sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Seosan, South Korea (Chungcheongnam-do), for period: September 2026. Longest day in month: September 2026: 12 hours, 58 minutes, 40 seconds (2026-09-01). Shortest day in this month: 11 hours, 51 minutes , 51 seconds (2026-09-30).
:September 2026, Solar noon=>Altitude: maximal 61.68° (2026-09-01, 12:34:18). minimal: 50.62° (2026-09-30, 12:24:16)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 06:04:58 | 12:34:18 | 19:03:38 | 12h 58m 40s |
| 02 | Wednesday | 06:05:46 | 12:33:59 | 19:02:11 | 12h 56m 25s |
| 03 | Thursday | 06:06:35 | 12:33:39 | 19:00:44 | 12h 54m 9s |
| 04 | Friday | 06:07:23 | 12:33:20 | 18:59:17 | 12h 51m 54s |
| 05 | Saturday | 06:08:11 | 12:33:00 | 18:57:49 | 12h 49m 38s |
| 06 | Sunday | 06:08:58 | 12:32:40 | 18:56:21 | 12h 47m 23s |
| 07 | Monday | 06:09:46 | 12:32:19 | 18:54:52 | 12h 45m 6s |
| 08 | Tuesday | 06:10:34 | 12:31:59 | 18:53:23 | 12h 42m 49s |
| 09 | Wednesday | 06:11:22 | 12:31:38 | 18:51:54 | 12h 40m 32s |
| 10 | Thursday | 06:12:10 | 12:31:17 | 18:50:24 | 12h 38m 14s |
| 11 | Friday | 06:12:58 | 12:30:56 | 18:48:54 | 12h 35m 56s |
| 12 | Saturday | 06:13:46 | 12:30:35 | 18:47:24 | 12h 33m 38s |
| 13 | Sunday | 06:14:33 | 12:30:13 | 18:45:54 | 12h 31m 21s |
| 14 | Monday | 06:15:21 | 12:29:52 | 18:44:23 | 12h 29m 2s |
| 15 | Tuesday | 06:16:09 | 12:29:31 | 18:42:52 | 12h 26m 43s |
| 16 | Wednesday | 06:16:57 | 12:29:09 | 18:41:21 | 12h 24m 24s |
| 17 | Thursday | 06:17:45 | 12:28:48 | 18:39:50 | 12h 22m 5s |
| 18 | Friday | 06:18:33 | 12:28:26 | 18:38:19 | 12h 19m 46s |
| 19 | Saturday | 06:19:22 | 12:28:05 | 18:36:48 | 12h 17m 26s |
| 20 | Sunday | 06:20:10 | 12:27:44 | 18:35:17 | 12h 15m 7s |
| 21 | Monday | 06:20:58 | 12:27:22 | 18:33:46 | 12h 12m 48s |
| 22 | Tuesday | 06:21:47 | 12:27:01 | 18:32:15 | 12h 10m 28s |
| 23 | Wednesday | 06:22:36 | 12:26:40 | 18:30:44 | 12h 8m 8s |
| 24 | Thursday | 06:23:24 | 12:26:19 | 18:29:13 | 12h 5m 49s |
| 25 | Friday | 06:24:13 | 12:25:58 | 18:27:43 | 12h 3m 30s |
| 26 | Saturday | 06:25:02 | 12:25:37 | 18:26:12 | 12h 1m 10s |
| 27 | Sunday | 06:25:52 | 12:25:17 | 18:24:42 | 11h 58m 50s |
| 28 | Monday | 06:26:41 | 12:24:56 | 18:23:12 | 11h 56m 31s |
| 29 | Tuesday | 06:27:31 | 12:24:36 | 18:21:42 | 11h 54m 11s |
| 30 | Wednesday | 06:28:21 | 12:24:16 | 18:20:12 | 11h 51m 51s |