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 July 2026.
Today
July 15, 2026 . Current time: 7:15:31 am
First light at 5:24:39 am
Sunrise time: 6:02:58 am
Sunset time: 9:52:28 pm
Last light at 10:30:46 pm
Day length: 15 hours, 49 minutes
14 hours, 36 minutes left for today's sunset in Guyancourt
Moon rose on Jul 15 at 5:01 AM
Moon will set on Jul 15 at 8:50 PMMoon phase: 🌒 Waxing Crescent (1%)🌕 Full moon: Jul 29 at 4:37 PM · 🌑 New moon: Aug 12 at 7:37 PMTomorrow
July 16, 2026
First light at 5:25:54 am
Sunrise time: 6:04:03 am
Sunset time: 9:51:35 pm
Last light at 10:29:44 pm
Day length: 15 hours, 47 minutes
Tomorrow will be 1 minute shorter than today in Guyancourt
Moon will rise on Jul 16 at 6:29 AM Moon will set on Jul 16 at 9:11 PMMoon phase: 🌒 Waxing Crescent (9%)
- Guyancourt, Île-de-France
- Latitude: 48.773338
- Longitude: 2.073930
- Time zone: Central European Summer Time (CEST, UTC+2)
Shortest day in Guyancourt, Île-de-France
The shortest day of the year will be in around 6 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 was 24 days ago, during the summer solstice on June 21, 2026, with a daylight length of 16 hours and 14 minutes.
July 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 July in Guyancourt.
The day length shortens by 58 minutes over the course of July 2026 in Guyancourt, Île-de-France - from 16 hours, 9 minutes on the first day to 15 hours, 11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wed, Jul 1 | 5:10:47 am | 5:50:50 am | 10:00:22 pm | 10:40:26 pm | 16h 9m 32s | 16h 9m 32s | 1:55:36 pm | 71.9° | 4:11:30 am | 11:39:43 pm | 2:15:58 am | 1:35:15 am | 7h 51m 7s | 🌖 (99%) |
| Thu, Jul 2 | 5:11:31 am | 5:51:29 am | 10:00:06 pm | 10:40:04 pm | 16h 8m 37s | 0m -55s | 1:55:48 pm | 71.8° | 4:12:28 am | 11:39:08 pm | 2:20:45 am | 1:30:50 am | 7h 52m 5s | 🌖 (97%) |
| Fri, Jul 3 | 5:12:18 am | 5:52:11 am | 9:59:47 pm | 10:39:40 pm | 16h 7m 36s | -1m -1s | 1:55:59 pm | 71.7° | 4:13:29 am | 11:38:28 pm | 2:25:09 am | 1:26:49 am | 7h 53m 7s | 🌖 (92%) |
| Sat, Jul 4 | 5:13:08 am | 5:52:54 am | 9:59:25 pm | 10:39:12 pm | 16h 6m 31s | -1m -5s | 1:56:10 pm | 71.6° | 4:14:35 am | 11:37:45 pm | 2:29:18 am | 1:23:02 am | 7h 54m 15s | 🌖 (86%) |
| Sun, Jul 5 | 5:13:59 am | 5:53:40 am | 9:59:00 pm | 10:38:41 pm | 16h 5m 20s | -1m -11s | 1:56:20 pm | 71.5° | 4:15:43 am | 11:36:57 pm | 2:33:15 am | 1:19:25 am | 7h 55m 27s | 🌖 (79%) |
| Mon, Jul 6 | 5:14:54 am | 5:54:27 am | 9:58:33 pm | 10:38:07 pm | 16h 4m 6s | -1m -14s | 1:56:30 pm | 71.4° | 4:16:55 am | 11:36:06 pm | 2:37:05 am | 1:15:55 am | 7h 56m 44s | 🌖 (70%) |
| Tue, Jul 7 | 5:15:51 am | 5:55:17 am | 9:58:03 pm | 10:37:29 pm | 16h 2m 46s | -1m -20s | 1:56:40 pm | 71.3° | 4:18:10 am | 11:35:10 pm | 2:40:49 am | 1:12:31 am | 7h 58m 6s | 🌖 (60%) |
| Wed, Jul 8 | 5:16:50 am | 5:56:09 am | 9:57:30 pm | 10:36:49 pm | 16h 1m 21s | -1m -25s | 1:56:49 pm | 71.2° | 4:19:28 am | 11:34:11 pm | 2:44:28 am | 1:09:11 am | 7h 59m 32s | 🌗 (49%) |
| Thu, Jul 9 | 5:17:51 am | 5:57:02 am | 9:56:55 pm | 10:36:06 pm | 15h 59m 53s | -1m -28s | 1:56:58 pm | 71.1° | 4:20:49 am | 11:33:08 pm | 2:48:03 am | 1:05:54 am | 8h 1m 2s | 🌘 (38%) |
| Fri, Jul 10 | 5:18:54 am | 5:57:57 am | 9:56:17 pm | 10:35:20 pm | 15h 58m 20s | -1m -33s | 1:57:07 pm | 71° | 4:22:12 am | 11:32:02 pm | 2:51:34 am | 1:02:40 am | 8h 2m 37s | 🌘 (27%) |
| Sat, Jul 11 | 5:19:59 am | 5:58:54 am | 9:55:36 pm | 10:34:31 pm | 15h 56m 42s | -1m -38s | 1:57:15 pm | 70.8° | 4:23:38 am | 11:30:52 pm | 2:55:02 am | 12:59:28 am | 8h 4m 17s | 🌘 (17%) |
| Sun, Jul 12 | 5:21:07 am | 5:59:53 am | 9:54:53 pm | 10:33:39 pm | 15h 55m 0s | -1m -42s | 1:57:23 pm | 70.7° | 4:25:07 am | 11:29:39 pm | 2:58:28 am | 12:56:18 am | 8h 6m 0s | 🌘 (9%) |
| Mon, Jul 13 | 5:22:16 am | 6:00:53 am | 9:54:07 pm | 10:32:44 pm | 15h 53m 14s | -1m -46s | 1:57:30 pm | 70.5° | 4:26:38 am | 11:28:22 pm | 3:01:50 am | 12:53:10 am | 8h 7m 48s | 🌘 (3%) |
| Tue, Jul 14 | 5:23:27 am | 6:01:55 am | 9:53:19 pm | 10:31:47 pm | 15h 51m 24s | -1m -50s | 1:57:37 pm | 70.4° | 4:28:11 am | 11:27:02 pm | 3:05:10 am | 12:50:03 am | 8h 9m 39s | 🌑 (0%) |
| Wed, Jul 15 | 5:24:39 am | 6:02:58 am | 9:52:28 pm | 10:30:46 pm | 15h 49m 30s | -1m -54s | 1:57:43 pm | 70.2° | 4:29:46 am | 11:25:40 pm | 3:08:28 am | 12:46:57 am | 8h 11m 35s | 🌑 (0%) |
| Thu, Jul 16 | 5:25:54 am | 6:04:03 am | 9:51:35 pm | 10:29:44 pm | 15h 47m 32s | -1m -58s | 1:57:49 pm | 70.1° | 4:31:23 am | 11:24:14 pm | 3:11:44 am | 12:43:53 am | 8h 13m 34s | 🌒 (3%) |
| Fri, Jul 17 | 5:27:10 am | 6:05:09 am | 9:50:39 pm | 10:28:38 pm | 15h 45m 30s | -2m -2s | 1:57:54 pm | 69.9° | 4:33:02 am | 11:22:45 pm | 3:14:58 am | 12:40:49 am | 8h 15m 37s | 🌒 (9%) |
| Sat, Jul 18 | 5:28:27 am | 6:06:16 am | 9:49:41 pm | 10:27:30 pm | 15h 43m 25s | -2m -5s | 1:57:59 pm | 69.7° | 4:34:43 am | 11:21:14 pm | 3:18:10 am | 12:37:47 am | 8h 17m 44s | 🌒 (16%) |
| Sun, Jul 19 | 5:29:46 am | 6:07:25 am | 9:48:41 pm | 10:26:20 pm | 15h 41m 16s | -2m -9s | 1:58:03 pm | 69.6° | 4:36:25 am | 11:19:40 pm | 3:21:20 am | 12:34:45 am | 8h 19m 54s | 🌒 (25%) |
| Mon, Jul 20 | 5:31:06 am | 6:08:35 am | 9:47:38 pm | 10:25:07 pm | 15h 39m 3s | -2m -13s | 1:58:06 pm | 69.4° | 4:38:08 am | 11:18:04 pm | 3:24:28 am | 12:31:44 am | 8h 22m 8s | 🌒 (35%) |
| Tue, Jul 21 | 5:32:27 am | 6:09:46 am | 9:46:33 pm | 10:23:52 pm | 15h 36m 47s | -2m -16s | 1:58:09 pm | 69.2° | 4:39:53 am | 11:16:25 pm | 3:27:34 am | 12:28:44 am | 8h 24m 25s | 🌓 (45%) |
| Wed, Jul 22 | 5:33:49 am | 6:10:58 am | 9:45:26 pm | 10:22:34 pm | 15h 34m 28s | -2m -19s | 1:58:12 pm | 69° | 4:41:39 am | 11:14:44 pm | 3:30:39 am | 12:25:44 am | 8h 26m 45s | 🌓 (55%) |
| Thu, Jul 23 | 5:35:13 am | 6:12:11 am | 9:44:16 pm | 10:21:14 pm | 15h 32m 5s | -2m -23s | 1:58:14 pm | 68.8° | 4:43:26 am | 11:13:01 pm | 3:33:42 am | 12:22:46 am | 8h 29m 9s | 🌔 (64%) |
| Fri, Jul 24 | 5:36:38 am | 6:13:25 am | 9:43:05 pm | 10:19:52 pm | 15h 29m 40s | -2m -25s | 1:58:15 pm | 68.6° | 4:45:14 am | 11:11:15 pm | 3:36:43 am | 12:19:47 am | 8h 31m 35s | 🌔 (73%) |
| Sat, Jul 25 | 5:38:03 am | 6:14:40 am | 9:41:51 pm | 10:18:28 pm | 15h 27m 11s | -2m -29s | 1:58:16 pm | 68.4° | 4:47:03 am | 11:09:28 pm | 3:39:42 am | 12:16:49 am | 8h 34m 5s | 🌔 (81%) |
| Sun, Jul 26 | 5:39:30 am | 6:15:56 am | 9:40:35 pm | 10:17:02 pm | 15h 24m 39s | -2m -32s | 1:58:16 pm | 68.1° | 4:48:53 am | 11:07:38 pm | 3:42:39 am | 12:13:52 am | 8h 36m 38s | 🌔 (88%) |
| Mon, Jul 27 | 5:40:57 am | 6:17:13 am | 9:39:18 pm | 10:15:33 pm | 15h 22m 5s | -2m -34s | 1:58:15 pm | 67.9° | 4:50:44 am | 11:05:47 pm | 3:45:35 am | 12:10:55 am | 8h 39m 12s | 🌔 (93%) |
| Tue, Jul 28 | 5:42:25 am | 6:18:30 am | 9:37:58 pm | 10:14:03 pm | 15h 19m 28s | -2m -37s | 1:58:14 pm | 67.7° | 4:52:35 am | 11:03:53 pm | 3:48:29 am | 12:07:59 am | 8h 41m 50s | 🌔 (97%) |
| Wed, Jul 29 | 5:43:54 am | 6:19:48 am | 9:36:36 pm | 10:12:31 pm | 15h 16m 48s | -2m -40s | 1:58:12 pm | 67.4° | 4:54:26 am | 11:01:59 pm | 3:51:21 am | 12:05:03 am | 8h 44m 31s | 🌔 (100%) |
| Thu, Jul 30 | 5:45:23 am | 6:21:07 am | 9:35:13 pm | 10:10:57 pm | 15h 14m 6s | -2m -42s | 1:58:10 pm | 67.2° | 4:56:18 am | 11:00:02 pm | 3:54:12 am | 12:02:08 am | 8h 47m 14s | 🌕 (100%) |
| Fri, Jul 31 | 5:46:53 am | 6:22:27 am | 9:33:47 pm | 10:09:21 pm | 15h 11m 20s | -2m -46s | 1:58:07 pm | 67° | 4:58:10 am | 10:58:04 pm | 3:57:01 am | 11:59:13 pm | 8h 50m 0s | 🌖 (98%) |
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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 following 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.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Guyancourt, Île-de-France
In Guyancourt, Île-de-France, the earliest sunrise of 2026 is on June 16 at 5:45 am, while the latest sunrise is on January 1 at 8:42 am. The earliest sunset is on December 11 at 4:57 pm, and the latest sunset is on June 25 at 10:01 pm.
Guyancourt, Île-de-France gets 7h 54m more daylight on the longest day than on the shortest one (16h 14m versus 8h 19m). Averaged over the whole year, a day lasts 12h 18m.
Places near Guyancourt, Île-de-France
These nearby towns and cities have almost the same sunrise and sunset times as Guyancourt, Île-de-France — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Voisins-le-Bretonneux 2 kmSaint-Cyr-l'École 3 kmMontigny-le-Bretonneux 3 kmMagny-les-Hameaux 3 kmBuc 4 kmToussus-le-Noble 4 kmSaint-Quentin-en-Yvelines 4 kmTrappes 4 km