Sunrise and Sunset times in Boulogne-Billancourt, France 
Boulogne-Billancourt
Île-de-France
Time zone: Europe/Paris, UTC 2 h.
Latitude: 48.8354, Longitude: 2.2413
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 05:51:57 | 13:54:59 | 21:58:00 | 16h 6m 3s |
| 2025-Jul-02, Wednesday | 05:52:37 | 13:55:10 | 21:57:44 | 16h 5m 7s |
| 2025-Jul-03, Thursday | 05:53:18 | 13:55:21 | 21:57:24 | 16h 4m 6s |
| 2025-Jul-04, Friday | 05:54:02 | 13:55:32 | 21:57:02 | 16h 3m 0s |
| 2025-Jul-05, Saturday | 05:54:48 | 13:55:42 | 21:56:36 | 16h 1m 48s |
| 2025-Jul-06, Sunday | 05:55:36 | 13:55:52 | 21:56:09 | 16h 0m 33s |
| 2025-Jul-07, Monday | 05:56:26 | 13:56:02 | 21:55:38 | 15h 59m 12s |
| 2025-Jul-08, Tuesday | 05:57:18 | 13:56:11 | 21:55:05 | 15h 57m 47s |
| 2025-Jul-09, Wednesday | 05:58:11 | 13:56:20 | 21:54:29 | 15h 56m 18s |
| 2025-Jul-10, Thursday | 05:59:07 | 13:56:29 | 21:53:51 | 15h 54m 44s |
| 2025-Jul-11, Friday | 06:00:04 | 13:56:37 | 21:53:09 | 15h 53m 5s |
| 2025-Jul-12, Saturday | 06:01:03 | 13:56:44 | 21:52:26 | 15h 51m 23s |
| 2025-Jul-13, Sunday | 06:02:03 | 13:56:51 | 21:51:40 | 15h 49m 37s |
| 2025-Jul-14, Monday | 06:03:05 | 13:56:58 | 21:50:51 | 15h 47m 46s |
| 2025-Jul-15, Tuesday | 06:04:08 | 13:57:04 | 21:50:00 | 15h 45m 52s |
| 2025-Jul-16, Wednesday | 06:05:13 | 13:57:10 | 21:49:06 | 15h 43m 53s |
| 2025-Jul-17, Thursday | 06:06:19 | 13:57:15 | 21:48:10 | 15h 41m 51s |
| 2025-Jul-18, Friday | 06:07:27 | 13:57:19 | 21:47:12 | 15h 39m 45s |
| 2025-Jul-19, Saturday | 06:08:36 | 13:57:23 | 21:46:11 | 15h 37m 35s |
| 2025-Jul-20, Sunday | 06:09:46 | 13:57:27 | 21:45:08 | 15h 35m 22s |
| 2025-Jul-21, Monday | 06:10:57 | 13:57:30 | 21:44:02 | 15h 33m 5s |
| 2025-Jul-22, Tuesday | 06:12:09 | 13:57:32 | 21:42:55 | 15h 30m 46s |
| 2025-Jul-23, Wednesday | 06:13:22 | 13:57:34 | 21:41:45 | 15h 28m 23s |
| 2025-Jul-24, Thursday | 06:14:36 | 13:57:35 | 21:40:33 | 15h 25m 57s |
| 2025-Jul-25, Friday | 06:15:51 | 13:57:35 | 21:39:19 | 15h 23m 28s |
| 2025-Jul-26, Saturday | 06:17:07 | 13:57:35 | 21:38:04 | 15h 20m 57s |
| 2025-Jul-27, Sunday | 06:18:24 | 13:57:35 | 21:36:46 | 15h 18m 22s |
| 2025-Jul-28, Monday | 06:19:41 | 13:57:33 | 21:35:26 | 15h 15m 45s |
| 2025-Jul-29, Tuesday | 06:20:59 | 13:57:32 | 21:34:04 | 15h 13m 5s |
| 2025-Jul-30, Wednesday | 06:22:18 | 13:57:29 | 21:32:40 | 15h 10m 22s |
| 2025-Jul-31, Thursday | 06:23:38 | 13:57:26 | 21:31:14 | 15h 7m 36s |
Boulogne-Billancourt on France map:
Cities in the same time zone Europe/Paris
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)
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