Sunrise and sunset times in Guyancourt
Check out today's and tomorrow's sunrise and sunset times in Guyancourt, Île-de-France, France, as well as the whole calendar for May 2026.
Today
May 15, 2026 . Current time: 12:08:29 am
First light at 5:32:03 am
Sunrise time: 6:08:09 am
Sunset time: 9:27:58 pm
Last light at 10:04:04 pm
Day length: 15 hours, 19 minutes
21 hours, 19 minutes left for today's sunset in Guyancourt
Moon will rise on May 15 at 02:55 AM
Moon will set on May 15 at 06:13 PMMoon phase: 🌘 Waning Crescent (5%)Tomorrow
May 16, 2026
First light at 5:30:35 am
Sunrise time: 6:06:51 am
Sunset time: 9:29:18 pm
Last light at 10:05:35 pm
Day length: 15 hours, 22 minutes
Tomorrow will be approximately 3 minutes longer than today in Guyancourt
Moon will rise on May 16 at 03:20 AM Moon will set on May 16 at 07:44 PMMoon phase: 🌑 New Moon (0%)
- Guyancourt, Île-de-France
- Latitude: 48.773338
- Longitude: 2.073930
- Time zone: UTC+2 CEST
Shortest day in Guyancourt, Île-de-France
The shortest day of the year will be in around 8 months, during the winter solstice on December 21, 2026, with a daylight length of 8 hours and 19 minutes.Longest day in Guyancourt, Île-de-France
The longest day of the year will be in 1 month and 6 days, during the summer solstice on June 21, 2026, with a daylight length of 16 hours and 14 minutes.
May 2026 - Guyancourt, Île-de-France - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of May in Guyancourt.
The day length increases by 1 hour, 16 minutes over the course of May 2026 in Guyancourt, Île-de-France - from 14 hours, 38 minutes on the first day to 15 hours, 55 minutes on the last day.
| Day | Twilight Start | Sunrise | Sunset | Twilight End | Day Length | Day Length Variation | Solar Noon
Time of day when the sun reaches its highest point in the sky.
|
Max Sun Altitude | Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Night Length
Calculated form this day's sunset to the next day's sunrise.
|
Moon phase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, May 1 | 5:55:42 am | 6:29:25 am | 9:08:11 pm | 9:41:54 pm | 14h 38m 46s | 14h 38m 46s | 1:48:48 pm | 63.9° | 5:10:46 am | 10:26:51 pm | 4:18:07 am | 11:19:29 pm | 9h 19m 33s | 🌔 (99%) |
| Sat, May 2 | 5:53:52 am | 6:27:44 am | 9:09:38 pm | 9:43:31 pm | 14h 41m 54s | 3m 8s | 1:48:41 pm | 64.2° | 5:08:36 am | 10:28:47 pm | 4:15:18 am | 11:22:05 pm | 9h 16m 26s | 🌕 (100%) |
| Sun, May 3 | 5:52:02 am | 6:26:04 am | 9:11:06 pm | 9:45:08 pm | 14h 45m 2s | 3m 8s | 1:48:35 pm | 64.5° | 5:06:27 am | 10:30:43 pm | 4:12:28 am | 11:24:42 pm | 9h 13m 20s | 🌖 (99%) |
| Mon, May 4 | 5:50:14 am | 6:24:26 am | 9:12:33 pm | 9:46:45 pm | 14h 48m 7s | 3m 5s | 1:48:29 pm | 64.8° | 5:04:19 am | 10:32:40 pm | 4:09:38 am | 11:27:20 pm | 9h 10m 16s | 🌖 (96%) |
| Tue, May 5 | 5:48:27 am | 6:22:49 am | 9:13:59 pm | 9:48:21 pm | 14h 51m 10s | 3m 3s | 1:48:24 pm | 65.1° | 5:02:12 am | 10:34:36 pm | 4:06:48 am | 11:30:01 pm | 9h 7m 15s | 🌖 (91%) |
| Wed, May 6 | 5:46:42 am | 6:21:14 am | 9:15:26 pm | 9:49:57 pm | 14h 54m 12s | 3m 2s | 1:48:20 pm | 65.4° | 5:00:06 am | 10:36:33 pm | 4:03:57 am | 11:32:42 pm | 9h 4m 14s | 🌖 (85%) |
| Thu, May 7 | 5:44:58 am | 6:19:40 am | 9:16:51 pm | 9:51:33 pm | 14h 57m 11s | 2m 59s | 1:48:16 pm | 65.7° | 4:58:01 am | 10:38:30 pm | 4:01:05 am | 11:35:26 pm | 9h 1m 16s | 🌖 (77%) |
| Fri, May 8 | 5:43:15 am | 6:18:07 am | 9:18:17 pm | 9:53:09 pm | 15h 0m 10s | 2m 59s | 1:48:12 pm | 65.9° | 4:55:58 am | 10:40:27 pm | 3:58:13 am | 11:38:11 pm | 8h 58m 20s | 🌖 (69%) |
| Sat, May 9 | 5:41:34 am | 6:16:37 am | 9:19:42 pm | 9:54:44 pm | 15h 3m 5s | 2m 55s | 1:48:09 pm | 66.2° | 4:53:55 am | 10:42:23 pm | 3:55:21 am | 11:40:57 pm | 8h 55m 26s | 🌖 (60%) |
| Sun, May 10 | 5:39:55 am | 6:15:08 am | 9:21:06 pm | 9:56:19 pm | 15h 5m 58s | 2m 53s | 1:48:07 pm | 66.5° | 4:51:54 am | 10:44:20 pm | 3:52:28 am | 11:43:46 pm | 8h 52m 34s | 🌗 (50%) |
| Mon, May 11 | 5:38:17 am | 6:13:40 am | 9:22:30 pm | 9:57:53 pm | 15h 8m 50s | 2m 52s | 1:48:05 pm | 66.7° | 4:49:54 am | 10:46:16 pm | 3:49:35 am | 11:46:35 pm | 8h 49m 45s | 🌘 (40%) |
| Tue, May 12 | 5:36:41 am | 6:12:15 am | 9:23:53 pm | 9:59:27 pm | 15h 11m 38s | 2m 48s | 1:48:04 pm | 67° | 4:47:56 am | 10:48:12 pm | 3:46:41 am | 11:49:27 pm | 8h 46m 58s | 🌘 (30%) |
| Wed, May 13 | 5:35:07 am | 6:10:51 am | 9:25:15 pm | 10:01:00 pm | 15h 14m 24s | 2m 46s | 1:48:03 pm | 67.2° | 4:45:59 am | 10:50:08 pm | 3:43:47 am | 11:52:20 pm | 8h 44m 14s | 🌘 (20%) |
| Thu, May 14 | 5:33:34 am | 6:09:29 am | 9:26:37 pm | 10:02:32 pm | 15h 17m 8s | 2m 44s | 1:48:03 pm | 67.5° | 4:44:04 am | 10:52:03 pm | 3:40:52 am | 11:55:15 pm | 8h 41m 32s | 🌘 (12%) |
| Fri, May 15 | 5:32:03 am | 6:08:09 am | 9:27:58 pm | 10:04:04 pm | 15h 19m 49s | 2m 41s | 1:48:04 pm | 67.7° | 4:42:10 am | 10:53:57 pm | 3:37:57 am | 11:58:11 pm | 8h 38m 53s | 🌘 (5%) |
| Sat, May 16 | 5:30:35 am | 6:06:51 am | 9:29:18 pm | 10:05:35 pm | 15h 22m 27s | 2m 38s | 1:48:05 pm | 67.9° | 4:40:18 am | 10:55:52 pm | 3:35:01 am | 12:01:09 am | 8h 36m 17s | 🌘 (1%) |
| Sun, May 17 | 5:29:08 am | 6:05:35 am | 9:30:38 pm | 10:07:05 pm | 15h 25m 3s | 2m 36s | 1:48:07 pm | 68.2° | 4:38:28 am | 10:57:45 pm | 3:32:05 am | 12:04:08 am | 8h 33m 43s | 🌑 (0%) |
| Mon, May 18 | 5:27:43 am | 6:04:21 am | 9:31:56 pm | 10:08:34 pm | 15h 27m 35s | 2m 32s | 1:48:09 pm | 68.4° | 4:36:40 am | 10:59:38 pm | 3:29:08 am | 12:07:10 am | 8h 31m 13s | 🌒 (2%) |
| Tue, May 19 | 5:26:21 am | 6:03:09 am | 9:33:14 pm | 10:10:02 pm | 15h 30m 5s | 2m 30s | 1:48:12 pm | 68.6° | 4:34:54 am | 11:01:29 pm | 3:26:10 am | 12:10:13 am | 8h 28m 46s | 🌒 (7%) |
| Wed, May 20 | 5:25:00 am | 6:02:00 am | 9:34:30 pm | 10:11:29 pm | 15h 32m 30s | 2m 25s | 1:48:15 pm | 68.8° | 4:33:10 am | 11:03:20 pm | 3:23:12 am | 12:13:17 am | 8h 26m 22s | 🌒 (14%) |
| Thu, May 21 | 5:23:42 am | 6:00:52 am | 9:35:46 pm | 10:12:55 pm | 15h 34m 54s | 2m 24s | 1:48:19 pm | 69° | 4:31:28 am | 11:05:10 pm | 3:20:14 am | 12:16:24 am | 8h 24m 0s | 🌒 (23%) |
| Fri, May 22 | 5:22:26 am | 5:59:46 am | 9:37:00 pm | 10:14:20 pm | 15h 37m 14s | 2m 20s | 1:48:23 pm | 69.2° | 4:29:48 am | 11:06:58 pm | 3:17:14 am | 12:19:32 am | 8h 21m 43s | 🌒 (33%) |
| Sat, May 23 | 5:21:13 am | 5:58:43 am | 9:38:13 pm | 10:15:43 pm | 15h 39m 30s | 2m 16s | 1:48:28 pm | 69.4° | 4:28:11 am | 11:08:45 pm | 3:14:15 am | 12:22:41 am | 8h 19m 29s | 🌓 (44%) |
| Sun, May 24 | 5:20:01 am | 5:57:42 am | 9:39:25 pm | 10:17:05 pm | 15h 41m 43s | 2m 13s | 1:48:33 pm | 69.6° | 4:26:36 am | 11:10:31 pm | 3:11:14 am | 12:25:53 am | 8h 17m 18s | 🌓 (55%) |
| Mon, May 25 | 5:18:52 am | 5:56:43 am | 9:40:35 pm | 10:18:26 pm | 15h 43m 52s | 2m 9s | 1:48:39 pm | 69.8° | 4:25:04 am | 11:12:15 pm | 3:08:12 am | 12:29:06 am | 8h 15m 12s | 🌔 (65%) |
| Tue, May 26 | 5:17:46 am | 5:55:47 am | 9:41:44 pm | 10:19:45 pm | 15h 45m 57s | 2m 5s | 1:48:46 pm | 69.9° | 4:23:34 am | 11:13:57 pm | 3:05:10 am | 12:32:21 am | 8h 13m 9s | 🌔 (74%) |
| Wed, May 27 | 5:16:42 am | 5:54:53 am | 9:42:52 pm | 10:21:03 pm | 15h 47m 59s | 2m 2s | 1:48:53 pm | 70.1° | 4:22:07 am | 11:15:38 pm | 3:02:07 am | 12:35:38 am | 8h 11m 9s | 🌔 (83%) |
| Thu, May 28 | 5:15:41 am | 5:54:01 am | 9:43:58 pm | 10:22:19 pm | 15h 49m 57s | 1m 58s | 1:49:00 pm | 70.3° | 4:20:43 am | 11:17:17 pm | 2:59:02 am | 12:38:58 am | 8h 9m 14s | 🌔 (89%) |
| Fri, May 29 | 5:14:43 am | 5:53:12 am | 9:45:03 pm | 10:23:33 pm | 15h 51m 51s | 1m 54s | 1:49:08 pm | 70.4° | 4:19:22 am | 11:18:54 pm | 2:55:57 am | 12:42:19 am | 8h 7m 23s | 🌔 (95%) |
| Sat, May 30 | 5:13:47 am | 5:52:26 am | 9:46:06 pm | 10:24:45 pm | 15h 53m 40s | 1m 49s | 1:49:16 pm | 70.6° | 4:18:04 am | 11:20:28 pm | 2:52:50 am | 12:45:42 am | 8h 5m 36s | 🌔 (98%) |
| Sun, May 31 | 5:12:54 am | 5:51:42 am | 9:47:08 pm | 10:25:55 pm | 15h 55m 26s | 1m 46s | 1:49:25 pm | 70.7° | 4:16:49 am | 11:22:00 pm | 2:49:42 am | 12:49:08 am | 8h 3m 52s | 🌕 (100%) |
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Sunrise and Sunset photos in Guyancourt, Île-de-France
Enjoy this beautiful gallery of images of the sunset and sunrise at Guyancourt, Île-de-France. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Guyancourt, Île-de-France - 2026
The followin graph shows sunrise and sunset times in Guyancourt, Île-de-France for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Guyancourt, Île-de-France.