 06:50 07:25 17:05 17:41 10:51
Tue, 11-Feb 06:48 07:23 17:07 17:42 10:54
Wed, 12-Feb 06:46 07:21 17:09 17:44 10:58
Thu, 13-Feb 06:45 07:19 17:11 17:46 11:01
Fri, 14-Feb 06:43 07:17 17:13 17:47 11:04
Sat, 15-Feb 06:41 07:15 17:15 17:49 11:08
Sun, 16-Feb 06:39 07:14 17:16 17:51 11:12
Mon, 17-Feb 06:37 07:12 17:18 17:53 11:16
Tue, 18-Feb 06:35 07:10 17:20 17:54 11:19
Wed, 19-Feb 06:34 07:08 17:22 17:56 11:22

Data: US Navy Observatory

Moonlight : London

Date Sunset Dusk Moon Rise Moon Set Dawn Sunrise % Full Max. Ht. Night Walk
Wed, 23-Oct 17:51 18:26 02:07 dawn 07:05 07:39 29% 09:36
Thu, 24-Oct 17:49 18:24 03:31 dawn 07:07 07:41 19% 10:29
Fri, 25-Oct 17:47 18:22 04:56 dawn 07:08 07:43 11% 11:23
Sat, 26-Oct 17:45 18:20 05:21 dawn 06:10 06:45 4% 11:16
Sun, 27-Oct 16:43 17:18 06:12 06:46 1%
Mon, 28-Oct 16:42 17:16 dusk 17:19 06:13 06:48 0% 12:09
Tue, 29-Oct 16:40 17:14 dusk 17:47 06:15 06:50 3% 13:03
Wed, 30-Oct 16:38 17:13 dusk 18:19 06:17 06:52 7% 13:58
Thu, 31-Oct 16:36 17:11 dusk 18:59 06:18 06:53 14% 14:54
Fri, 01-Nov 16:34 17:09 dusk 19:48 06:20 06:55 22% 15:49
Sat, 02-Nov 16:32 17:08 dusk 20:44 06:21 06:57 31% 16:43
Sun, 03-Nov 16:31 17:06 dusk 21:46 06:23 06:59 41% 17:34
Mon, 04-Nov 16:29 17:04 dusk 22:51 06:25 07:00 50% 18:22
Tue, 05-Nov 16:27 17:03 dusk 23:57 06:26 07:02 60% 19:08
Wed, 06-Nov 16:25 17:01 dusk 01:04 06:28 07:04 69% 19:51
Thu, 07-Nov 16:24 17:00 dusk 02:10 06:30 07:06 78% 20:33 after dusk
Fri, 08-Nov 16:22 16:58 dusk 03:16 06:31 07:07 85% 21:15 after dusk
Sat, 09-Nov 16:20 16:57 dusk 04:23 06:33 07:09 91% 21:56 after dusk
Sun, 10-Nov 16:19 16:55 dusk 05:32 06:35 07:11 96% 22:38 after dusk
Mon, 11-Nov 16:17 16:54 dusk dawn 06:36 07:13 99% 23:23 all night
Tue, 12-Nov 16:16 16:52 dusk dawn 06:38 07:14 100% 00:09 all night
Wed, 13-Nov 16:14 16:51 17:06 dawn 06:39 07:16 99% 00:59 before dawn
Thu, 14-Nov 16:13 16:50 17:39 dawn 06:41 07:18 96% 01:51 before dawn
Fri, 15-Nov 16:12 16:49 18:21 dawn 06:43 07:20 91% 02:46 before dawn
Sat, 16-Nov 16:10 16:47 19:15 dawn 06:44 07:21 84% 03:43 before dawn
Sun, 17-Nov 16:09 16:46 20:19 dawn 06:46 07:23 75% 04:39 before dawn
Mon, 18-Nov 16:08 16:45 21:32 dawn 06:47 07:25 65% 05:35
Tue, 19-Nov 16:06 16:44 22:51 dawn 06:49 07:26 50% 06:29
Wed, 20-Nov 16:05 16:43 00:12 dawn 06:50 07:28 43% 07:22
Thu, 21-Nov 16:04 16:42 01:34 dawn 06:52 07:30 32% 08:13
Fri, 22-Nov 16:03 16:41 02:56 dawn 06:53 07:31 22% 09:04
Sat, 23-Nov 16:02 16:40 04:18 dawn 06:55 07:33 13% 09:56
Sun, 24-Nov 16:01 16:39 05:41 dawn 06:56 07:34 6% 10:48
Mon, 25-Nov 16:00 16:38 06:58 07:36 2%
Tue, 26-Nov 15:59 16:37 06:59 07:37 0%
Wed, 27-Nov 15:58 16:37 dusk 16:50 07:00 07:39 1% 12:38
Thu, 28-Nov 15:57 16:36 dusk 17:34 07:02 07:40 4% 13:34
Fri, 29-Nov 15:57 16:35 dusk 18:28 07:03 07:42 10% 14:30
Sat, 30-Nov 15:56 16:35 dusk 19:28 07:04 07:43 16% 15:23
Sun, 01-Dec 15:55 16:34 dusk 20:34 07:06 07:45 25% 16:14
Mon, 02-Dec 15:55 16:34 dusk 21:41 07:07 07:46 33% 17:02
Tue, 03-Dec 15:54 16:33 dusk 22:48 07:08 07:47 43% 17:46
Wed, 04-Dec 15:54 16:33 dusk 23:55 07:09 07:49 50% 18:29
Thu, 05-Dec 15:53 16:32 dusk 01:01 07:10 07:50 61% 19:11
Fri, 06-Dec 15:53 16:32 dusk 02:07 07:11 07:51 70% 19:52
Sat, 07-Dec 15:52 16:32 dusk 03:15 07:13 07:52 79% 20:33 after dusk
Sun, 08-Dec 15:52 16:32 dusk 04:24 07:14 07:53 86% 21:16 after dusk
Mon, 09-Dec 15:52 16:32 dusk 05:35 07:15 07:55 92% 22:02 after dusk
Tue, 10-Dec 15:52 16:31 dusk 06:48 07:16 07:56 97% 22:50 after dusk
Wed, 11-Dec 15:51 16:31 dusk dawn 07:17 07:57 99% 23:43 all night
Thu, 12-Dec 15:51 16:31 dusk dawn 07:17 07:58 100% 00:38 all night
Fri, 13-Dec 15:51 16:31 17:06 dawn 07:18 07:58 98% 01:35 before dawn
Sat, 14-Dec 15:51 16:31 18:08 dawn 07:19 07:59 94% 02:34 before dawn
Sun, 15-Dec 15:52 16:32 19:21 dawn 07:20 08:00 87% 03:31 before dawn
Mon, 16-Dec 15:52 16:32 20:39 dawn 07:21 08:01 79% 04:26 before dawn
Tue, 17-Dec 15:52 16:32 22:00 dawn 07:21 08:02 69% 05:19
Wed, 18-Dec 15:52 16:32 23:21 dawn 07:22 08:02 58% 06:10
Thu, 19-Dec 15:52 16:33 00:41 dawn 07:23 08:03 50% 07:00
Fri, 20-Dec 15:53 16:33 02:01 dawn 07:23 08:04 36% 07:50
Sat, 21-Dec 15:53 16:34 03:21 dawn 07:24 08:04 25% 08:40
Sun, 22-Dec 15:54 16:34 04:41 dawn 07:24 08:04 16% 09:32
Mon, 23-Dec 15:54 16:35 05:59 dawn 07:25 08:05 9% 10:26
Tue, 24-Dec 15:55 16:35 07:13 dawn 07:25 08:05 3% 11:21
Wed, 25-Dec 15:56 16:36 07:25 08:06 1%
Thu, 26-Dec 15:56 16:37 07:26 08:06 0%
Fri, 27-Dec 15:57 16:37 dusk 17:11 07:26 08:06 2% 13:11
Sat, 28-Dec 15:58 16:38 dusk 18:16 07:26 08:06 6% 14:04
Sun, 29-Dec 15:59 16:39 dusk 19:23 07:26 08:06 11% 14:53
Mon, 30-Dec 16:00 16:40 dusk 20:31 07:26 08:06 18% 15:40
Tue, 31-Dec 16:01 16:41 dusk 21:39 07:26 08:06 26% 16:24
Wed, 01-Jan 16:02 16:42 dusk 22:45 07:26 08:06 34% 17:06
Thu, 02-Jan 16:03 16:43 dusk 23:51 07:26 08:06 44% 17:47
Fri, 03-Jan 16:04 16:44 dusk 00:57 07:26 08:06 50% 18:27
Sat, 04-Jan 16:05 16:45 dusk 02:05 07:26 08:05 62% 19:09
Sun, 05-Jan 16:06 16:46 dusk 03:14 07:26 08:05 72% 19:53
Mon, 06-Jan 16:07 16:47 dusk 04:26 07:25 08:05 80% 20:39 after dusk
Tue, 07-Jan 16:09 16:48 dusk 05:38 07:25 08:04 88% 21:30 after dusk
Wed, 08-Jan 16:10 16:49 dusk 06:48 07:25 08:04 94% 22:24 after dusk
Thu, 09-Jan 16:11 16:51 dusk dawn 07:24 08:03 98% 23:21 all night
Fri, 10-Jan 16:13 16:52 dusk dawn 07:24 08:03 100% 00:21 all night
Sat, 11-Jan 16:14 16:53 17:02 dawn 07:23 08:02 99% 01:20 before dawn
Sun, 12-Jan 16:15 16:54 18:21 dawn 07:23 08:01 96% 02:18 before dawn
Mon, 13-Jan 16:17 16:56 19:44 dawn 07:22 08:01 90% 03:14 before dawn
Tue, 14-Jan 16:18 16:57 21:07 dawn 07:21 08:00 82% 04:07 before dawn
Wed, 15-Jan 16:20 16:59 22:29 dawn 07:21 07:59 73% 04:58
Thu, 16-Jan 16:22 17:00 23:50 dawn 07:20 07:58 62% 05:47
Fri, 17-Jan 16:23 17:01 01:10 dawn 07:19 07:57 50% 06:37
Sat, 18-Jan 16:25 17:03 02:29 dawn 07:18 07:56 39% 07:28
Sun, 19-Jan 16:26 17:04 03:46 dawn 07:17 07:55 29% 08:20
Mon, 20-Jan 16:28 17:06 05:00 dawn 07:16 07:54 20% 09:13
Tue, 21-Jan 16:30 17:07 06:07 dawn 07:15 07:53 12% 10:08
Wed, 22-Jan 16:31 17:09 07:05 dawn 07:14 07:52 6% 11:02
Thu, 23-Jan 16:33 17:11 07:13 07:51 2%
Fri, 24-Jan 16:35 17:12 07:12 07:49 0%
Sat, 25-Jan 16:37 17:14 07:11 07:48 0%
Sun, 26-Jan 16:38 17:15 dusk 18:16 07:10 07:47 3% 13:33
Mon, 27-Jan 16:40 17:17 dusk 19:24 07:09 07:46 7% 14:18
Tue, 28-Jan 16:42 17:19 dusk 20:31 07:07 07:44 12% 15:01
Wed, 29-Jan 16:44 17:20 dusk 21:37 07:06 07:43 19% 15:42
Thu, 30-Jan 16:45 17:22 dusk 22:43 07:05 07:41 27% 16:23
Fri, 31-Jan 16:47 17:24 dusk 23:49 07:03 07:40 35% 17:04
Sat, 01-Feb 16:49 17:25 dusk 00:57 07:02 07:38 45% 17:46
Sun, 02-Feb 16:51 17:27 dusk 02:06 07:01 07:37 50% 18:30
Mon, 03-Feb 16:53 17:29 dusk 03:16 06:59 07:35 64% 19:17
Tue, 04-Feb 16:54 17:30 dusk 04:26 06:58 07:33 73% 20:09
Wed, 05-Feb 16:56 17:32 dusk 05:32 06:56 07:32 82% 21:03 after dusk
Thu, 06-Feb 16:58 17:34 dusk 06:30 06:55 07:30 90% 22:02 after dusk
Fri, 07-Feb 17:00 17:35 dusk dawn 06:53 07:28 95% 23:02 all night
Sat, 08-Feb 17:02 17:37 dusk dawn 06:51 07:27 99% 00:01 all night
Sun, 09-Feb 17:04 17:39 dusk dawn 06:50 07:25 100% 01:00 all night
Mon, 10-Feb 17:05 17:41 18:42 dawn 06:48 07:23 98% 01:56 before dawn
Tue, 11-Feb 17:07 17:42 20:08 dawn 06:46 07:21 93% 02:49 before dawn
Wed, 12-Feb 17:09 17:44 21:33 dawn 06:45 07:19 86% 03:42 before dawn
Thu, 13-Feb 17:11 17:46 22:56 dawn 06:43 07:17 76% 04:33 before dawn
Fri, 14-Feb 17:13 17:47 00:17 dawn 06:41 07:15 66% 05:24
Sat, 15-Feb 17:15 17:49 01:36 dawn 06:39 07:14 50% 06:17
Sun, 16-Feb 17:16 17:51 02:52 dawn 06:37 07:12 44% 07:10
Mon, 17-Feb 17:18 17:53 04:01 dawn 06:35 07:10 33% 08:04
Tue, 18-Feb 17:20 17:54 05:01 dawn 06:34 07:08 24% 08:57
Wed, 19-Feb 17:22 17:56 05:50 dawn 06:32 07:06 16% 09:50

Notes

  • The moon's phase or fracillum (percentage of the moon illuminated) doesn't vary much with location.
  • A full moon is not just bigger, its much brighter. A half moon ('50%') give less than 5% of the illumination of a full moon. You can walk with a half 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, and, (ii) if there are hills on the horizon.
  • Of course, you need a cloudless night as well!
  • Data: US Navy Observatory