Sunrise and Sunset times in Dumasi, South Africa 
Dumasi
Eastern Cape
Time zone: Africa/Johannesburg, UTC 2 h.
Latitude: -31.3337, Longitude: 29.5687
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 07:01:20 | 12:05:39 | 17:09:59 | 10h 8m 39s |
| 2025-Jul-02, Wednesday | 07:01:18 | 12:05:51 | 17:10:23 | 10h 9m 5s |
| 2025-Jul-03, Thursday | 07:01:15 | 12:06:02 | 17:10:48 | 10h 9m 33s |
| 2025-Jul-04, Friday | 07:01:11 | 12:06:12 | 17:11:14 | 10h 10m 3s |
| 2025-Jul-05, Saturday | 07:01:05 | 12:06:23 | 17:11:41 | 10h 10m 36s |
| 2025-Jul-06, Sunday | 07:00:57 | 12:06:33 | 17:12:09 | 10h 11m 12s |
| 2025-Jul-07, Monday | 07:00:48 | 12:06:43 | 17:12:37 | 10h 11m 49s |
| 2025-Jul-08, Tuesday | 07:00:38 | 12:06:52 | 17:13:06 | 10h 12m 28s |
| 2025-Jul-09, Wednesday | 07:00:26 | 12:07:01 | 17:13:36 | 10h 13m 10s |
| 2025-Jul-10, Thursday | 07:00:13 | 12:07:09 | 17:14:06 | 10h 13m 53s |
| 2025-Jul-11, Friday | 06:59:58 | 12:07:17 | 17:14:37 | 10h 14m 39s |
| 2025-Jul-12, Saturday | 06:59:41 | 12:07:25 | 17:15:09 | 10h 15m 28s |
| 2025-Jul-13, Sunday | 06:59:23 | 12:07:32 | 17:15:41 | 10h 16m 18s |
| 2025-Jul-14, Monday | 06:59:04 | 12:07:39 | 17:16:14 | 10h 17m 10s |
| 2025-Jul-15, Tuesday | 06:58:43 | 12:07:45 | 17:16:47 | 10h 18m 4s |
| 2025-Jul-16, Wednesday | 06:58:21 | 12:07:51 | 17:17:20 | 10h 18m 59s |
| 2025-Jul-17, Thursday | 06:57:57 | 12:07:56 | 17:17:54 | 10h 19m 57s |
| 2025-Jul-18, Friday | 06:57:32 | 12:08:00 | 17:18:29 | 10h 20m 57s |
| 2025-Jul-19, Saturday | 06:57:05 | 12:08:04 | 17:19:04 | 10h 21m 59s |
| 2025-Jul-20, Sunday | 06:56:37 | 12:08:08 | 17:19:39 | 10h 23m 2s |
| 2025-Jul-21, Monday | 06:56:07 | 12:08:11 | 17:20:14 | 10h 24m 7s |
| 2025-Jul-22, Tuesday | 06:55:36 | 12:08:13 | 17:20:50 | 10h 25m 14s |
| 2025-Jul-23, Wednesday | 06:55:04 | 12:08:15 | 17:21:26 | 10h 26m 22s |
| 2025-Jul-24, Thursday | 06:54:30 | 12:08:16 | 17:22:02 | 10h 27m 32s |
| 2025-Jul-25, Friday | 06:53:55 | 12:08:17 | 17:22:39 | 10h 28m 44s |
| 2025-Jul-26, Saturday | 06:53:18 | 12:08:17 | 17:23:15 | 10h 29m 57s |
| 2025-Jul-27, Sunday | 06:52:40 | 12:08:16 | 17:23:52 | 10h 31m 12s |
| 2025-Jul-28, Monday | 06:52:01 | 12:08:15 | 17:24:29 | 10h 32m 28s |
| 2025-Jul-29, Tuesday | 06:51:20 | 12:08:13 | 17:25:06 | 10h 33m 46s |
| 2025-Jul-30, Wednesday | 06:50:38 | 12:08:11 | 17:25:43 | 10h 35m 5s |
| 2025-Jul-31, Thursday | 06:49:55 | 12:08:08 | 17:26:21 | 10h 36m 26s |
Day length in Dumasi during the year on the chart:
Dumasi on South Africa map:
Largest Populated Areas in South Africa
Johannesburg (Gauteng), Cape Town (Western Cape), Benoni (Gauteng), Durban (KwaZulu-Natal), Pretoria (Gauteng), Vereeniging (Gauteng), Port Elizabeth (Eastern Cape), Pietermaritzburg (KwaZulu-Natal), Bloemfontein (Free State), Welkom (Free State), East London (Eastern Cape), Thohoyandou (Limpopo), Springs (Gauteng), Uitenhage (Eastern Cape), Polokwane (Limpopo), Paarl (Western Cape), Klerksdorp (North West), George (Western Cape), Rustenburg (North West), Kimberley (Northern Cape), Bhisho (Eastern Cape), Middelburg (Mpumalanga), Vryheid (KwaZulu-Natal), Umtata (Eastern Cape), Worcester (Western Cape), Potchefstroom (North West), Brits (North West), Queenstown (Eastern Cape), Mmabatho (North West), Kroonstad (Free State)
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