sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Vĩnh Yên, Vietnam (Vĩnh Phúc), for period: December 2026. Longest day in month: December 2026: 10 hours, 56 minutes, 12 seconds (2026-12-01). Shortest day in this month: 10 hours, 50 minutes , 13 seconds (2026-12-21).
:December 2026, Solar noon=>Altitude: maximal 46.96° (2026-12-01, 11:46:29). minimal: 45.25° (2026-12-22, 11:55:59)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:18:23 | 11:46:29 | 17:14:35 | 10h 56m 12s |
| 02 | Wednesday | 06:19:02 | 11:46:51 | 17:14:41 | 10h 55m 39s |
| 03 | Thursday | 06:19:41 | 11:47:15 | 17:14:48 | 10h 55m 7s |
| 04 | Friday | 06:20:20 | 11:47:39 | 17:14:57 | 10h 54m 37s |
| 05 | Saturday | 06:20:59 | 11:48:03 | 17:15:07 | 10h 54m 8s |
| 06 | Sunday | 06:21:37 | 11:48:28 | 17:15:19 | 10h 53m 42s |
| 07 | Monday | 06:22:15 | 11:48:53 | 17:15:32 | 10h 53m 17s |
| 08 | Tuesday | 06:22:53 | 11:49:19 | 17:15:46 | 10h 52m 53s |
| 09 | Wednesday | 06:23:31 | 11:49:46 | 17:16:01 | 10h 52m 30s |
| 10 | Thursday | 06:24:08 | 11:50:13 | 17:16:18 | 10h 52m 10s |
| 11 | Friday | 06:24:45 | 11:50:40 | 17:16:36 | 10h 51m 51s |
| 12 | Saturday | 06:25:21 | 11:51:08 | 17:16:55 | 10h 51m 34s |
| 13 | Sunday | 06:25:57 | 11:51:36 | 17:17:15 | 10h 51m 18s |
| 14 | Monday | 06:26:32 | 11:52:04 | 17:17:36 | 10h 51m 4s |
| 15 | Tuesday | 06:27:07 | 11:52:33 | 17:17:59 | 10h 50m 52s |
| 16 | Wednesday | 06:27:41 | 11:53:02 | 17:18:23 | 10h 50m 42s |
| 17 | Thursday | 06:28:15 | 11:53:31 | 17:18:47 | 10h 50m 32s |
| 18 | Friday | 06:28:48 | 11:54:01 | 17:19:13 | 10h 50m 25s |
| 19 | Saturday | 06:29:20 | 11:54:30 | 17:19:40 | 10h 50m 20s |
| 20 | Sunday | 06:29:52 | 11:55:00 | 17:20:08 | 10h 50m 16s |
| 21 | Monday | 06:30:23 | 11:55:30 | 17:20:36 | 10h 50m 13s |
| 22 | Tuesday | 06:30:53 | 11:55:59 | 17:21:06 | 10h 50m 13s |
| 23 | Wednesday | 06:31:22 | 11:56:29 | 17:21:37 | 10h 50m 15s |
| 24 | Thursday | 06:31:50 | 11:56:59 | 17:22:08 | 10h 50m 18s |
| 25 | Friday | 06:32:17 | 11:57:29 | 17:22:40 | 10h 50m 23s |
| 26 | Saturday | 06:32:44 | 11:57:59 | 17:23:13 | 10h 50m 29s |
| 27 | Sunday | 06:33:09 | 11:58:28 | 17:23:47 | 10h 50m 38s |
| 28 | Monday | 06:33:33 | 11:58:58 | 17:24:22 | 10h 50m 49s |
| 29 | Tuesday | 06:33:57 | 11:59:27 | 17:24:57 | 10h 51m 0s |
| 30 | Wednesday | 06:34:19 | 11:59:56 | 17:25:33 | 10h 51m 14s |
| 31 | Thursday | 06:34:40 | 12:00:25 | 17:26:09 | 10h 51m 29s |