sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Sơn Tây, Vietnam (Ha Nội), for period: September 2026. Longest day in month: September 2026: 12 hours, 33 minutes, 8 seconds (2026-09-01). Shortest day in this month: 11 hours, 58 minutes , 37 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 77.3° (2026-09-01, 11:58:04). minimal: 66.24° (2026-09-30, 11:48:02)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 05:41:30 | 11:58:04 | 18:14:38 | 12h 33m 8s |
| 02 | Wednesday | 05:41:45 | 11:57:45 | 18:13:44 | 12h 31m 59s |
| 03 | Thursday | 05:42:00 | 11:57:25 | 18:12:50 | 12h 30m 50s |
| 04 | Friday | 05:42:16 | 11:57:05 | 18:11:55 | 12h 29m 39s |
| 05 | Saturday | 05:42:31 | 11:56:45 | 18:11:00 | 12h 28m 29s |
| 06 | Sunday | 05:42:46 | 11:56:25 | 18:10:05 | 12h 27m 19s |
| 07 | Monday | 05:43:01 | 11:56:05 | 18:09:09 | 12h 26m 8s |
| 08 | Tuesday | 05:43:15 | 11:55:44 | 18:08:13 | 12h 24m 58s |
| 09 | Wednesday | 05:43:30 | 11:55:24 | 18:07:17 | 12h 23m 47s |
| 10 | Thursday | 05:43:45 | 11:55:03 | 18:06:21 | 12h 22m 36s |
| 11 | Friday | 05:43:59 | 11:54:42 | 18:05:24 | 12h 21m 25s |
| 12 | Saturday | 05:44:14 | 11:54:20 | 18:04:27 | 12h 20m 13s |
| 13 | Sunday | 05:44:28 | 11:53:59 | 18:03:30 | 12h 19m 2s |
| 14 | Monday | 05:44:43 | 11:53:38 | 18:02:33 | 12h 17m 50s |
| 15 | Tuesday | 05:44:57 | 11:53:16 | 18:01:36 | 12h 16m 39s |
| 16 | Wednesday | 05:45:12 | 11:52:55 | 18:00:38 | 12h 15m 26s |
| 17 | Thursday | 05:45:26 | 11:52:34 | 17:59:41 | 12h 14m 15s |
| 18 | Friday | 05:45:41 | 11:52:12 | 17:58:44 | 12h 13m 3s |
| 19 | Saturday | 05:45:55 | 11:51:51 | 17:57:46 | 12h 11m 51s |
| 20 | Sunday | 05:46:10 | 11:51:29 | 17:56:49 | 12h 10m 39s |
| 21 | Monday | 05:46:25 | 11:51:08 | 17:55:51 | 12h 9m 26s |
| 22 | Tuesday | 05:46:39 | 11:50:47 | 17:54:54 | 12h 8m 15s |
| 23 | Wednesday | 05:46:54 | 11:50:26 | 17:53:57 | 12h 7m 3s |
| 24 | Thursday | 05:47:10 | 11:50:05 | 17:53:00 | 12h 5m 50s |
| 25 | Friday | 05:47:25 | 11:49:44 | 17:52:03 | 12h 4m 38s |
| 26 | Saturday | 05:47:40 | 11:49:23 | 17:51:06 | 12h 3m 26s |
| 27 | Sunday | 05:47:56 | 11:49:02 | 17:50:09 | 12h 2m 13s |
| 28 | Monday | 05:48:11 | 11:48:42 | 17:49:13 | 12h 1m 2s |
| 29 | Tuesday | 05:48:27 | 11:48:22 | 17:48:17 | 11h 59m 50s |
| 30 | Wednesday | 05:48:44 | 11:48:02 | 17:47:21 | 11h 58m 37s |