sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Yên Bái, Vietnam , for period: September 2026. Longest day in month: September 2026: 12 hours, 33 minutes, 57 seconds (2026-09-01). Shortest day in this month: 11 hours, 58 minutes , 23 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 76.72° (2026-09-01, 12:00:27). minimal: 65.66° (2026-09-30, 11:50:25)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 05:43:28 | 12:00:27 | 18:17:25 | 12h 33m 57s |
| 02 | Wednesday | 05:43:45 | 12:00:07 | 18:16:30 | 12h 32m 45s |
| 03 | Thursday | 05:44:01 | 11:59:48 | 18:15:35 | 12h 31m 34s |
| 04 | Friday | 05:44:17 | 11:59:28 | 18:14:39 | 12h 30m 22s |
| 05 | Saturday | 05:44:34 | 11:59:08 | 18:13:43 | 12h 29m 9s |
| 06 | Sunday | 05:44:50 | 11:58:48 | 18:12:47 | 12h 27m 57s |
| 07 | Monday | 05:45:06 | 11:58:28 | 18:11:50 | 12h 26m 44s |
| 08 | Tuesday | 05:45:21 | 11:58:07 | 18:10:53 | 12h 25m 32s |
| 09 | Wednesday | 05:45:37 | 11:57:46 | 18:09:56 | 12h 24m 19s |
| 10 | Thursday | 05:45:53 | 11:57:26 | 18:08:58 | 12h 23m 5s |
| 11 | Friday | 05:46:08 | 11:57:04 | 18:08:00 | 12h 21m 52s |
| 12 | Saturday | 05:46:24 | 11:56:43 | 18:07:03 | 12h 20m 39s |
| 13 | Sunday | 05:46:40 | 11:56:22 | 18:06:04 | 12h 19m 24s |
| 14 | Monday | 05:46:55 | 11:56:01 | 18:05:06 | 12h 18m 11s |
| 15 | Tuesday | 05:47:11 | 11:55:39 | 18:04:08 | 12h 16m 57s |
| 16 | Wednesday | 05:47:26 | 11:55:18 | 18:03:09 | 12h 15m 43s |
| 17 | Thursday | 05:47:42 | 11:54:56 | 18:02:11 | 12h 14m 29s |
| 18 | Friday | 05:47:57 | 11:54:35 | 18:01:12 | 12h 13m 15s |
| 19 | Saturday | 05:48:13 | 11:54:14 | 18:00:14 | 12h 12m 1s |
| 20 | Sunday | 05:48:29 | 11:53:52 | 17:59:15 | 12h 10m 46s |
| 21 | Monday | 05:48:45 | 11:53:31 | 17:58:17 | 12h 9m 32s |
| 22 | Tuesday | 05:49:01 | 11:53:10 | 17:57:19 | 12h 8m 18s |
| 23 | Wednesday | 05:49:17 | 11:52:48 | 17:56:20 | 12h 7m 3s |
| 24 | Thursday | 05:49:33 | 11:52:27 | 17:55:22 | 12h 5m 49s |
| 25 | Friday | 05:49:49 | 11:52:07 | 17:54:24 | 12h 4m 35s |
| 26 | Saturday | 05:50:06 | 11:51:46 | 17:53:26 | 12h 3m 20s |
| 27 | Sunday | 05:50:22 | 11:51:25 | 17:52:28 | 12h 2m 6s |
| 28 | Monday | 05:50:39 | 11:51:05 | 17:51:31 | 12h 0m 52s |
| 29 | Tuesday | 05:50:56 | 11:50:45 | 17:50:34 | 11h 59m 38s |
| 30 | Wednesday | 05:51:14 | 11:50:25 | 17:49:37 | 11h 58m 23s |