sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Thành Phố Hạ Long, Vietnam (Quảng Ninh), for period: December 2026. Longest day in month: December 2026: 10 hours, 57 minutes, 30 seconds (2026-12-01). Shortest day in this month: 10 hours, 51 minutes , 39 seconds (2026-12-22).
:December 2026, Solar noon=>Altitude: maximal 47.32° (2026-12-01, 11:40:36). minimal: 45.61° (2026-12-22, 11:50:07)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:11:51 | 11:40:36 | 17:09:21 | 10h 57m 30s |
| 02 | Wednesday | 06:12:30 | 11:40:59 | 17:09:28 | 10h 56m 58s |
| 03 | Thursday | 06:13:09 | 11:41:22 | 17:09:36 | 10h 56m 27s |
| 04 | Friday | 06:13:47 | 11:41:46 | 17:09:45 | 10h 55m 58s |
| 05 | Saturday | 06:14:26 | 11:42:10 | 17:09:55 | 10h 55m 29s |
| 06 | Sunday | 06:15:04 | 11:42:35 | 17:10:07 | 10h 55m 3s |
| 07 | Monday | 06:15:42 | 11:43:01 | 17:10:20 | 10h 54m 38s |
| 08 | Tuesday | 06:16:19 | 11:43:27 | 17:10:35 | 10h 54m 16s |
| 09 | Wednesday | 06:16:57 | 11:43:53 | 17:10:50 | 10h 53m 53s |
| 10 | Thursday | 06:17:34 | 11:44:20 | 17:11:07 | 10h 53m 33s |
| 11 | Friday | 06:18:10 | 11:44:48 | 17:11:25 | 10h 53m 15s |
| 12 | Saturday | 06:18:46 | 11:45:15 | 17:11:44 | 10h 52m 58s |
| 13 | Sunday | 06:19:22 | 11:45:43 | 17:12:05 | 10h 52m 43s |
| 14 | Monday | 06:19:58 | 11:46:12 | 17:12:26 | 10h 52m 28s |
| 15 | Tuesday | 06:20:32 | 11:46:41 | 17:12:49 | 10h 52m 17s |
| 16 | Wednesday | 06:21:06 | 11:47:09 | 17:13:13 | 10h 52m 7s |
| 17 | Thursday | 06:21:40 | 11:47:39 | 17:13:37 | 10h 51m 57s |
| 18 | Friday | 06:22:13 | 11:48:08 | 17:14:03 | 10h 51m 50s |
| 19 | Saturday | 06:22:45 | 11:48:38 | 17:14:30 | 10h 51m 45s |
| 20 | Sunday | 06:23:17 | 11:49:07 | 17:14:58 | 10h 51m 41s |
| 21 | Monday | 06:23:47 | 11:49:37 | 17:15:27 | 10h 51m 40s |
| 22 | Tuesday | 06:24:17 | 11:50:07 | 17:15:56 | 10h 51m 39s |
| 23 | Wednesday | 06:24:46 | 11:50:37 | 17:16:27 | 10h 51m 41s |
| 24 | Thursday | 06:25:15 | 11:51:06 | 17:16:58 | 10h 51m 43s |
| 25 | Friday | 06:25:42 | 11:51:36 | 17:17:30 | 10h 51m 48s |
| 26 | Saturday | 06:26:08 | 11:52:06 | 17:18:03 | 10h 51m 55s |
| 27 | Sunday | 06:26:34 | 11:52:36 | 17:18:37 | 10h 52m 3s |
| 28 | Monday | 06:26:58 | 11:53:05 | 17:19:12 | 10h 52m 14s |
| 29 | Tuesday | 06:27:22 | 11:53:34 | 17:19:47 | 10h 52m 25s |
| 30 | Wednesday | 06:27:44 | 11:54:03 | 17:20:22 | 10h 52m 38s |
| 31 | Thursday | 06:28:06 | 11:54:32 | 17:20:59 | 10h 52m 53s |