Sunrise and Sunset times in Cergy-Pontoise, France 
Cergy-Pontoise
Île-de-France
Time zone: Europe/Paris, UTC 2 h.
Latitude: 49, Longitude: 2.0333
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 05:52:00 | 13:55:49 | 21:59:37 | 16h 7m 37s |
| 2025-Jul-02, Wednesday | 05:52:40 | 13:56:00 | 21:59:20 | 16h 6m 40s |
| 2025-Jul-03, Thursday | 05:53:22 | 13:56:11 | 21:59:00 | 16h 5m 38s |
| 2025-Jul-04, Friday | 05:54:06 | 13:56:22 | 21:58:37 | 16h 4m 31s |
| 2025-Jul-05, Saturday | 05:54:52 | 13:56:32 | 21:58:12 | 16h 3m 20s |
| 2025-Jul-06, Sunday | 05:55:41 | 13:56:42 | 21:57:44 | 16h 2m 3s |
| 2025-Jul-07, Monday | 05:56:31 | 13:56:52 | 21:57:13 | 16h 0m 42s |
| 2025-Jul-08, Tuesday | 05:57:23 | 13:57:01 | 21:56:40 | 15h 59m 17s |
| 2025-Jul-09, Wednesday | 05:58:17 | 13:57:10 | 21:56:03 | 15h 57m 46s |
| 2025-Jul-10, Thursday | 05:59:13 | 13:57:19 | 21:55:24 | 15h 56m 11s |
| 2025-Jul-11, Friday | 06:00:10 | 13:57:27 | 21:54:43 | 15h 54m 33s |
| 2025-Jul-12, Saturday | 06:01:09 | 13:57:34 | 21:53:59 | 15h 52m 50s |
| 2025-Jul-13, Sunday | 06:02:10 | 13:57:41 | 21:53:12 | 15h 51m 2s |
| 2025-Jul-14, Monday | 06:03:12 | 13:57:48 | 21:52:23 | 15h 49m 11s |
| 2025-Jul-15, Tuesday | 06:04:16 | 13:57:54 | 21:51:32 | 15h 47m 16s |
| 2025-Jul-16, Wednesday | 06:05:22 | 13:58:00 | 21:50:38 | 15h 45m 16s |
| 2025-Jul-17, Thursday | 06:06:28 | 13:58:05 | 21:49:41 | 15h 43m 13s |
| 2025-Jul-18, Friday | 06:07:36 | 13:58:09 | 21:48:42 | 15h 41m 6s |
| 2025-Jul-19, Saturday | 06:08:45 | 13:58:13 | 21:47:41 | 15h 38m 56s |
| 2025-Jul-20, Sunday | 06:09:56 | 13:58:17 | 21:46:37 | 15h 36m 41s |
| 2025-Jul-21, Monday | 06:11:07 | 13:58:19 | 21:45:32 | 15h 34m 25s |
| 2025-Jul-22, Tuesday | 06:12:20 | 13:58:22 | 21:44:24 | 15h 32m 4s |
| 2025-Jul-23, Wednesday | 06:13:34 | 13:58:24 | 21:43:13 | 15h 29m 39s |
| 2025-Jul-24, Thursday | 06:14:48 | 13:58:25 | 21:42:01 | 15h 27m 13s |
| 2025-Jul-25, Friday | 06:16:04 | 13:58:25 | 21:40:47 | 15h 24m 43s |
| 2025-Jul-26, Saturday | 06:17:20 | 13:58:25 | 21:39:30 | 15h 22m 10s |
| 2025-Jul-27, Sunday | 06:18:38 | 13:58:25 | 21:38:11 | 15h 19m 33s |
| 2025-Jul-28, Monday | 06:19:56 | 13:58:23 | 21:36:51 | 15h 16m 55s |
| 2025-Jul-29, Tuesday | 06:21:14 | 13:58:21 | 21:35:29 | 15h 14m 15s |
| 2025-Jul-30, Wednesday | 06:22:34 | 13:58:19 | 21:34:04 | 15h 11m 30s |
| 2025-Jul-31, Thursday | 06:23:54 | 13:58:16 | 21:32:38 | 15h 8m 44s |
Cergy-Pontoise on France map:
Largest Populated Areas in France
Paris (Île-de-France), Lyon (Auvergne-Rhône-Alpes), Marseille (Provence-Alpes-Côte d’Azur), Lille (Hauts-de-France), Nice (Provence-Alpes-Côte d’Azur), Toulouse (Occitanie), Bordeaux (Nouvelle-Aquitaine), Rouen (Normandie), Strasbourg (Grand Est), Nantes (Pays de la Loire), Metz (Grand Est), Grenoble (Auvergne-Rhône-Alpes), Toulon (Provence-Alpes-Côte d’Azur), Montpellier (Occitanie), Nancy (Grand Est), Saint-Etienne (Auvergne-Rhône-Alpes), Melun (Île-de-France), Le Havre (Normandie), Tours (Centre-Val de Loire), Clermont-Ferrand (Auvergne-Rhône-Alpes), Orleans (Centre-Val de Loire), Mulhouse (Grand Est), Rennes (Bretagne), Reims (Grand Est), Caen (Normandie), Angers (Pays de la Loire), Dijon (Bourgogne-Franche-Comté), Nimes (Occitanie), Limoges (Nouvelle-Aquitaine), Aix-en-Provence (Provence-Alpes-Côte d’Azur)
Daylight Hours FAQ: 10 Most Googled Questions Answered
1. What are daylight hours?
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
2. Why are days shorter in winter and longer in summer?
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
3. When is the longest day of the year?
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
4. When is the shortest day of the year?
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
5. How does latitude affect daylight hours?
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
6. Why do New York and Miami have different day lengths?
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
7. When are day and night equal?
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
How fast do days lengthen/shorten?
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
9. Where can I check daylight hours for my city?
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
10. Does daylight affect health?
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks