Sunrise and Sunset times in Letterkenny, Ireland 
Letterkenny
Donegal
Time zone: Europe/Dublin, UTC 1 h.
Latitude: 54.95, Longitude: -7.7333
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 04:59:13 | 13:28:50 | 21:58:27 | 16h 59m 14s |
| 2025-Jun-02, Monday | 04:58:17 | 13:28:59 | 21:59:41 | 17h 1m 24s |
| 2025-Jun-03, Tuesday | 04:57:25 | 13:29:09 | 22:00:54 | 17h 3m 29s |
| 2025-Jun-04, Wednesday | 04:56:36 | 13:29:20 | 22:02:03 | 17h 5m 27s |
| 2025-Jun-05, Thursday | 04:55:50 | 13:29:30 | 22:03:10 | 17h 7m 20s |
| 2025-Jun-06, Friday | 04:55:08 | 13:29:41 | 22:04:14 | 17h 9m 6s |
| 2025-Jun-07, Saturday | 04:54:30 | 13:29:52 | 22:05:15 | 17h 10m 45s |
| 2025-Jun-08, Sunday | 04:53:55 | 13:30:04 | 22:06:13 | 17h 12m 18s |
| 2025-Jun-09, Monday | 04:53:23 | 13:30:16 | 22:07:08 | 17h 13m 45s |
| 2025-Jun-10, Tuesday | 04:52:55 | 13:30:28 | 22:08:00 | 17h 15m 5s |
| 2025-Jun-11, Wednesday | 04:52:31 | 13:30:40 | 22:08:49 | 17h 16m 18s |
| 2025-Jun-12, Thursday | 04:52:10 | 13:30:52 | 22:09:34 | 17h 17m 24s |
| 2025-Jun-13, Friday | 04:51:54 | 13:31:05 | 22:10:16 | 17h 18m 22s |
| 2025-Jun-14, Saturday | 04:51:40 | 13:31:17 | 22:10:55 | 17h 19m 15s |
| 2025-Jun-15, Sunday | 04:51:31 | 13:31:30 | 22:11:30 | 17h 19m 59s |
| 2025-Jun-16, Monday | 04:51:25 | 13:31:43 | 22:12:01 | 17h 20m 36s |
| 2025-Jun-17, Tuesday | 04:51:23 | 13:31:56 | 22:12:29 | 17h 21m 6s |
| 2025-Jun-18, Wednesday | 04:51:25 | 13:32:09 | 22:12:54 | 17h 21m 29s |
| 2025-Jun-19, Thursday | 04:51:30 | 13:32:22 | 22:13:14 | 17h 21m 44s |
| 2025-Jun-20, Friday | 04:51:39 | 13:32:35 | 22:13:32 | 17h 21m 53s |
| 2025-Jun-21, Saturday | 04:51:52 | 13:32:49 | 22:13:45 | 17h 21m 53s |
| 2025-Jun-22, Sunday | 04:52:09 | 13:33:02 | 22:13:55 | 17h 21m 46s |
| 2025-Jun-23, Monday | 04:52:29 | 13:33:14 | 22:14:00 | 17h 21m 31s |
| 2025-Jun-24, Tuesday | 04:52:52 | 13:33:27 | 22:14:03 | 17h 21m 11s |
| 2025-Jun-25, Wednesday | 04:53:19 | 13:33:40 | 22:14:01 | 17h 20m 42s |
| 2025-Jun-26, Thursday | 04:53:50 | 13:33:53 | 22:13:55 | 17h 20m 5s |
| 2025-Jun-27, Friday | 04:54:24 | 13:34:05 | 22:13:46 | 17h 19m 22s |
| 2025-Jun-28, Saturday | 04:55:02 | 13:34:17 | 22:13:33 | 17h 18m 31s |
| 2025-Jun-29, Sunday | 04:55:43 | 13:34:30 | 22:13:17 | 17h 17m 34s |
| 2025-Jun-30, Monday | 04:56:27 | 13:34:41 | 22:12:56 | 17h 16m 29s |
Letterkenny on Ireland map:
Cities in the same time zone Europe/Dublin
Dublin (Dublin), Cork (Cork), Limerick (Limerick), Galway (Galway), Waterford (Waterford), Dun Dealgan (Louth), Drogheda (Louth), Tralee (Kerry), Kilkenny (Kilkenny), Sligo (Sligo), Killarney (Kerry), Shannon (Clare), Monaghan (Monaghan), Ros Comain (Roscommon), Donegal (Donegal), Belleek (Fermanagh and Omagh), Newtown Mount Kennedy (Wicklow), Gowran (Kilkenny), Graigue (Laois), Carrigtohill (Cork), Castletown Bearhaven (Cork), Ardnacrusha , Inishannon (Cork), Inishcarra (Cork), Scilly (Cork), Calverstown (Kildare), Hospital , Beal Atha hEis (Cavan), Shercock (Cavan), Bridge End (Donegal)
Largest Populated Areas in Ireland
Dublin (Dublin), Cork (Cork), Limerick (Limerick), Galway (Galway), Waterford (Waterford), Dun Dealgan (Louth), Drogheda (Louth), Tralee (Kerry), Kilkenny (Kilkenny), Sligo (Sligo), Killarney (Kerry), Shannon (Clare), Monaghan (Monaghan), Ros Comain (Roscommon), Donegal (Donegal), Durrow (Laois), Saleen (Cork), Bridge End (Donegal), Navan (Meath), Leixlip (Kildare), Beal Atha hEis (Cavan), Inishcrone (Sligo), Inishannon (Cork), Ardnacrusha , Castletown Bearhaven (Cork), Carrigtohill (Cork), Graigue (Laois), Gowran (Kilkenny), Gouldavoher , Queensborough (Meath)
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