sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Letterkenny, Ireland (Ulster, County Donegal), for period: January 2026. Longest day in month: January 2026: 8 hours, 43 minutes, 4 seconds (2026-01-31). Shortest day in this month: 7 hours, 18 minutes , 37 seconds (2026-01-01).
:January 2026, Solar noon=>Altitude: maximal 17.64° (2026-01-31, 12:44:21). minimal: 12.04° (2026-01-01, 12:34:30)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Thursday | 08:55:12 | 12:34:30 | 16:13:49 | 7h 18m 37s |
| 02 | Friday | 08:54:57 | 12:34:58 | 16:15:00 | 7h 20m 3s |
| 03 | Saturday | 08:54:37 | 12:35:26 | 16:16:15 | 7h 21m 38s |
| 04 | Sunday | 08:54:14 | 12:35:53 | 16:17:32 | 7h 23m 18s |
| 05 | Monday | 08:53:47 | 12:36:20 | 16:18:53 | 7h 25m 6s |
| 06 | Tuesday | 08:53:17 | 12:36:47 | 16:20:17 | 7h 27m 0s |
| 07 | Wednesday | 08:52:42 | 12:37:13 | 16:21:43 | 7h 29m 1s |
| 08 | Thursday | 08:52:04 | 12:37:38 | 16:23:12 | 7h 31m 8s |
| 09 | Friday | 08:51:22 | 12:38:03 | 16:24:44 | 7h 33m 22s |
| 10 | Saturday | 08:50:37 | 12:38:27 | 16:26:18 | 7h 35m 41s |
| 11 | Sunday | 08:49:48 | 12:38:51 | 16:27:55 | 7h 38m 7s |
| 12 | Monday | 08:48:56 | 12:39:14 | 16:29:33 | 7h 40m 37s |
| 13 | Tuesday | 08:48:00 | 12:39:37 | 16:31:14 | 7h 43m 14s |
| 14 | Wednesday | 08:47:01 | 12:39:59 | 16:32:58 | 7h 45m 57s |
| 15 | Thursday | 08:45:58 | 12:40:20 | 16:34:43 | 7h 48m 45s |
| 16 | Friday | 08:44:52 | 12:40:41 | 16:36:30 | 7h 51m 38s |
| 17 | Saturday | 08:43:44 | 12:41:01 | 16:38:18 | 7h 54m 34s |
| 18 | Sunday | 08:42:32 | 12:41:20 | 16:40:09 | 7h 57m 37s |
| 19 | Monday | 08:41:17 | 12:41:39 | 16:42:01 | 8h 0m 44s |
| 20 | Tuesday | 08:39:59 | 12:41:57 | 16:43:54 | 8h 3m 55s |
| 21 | Wednesday | 08:38:38 | 12:42:14 | 16:45:49 | 8h 7m 11s |
| 22 | Thursday | 08:37:15 | 12:42:30 | 16:47:45 | 8h 10m 30s |
| 23 | Friday | 08:35:49 | 12:42:45 | 16:49:42 | 8h 13m 53s |
| 24 | Saturday | 08:34:20 | 12:43:00 | 16:51:40 | 8h 17m 20s |
| 25 | Sunday | 08:32:48 | 12:43:14 | 16:53:40 | 8h 20m 52s |
| 26 | Monday | 08:31:14 | 12:43:27 | 16:55:40 | 8h 24m 26s |
| 27 | Tuesday | 08:29:38 | 12:43:39 | 16:57:41 | 8h 28m 3s |
| 28 | Wednesday | 08:27:59 | 12:43:51 | 16:59:43 | 8h 31m 44s |
| 29 | Thursday | 08:26:18 | 12:44:02 | 17:01:46 | 8h 35m 28s |
| 30 | Friday | 08:24:34 | 12:44:12 | 17:03:49 | 8h 39m 15s |
| 31 | Saturday | 08:22:49 | 12:44:21 | 17:05:53 | 8h 43m 4s |