Sunrise and Sunset times in Sion Mills, United Kingdom 
Sion Mills
Derry and Strabane
Time zone: Europe/London, UTC 1 h.
Latitude: 54.7833, Longitude: -7.5
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 04:57:27 | 13:33:57 | 22:10:27 | 17h 13m 0s |
| 2025-Jul-02, Wednesday | 04:58:17 | 13:34:08 | 22:10:00 | 17h 11m 43s |
| 2025-Jul-03, Thursday | 04:59:10 | 13:34:19 | 22:09:29 | 17h 10m 19s |
| 2025-Jul-04, Friday | 05:00:06 | 13:34:30 | 22:08:54 | 17h 8m 48s |
| 2025-Jul-05, Saturday | 05:01:05 | 13:34:40 | 22:08:16 | 17h 7m 11s |
| 2025-Jul-06, Sunday | 05:02:07 | 13:34:50 | 22:07:34 | 17h 5m 27s |
| 2025-Jul-07, Monday | 05:03:11 | 13:35:00 | 22:06:49 | 17h 3m 38s |
| 2025-Jul-08, Tuesday | 05:04:18 | 13:35:09 | 22:06:01 | 17h 1m 43s |
| 2025-Jul-09, Wednesday | 05:05:28 | 13:35:18 | 22:05:09 | 16h 59m 41s |
| 2025-Jul-10, Thursday | 05:06:40 | 13:35:27 | 22:04:13 | 16h 57m 33s |
| 2025-Jul-11, Friday | 05:07:55 | 13:35:35 | 22:03:15 | 16h 55m 20s |
| 2025-Jul-12, Saturday | 05:09:12 | 13:35:42 | 22:02:13 | 16h 53m 1s |
| 2025-Jul-13, Sunday | 05:10:31 | 13:35:49 | 22:01:08 | 16h 50m 37s |
| 2025-Jul-14, Monday | 05:11:52 | 13:35:56 | 22:00:00 | 16h 48m 8s |
| 2025-Jul-15, Tuesday | 05:13:15 | 13:36:02 | 21:58:49 | 16h 45m 34s |
| 2025-Jul-16, Wednesday | 05:14:40 | 13:36:08 | 21:57:35 | 16h 42m 55s |
| 2025-Jul-17, Thursday | 05:16:07 | 13:36:13 | 21:56:18 | 16h 40m 11s |
| 2025-Jul-18, Friday | 05:17:36 | 13:36:17 | 21:54:59 | 16h 37m 23s |
| 2025-Jul-19, Saturday | 05:19:06 | 13:36:21 | 21:53:36 | 16h 34m 30s |
| 2025-Jul-20, Sunday | 05:20:38 | 13:36:25 | 21:52:11 | 16h 31m 33s |
| 2025-Jul-21, Monday | 05:22:12 | 13:36:28 | 21:50:43 | 16h 28m 31s |
| 2025-Jul-22, Tuesday | 05:23:47 | 13:36:30 | 21:49:13 | 16h 25m 26s |
| 2025-Jul-23, Wednesday | 05:25:23 | 13:36:32 | 21:47:40 | 16h 22m 17s |
| 2025-Jul-24, Thursday | 05:27:01 | 13:36:33 | 21:46:04 | 16h 19m 3s |
| 2025-Jul-25, Friday | 05:28:40 | 13:36:33 | 21:44:26 | 16h 15m 46s |
| 2025-Jul-26, Saturday | 05:30:20 | 13:36:33 | 21:42:46 | 16h 12m 26s |
| 2025-Jul-27, Sunday | 05:32:01 | 13:36:33 | 21:41:04 | 16h 9m 3s |
| 2025-Jul-28, Monday | 05:33:43 | 13:36:31 | 21:39:19 | 16h 5m 36s |
| 2025-Jul-29, Tuesday | 05:35:26 | 13:36:29 | 21:37:33 | 16h 2m 7s |
| 2025-Jul-30, Wednesday | 05:37:10 | 13:36:27 | 21:35:44 | 15h 58m 34s |
| 2025-Jul-31, Thursday | 05:38:54 | 13:36:24 | 21:33:53 | 15h 54m 59s |
Sion Mills on United Kingdom map:
Cities in the same time zone Europe/London
London (London, City of), Birmingham (Birmingham), Manchester (Manchester), Leeds (Leeds), Sheffield (Sheffield), Glasgow (Glasgow City), Newcastle upon Tyne (Newcastle upon Tyne), Nottingham (Nottingham), Liverpool (Liverpool), Southend-on-Sea (Southend-on-Sea), Bristol (Bristol, City of), Edinburgh (Edinburgh, City of), Brighton (Brighton and Hove), Bradford (Bradford), Leicester (Leicester), Sunderland (Sunderland), Belfast (Belfast), Portsmouth (Portsmouth), Bournemouth (Bournemouth), Middlesbrough (Redcar and Cleveland), Stoke-on-Trent (Stoke-on-Trent), Coventry (Coventry), Southampton (Southampton), Reading (Reading), Kingston upon Hull (Kingston upon Hull, City of), Abertawe (Swansea), Blackpool (Blackpool), Plymouth (Plymouth), Luton (Luton), Oxford (Oxfordshire)
Largest Populated Areas in United Kingdom
London (London, City of), Birmingham (Birmingham), Manchester (Manchester), Leeds (Leeds), Sheffield (Sheffield), Glasgow (Glasgow City), Newcastle upon Tyne (Newcastle upon Tyne), Caerdydd (Cardiff), Nottingham (Nottingham), Liverpool (Liverpool), Southend-on-Sea (Southend-on-Sea), Bristol (Bristol, City of), Edinburgh (Edinburgh, City of), Brighton (Brighton and Hove), Bradford (Bradford), Leicester (Leicester), Sunderland (Sunderland), Belfast (Belfast), Portsmouth (Portsmouth), Bournemouth (Bournemouth), Middlesbrough (Redcar and Cleveland), Stoke-on-Trent (Stoke-on-Trent), Coventry (Coventry), Southampton (Southampton), Reading (Reading), Kingston upon Hull (Kingston upon Hull, City of), Abertawe (Swansea), Blackpool (Blackpool), Plymouth (Plymouth), Luton (Luton)
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