sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Udon Thani, Thailand (Changwat Udon Thani), for period: December 2026. Longest day in month: December 2026: 11 hours, 10 minutes, 7 seconds (2026-12-01). Shortest day in this month: 11 hours, 5 minutes , 21 seconds (2026-12-21).
:December 2026, Solar noon=>Altitude: maximal 50.86° (2026-12-01, 11:57:46). minimal: 49.14° (2026-12-22, 12:07:16)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:22:42 | 11:57:46 | 17:32:49 | 11h 10m 7s |
| 02 | Wednesday | 06:23:18 | 11:58:08 | 17:32:58 | 11h 9m 40s |
| 03 | Thursday | 06:23:54 | 11:58:31 | 17:33:09 | 11h 9m 15s |
| 04 | Friday | 06:24:30 | 11:58:55 | 17:33:21 | 11h 8m 51s |
| 05 | Saturday | 06:25:05 | 11:59:20 | 17:33:34 | 11h 8m 29s |
| 06 | Sunday | 06:25:41 | 11:59:45 | 17:33:48 | 11h 8m 7s |
| 07 | Monday | 06:26:17 | 12:00:10 | 17:34:04 | 11h 7m 47s |
| 08 | Tuesday | 06:26:52 | 12:00:36 | 17:34:20 | 11h 7m 28s |
| 09 | Wednesday | 06:27:28 | 12:01:03 | 17:34:38 | 11h 7m 10s |
| 10 | Thursday | 06:28:03 | 12:01:30 | 17:34:57 | 11h 6m 54s |
| 11 | Friday | 06:28:38 | 12:01:57 | 17:35:16 | 11h 6m 38s |
| 12 | Saturday | 06:29:12 | 12:02:25 | 17:35:37 | 11h 6m 25s |
| 13 | Sunday | 06:29:47 | 12:02:53 | 17:35:59 | 11h 6m 12s |
| 14 | Monday | 06:30:20 | 12:03:21 | 17:36:22 | 11h 6m 2s |
| 15 | Tuesday | 06:30:54 | 12:03:50 | 17:36:46 | 11h 5m 52s |
| 16 | Wednesday | 06:31:27 | 12:04:19 | 17:37:10 | 11h 5m 43s |
| 17 | Thursday | 06:32:00 | 12:04:48 | 17:37:36 | 11h 5m 36s |
| 18 | Friday | 06:32:32 | 12:05:17 | 17:38:02 | 11h 5m 30s |
| 19 | Saturday | 06:33:04 | 12:05:47 | 17:38:30 | 11h 5m 26s |
| 20 | Sunday | 06:33:35 | 12:06:17 | 17:38:58 | 11h 5m 23s |
| 21 | Monday | 06:34:06 | 12:06:46 | 17:39:27 | 11h 5m 21s |
| 22 | Tuesday | 06:34:36 | 12:07:16 | 17:39:57 | 11h 5m 21s |
| 23 | Wednesday | 06:35:05 | 12:07:46 | 17:40:27 | 11h 5m 22s |
| 24 | Thursday | 06:35:33 | 12:08:16 | 17:40:58 | 11h 5m 25s |
| 25 | Friday | 06:36:01 | 12:08:46 | 17:41:30 | 11h 5m 29s |
| 26 | Saturday | 06:36:28 | 12:09:15 | 17:42:02 | 11h 5m 34s |
| 27 | Sunday | 06:36:54 | 12:09:45 | 17:42:35 | 11h 5m 41s |
| 28 | Monday | 06:37:20 | 12:10:14 | 17:43:09 | 11h 5m 49s |
| 29 | Tuesday | 06:37:44 | 12:10:44 | 17:43:43 | 11h 5m 59s |
| 30 | Wednesday | 06:38:08 | 12:11:13 | 17:44:17 | 11h 6m 9s |
| 31 | Thursday | 06:38:31 | 12:11:41 | 17:44:52 | 11h 6m 21s |