sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Vientiane, Laos (Vientiane Prefecture), for period: September 2026. Longest day in month: September 2026: 12 hours, 28 minutes, 49 seconds (2026-09-01). Shortest day in this month: 11 hours, 59 minutes , 52 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 80.47° (2026-09-01, 12:09:41). minimal: 69.41° (2026-09-30, 11:59:40)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 05:55:17 | 12:09:41 | 18:24:06 | 12h 28m 49s |
| 02 | Wednesday | 05:55:27 | 12:09:22 | 18:23:18 | 12h 27m 51s |
| 03 | Thursday | 05:55:36 | 12:09:03 | 18:22:29 | 12h 26m 53s |
| 04 | Friday | 05:55:46 | 12:08:43 | 18:21:40 | 12h 25m 54s |
| 05 | Saturday | 05:55:55 | 12:08:23 | 18:20:51 | 12h 24m 56s |
| 06 | Sunday | 05:56:05 | 12:08:03 | 18:20:01 | 12h 23m 56s |
| 07 | Monday | 05:56:14 | 12:07:42 | 18:19:11 | 12h 22m 57s |
| 08 | Tuesday | 05:56:23 | 12:07:22 | 18:18:21 | 12h 21m 58s |
| 09 | Wednesday | 05:56:32 | 12:07:01 | 18:17:30 | 12h 20m 58s |
| 10 | Thursday | 05:56:41 | 12:06:40 | 18:16:39 | 12h 19m 58s |
| 11 | Friday | 05:56:50 | 12:06:19 | 18:15:48 | 12h 18m 58s |
| 12 | Saturday | 05:56:58 | 12:05:58 | 18:14:57 | 12h 17m 59s |
| 13 | Sunday | 05:57:07 | 12:05:37 | 18:14:06 | 12h 16m 59s |
| 14 | Monday | 05:57:16 | 12:05:15 | 18:13:15 | 12h 15m 59s |
| 15 | Tuesday | 05:57:24 | 12:04:54 | 18:12:23 | 12h 14m 59s |
| 16 | Wednesday | 05:57:33 | 12:04:32 | 18:11:32 | 12h 13m 59s |
| 17 | Thursday | 05:57:42 | 12:04:11 | 18:10:40 | 12h 12m 58s |
| 18 | Friday | 05:57:51 | 12:03:50 | 18:09:49 | 12h 11m 58s |
| 19 | Saturday | 05:57:59 | 12:03:28 | 18:08:57 | 12h 10m 58s |
| 20 | Sunday | 05:58:08 | 12:03:07 | 18:08:05 | 12h 9m 57s |
| 21 | Monday | 05:58:17 | 12:02:45 | 18:07:14 | 12h 8m 57s |
| 22 | Tuesday | 05:58:26 | 12:02:24 | 18:06:22 | 12h 7m 56s |
| 23 | Wednesday | 05:58:35 | 12:02:03 | 18:05:31 | 12h 6m 56s |
| 24 | Thursday | 05:58:44 | 12:01:42 | 18:04:40 | 12h 5m 56s |
| 25 | Friday | 05:58:54 | 12:01:21 | 18:03:48 | 12h 4m 54s |
| 26 | Saturday | 05:59:03 | 12:01:00 | 18:02:57 | 12h 3m 54s |
| 27 | Sunday | 05:59:13 | 12:00:40 | 18:02:07 | 12h 2m 54s |
| 28 | Monday | 05:59:23 | 12:00:20 | 18:01:16 | 12h 1m 53s |
| 29 | Tuesday | 05:59:33 | 12:00:00 | 18:00:26 | 12h 0m 53s |
| 30 | Wednesday | 05:59:44 | 11:59:40 | 17:59:36 | 11h 59m 52s |