Sunrise and Sunset times in Koumra, Chad 
Koumra
Mandoul
Time zone: Africa/Ndjamena, UTC 1 h.
Latitude: 8.9126, Longitude: 17.5539
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 05:34:40 | 11:53:43 | 18:12:46 | 12h 38m 6s |
| 2025-Jul-02, Wednesday | 05:34:55 | 11:53:55 | 18:12:54 | 12h 37m 59s |
| 2025-Jul-03, Thursday | 05:35:10 | 11:54:06 | 18:13:01 | 12h 37m 51s |
| 2025-Jul-04, Friday | 05:35:25 | 11:54:16 | 18:13:08 | 12h 37m 43s |
| 2025-Jul-05, Saturday | 05:35:39 | 11:54:27 | 18:13:14 | 12h 37m 35s |
| 2025-Jul-06, Sunday | 05:35:54 | 11:54:37 | 18:13:20 | 12h 37m 26s |
| 2025-Jul-07, Monday | 05:36:09 | 11:54:47 | 18:13:25 | 12h 37m 16s |
| 2025-Jul-08, Tuesday | 05:36:23 | 11:54:56 | 18:13:29 | 12h 37m 6s |
| 2025-Jul-09, Wednesday | 05:36:38 | 11:55:05 | 18:13:32 | 12h 36m 54s |
| 2025-Jul-10, Thursday | 05:36:52 | 11:55:13 | 18:13:35 | 12h 36m 43s |
| 2025-Jul-11, Friday | 05:37:06 | 11:55:21 | 18:13:37 | 12h 36m 31s |
| 2025-Jul-12, Saturday | 05:37:20 | 11:55:29 | 18:13:38 | 12h 36m 18s |
| 2025-Jul-13, Sunday | 05:37:33 | 11:55:36 | 18:13:39 | 12h 36m 6s |
| 2025-Jul-14, Monday | 05:37:47 | 11:55:43 | 18:13:38 | 12h 35m 51s |
| 2025-Jul-15, Tuesday | 05:38:00 | 11:55:49 | 18:13:37 | 12h 35m 37s |
| 2025-Jul-16, Wednesday | 05:38:13 | 11:55:54 | 18:13:36 | 12h 35m 23s |
| 2025-Jul-17, Thursday | 05:38:26 | 11:55:59 | 18:13:33 | 12h 35m 7s |
| 2025-Jul-18, Friday | 05:38:38 | 11:56:04 | 18:13:30 | 12h 34m 52s |
| 2025-Jul-19, Saturday | 05:38:50 | 11:56:08 | 18:13:26 | 12h 34m 36s |
| 2025-Jul-20, Sunday | 05:39:02 | 11:56:12 | 18:13:21 | 12h 34m 19s |
| 2025-Jul-21, Monday | 05:39:14 | 11:56:14 | 18:13:15 | 12h 34m 1s |
| 2025-Jul-22, Tuesday | 05:39:25 | 11:56:17 | 18:13:09 | 12h 33m 44s |
| 2025-Jul-23, Wednesday | 05:39:36 | 11:56:19 | 18:13:01 | 12h 33m 25s |
| 2025-Jul-24, Thursday | 05:39:46 | 11:56:20 | 18:12:53 | 12h 33m 7s |
| 2025-Jul-25, Friday | 05:39:56 | 11:56:20 | 18:12:44 | 12h 32m 48s |
| 2025-Jul-26, Saturday | 05:40:06 | 11:56:20 | 18:12:35 | 12h 32m 29s |
| 2025-Jul-27, Sunday | 05:40:15 | 11:56:20 | 18:12:24 | 12h 32m 9s |
| 2025-Jul-28, Monday | 05:40:24 | 11:56:18 | 18:12:13 | 12h 31m 49s |
| 2025-Jul-29, Tuesday | 05:40:32 | 11:56:17 | 18:12:01 | 12h 31m 29s |
| 2025-Jul-30, Wednesday | 05:40:40 | 11:56:14 | 18:11:48 | 12h 31m 8s |
| 2025-Jul-31, Thursday | 05:40:48 | 11:56:11 | 18:11:34 | 12h 30m 46s |
Koumra on Chad map:
Cities in the same time zone Africa/Ndjamena
N'Djamena (Ville de N’Djaména), Bongor (Mayo-Kébbi Est), Sarh (Moyen-Chari), Abeche (Ouaddaï), Moundou (Logone Occidental), Kelo (Tandjilé), Pala Oua (Mayo-Kébbi Ouest), Am Timan (Salamat), Doba (Logone Oriental), Mongo (Guéra), Ati (Batha), Lai (Tandjilé), Oum Hadjer (Batha), Mao (Kanem), Faya (Borkou), Biltine (Wadi Fira), Bol (Lac), Fada (Ennedi-Ouest), Chankrous (Ville de N’Djaména), Am Djemena (Ville de N’Djaména), Kabe (Extrême-Nord), Farcha (Chari-Baguirmi), Chagoua (Ville de N’Djaména), Mardan Noum (Ville de N’Djaména), Himeur al Goz (Ville de N’Djaména), Bourbeyde (Ville de N’Djaména), Njaire (Ville de N’Djaména), Oum Al Louma (Ville de N’Djaména), Massakory (Hadjer-Lamis), Toukoura (Ville de N’Djaména)
Largest Populated Areas in Chad
N'Djamena (Ville de N’Djaména), Bongor (Mayo-Kébbi Est), Sarh (Moyen-Chari), Abeche (Ouaddaï), Moundou (Logone Occidental), Kelo (Tandjilé), Pala Oua (Mayo-Kébbi Ouest), Am Timan (Salamat), Doba (Logone Oriental), Mongo (Guéra), Ati (Batha), Lai (Tandjilé), Oum Hadjer (Batha), Mao (Kanem), Faya (Borkou), Biltine (Wadi Fira), Bol (Lac), Fada (Ennedi-Ouest), Abou Rtcha (Ville de N’Djaména), Massakory (Hadjer-Lamis), Madjoraya (Ville de N’Djaména), Mesil (Ville de N’Djaména), Meskin (Ville de N’Djaména), Milezi (Ville de N’Djaména), Marmadogui (Chari-Baguirmi), Digangali (Ville de N’Djaména), Toukoura (Ville de N’Djaména), Gourmadjo (Chari-Baguirmi), Farcha (Chari-Baguirmi), Mahd el Aouin (Ville de N’Djaména)
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