sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Thành Phố Hạ Long, Vietnam (Quảng Ninh), for period: May 2026. Longest day in month: May 2026: 13 hours, 18 minutes, 48 seconds (2026-05-31). Shortest day in this month: 12 hours, 54 minutes , 56 seconds (2026-05-01).
:May 2026, Solar noon=>Altitude: maximal 89.9° (2026-05-25, 11:48:38). minimal: 83.99° (2026-05-01, 11:48:50)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Friday | 05:21:22 | 11:48:50 | 18:16:18 | 12h 54m 56s |
| 02 | Saturday | 05:20:45 | 11:48:43 | 18:16:42 | 12h 55m 57s |
| 03 | Sunday | 05:20:09 | 11:48:37 | 18:17:05 | 12h 56m 56s |
| 04 | Monday | 05:19:33 | 11:48:31 | 18:17:29 | 12h 57m 56s |
| 05 | Tuesday | 05:18:59 | 11:48:26 | 18:17:53 | 12h 58m 54s |
| 06 | Wednesday | 05:18:25 | 11:48:21 | 18:18:17 | 12h 59m 52s |
| 07 | Thursday | 05:17:53 | 11:48:17 | 18:18:41 | 13h 0m 48s |
| 08 | Friday | 05:17:21 | 11:48:13 | 18:19:05 | 13h 1m 44s |
| 09 | Saturday | 05:16:50 | 11:48:10 | 18:19:30 | 13h 2m 40s |
| 10 | Sunday | 05:16:21 | 11:48:08 | 18:19:55 | 13h 3m 34s |
| 11 | Monday | 05:15:52 | 11:48:06 | 18:20:19 | 13h 4m 27s |
| 12 | Tuesday | 05:15:24 | 11:48:04 | 18:20:45 | 13h 5m 21s |
| 13 | Wednesday | 05:14:57 | 11:48:04 | 18:21:10 | 13h 6m 13s |
| 14 | Thursday | 05:14:32 | 11:48:03 | 18:21:35 | 13h 7m 3s |
| 15 | Friday | 05:14:07 | 11:48:04 | 18:22:00 | 13h 7m 53s |
| 16 | Saturday | 05:13:43 | 11:48:05 | 18:22:26 | 13h 8m 43s |
| 17 | Sunday | 05:13:21 | 11:48:06 | 18:22:51 | 13h 9m 30s |
| 18 | Monday | 05:12:59 | 11:48:08 | 18:23:17 | 13h 10m 18s |
| 19 | Tuesday | 05:12:39 | 11:48:11 | 18:23:43 | 13h 11m 4s |
| 20 | Wednesday | 05:12:19 | 11:48:14 | 18:24:08 | 13h 11m 49s |
| 21 | Thursday | 05:12:01 | 11:48:18 | 18:24:34 | 13h 12m 33s |
| 22 | Friday | 05:11:44 | 11:48:22 | 18:25:00 | 13h 13m 16s |
| 23 | Saturday | 05:11:28 | 11:48:27 | 18:25:25 | 13h 13m 57s |
| 24 | Sunday | 05:11:13 | 11:48:32 | 18:25:51 | 13h 14m 38s |
| 25 | Monday | 05:10:59 | 11:48:38 | 18:26:16 | 13h 15m 17s |
| 26 | Tuesday | 05:10:46 | 11:48:44 | 18:26:42 | 13h 15m 56s |
| 27 | Wednesday | 05:10:34 | 11:48:51 | 18:27:07 | 13h 16m 33s |
| 28 | Thursday | 05:10:24 | 11:48:58 | 18:27:32 | 13h 17m 8s |
| 29 | Friday | 05:10:14 | 11:49:06 | 18:27:57 | 13h 17m 43s |
| 30 | Saturday | 05:10:06 | 11:49:14 | 18:28:22 | 13h 18m 16s |
| 31 | Sunday | 05:09:58 | 11:49:22 | 18:28:46 | 13h 18m 48s |