sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Dumai, Indonesia (Riau), for period: May 2026. Longest day in month: May 2026: 12 hours, 12 minutes, 41 seconds (2026-05-31). Shortest day in this month: 12 hours, 10 minutes , 37 seconds (2026-05-01).
:May 2026, Solar noon=>Altitude: maximal 76.72° (2026-05-01, 12:11:21). minimal: 69.81° (2026-05-31, 12:11:54)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Friday | 06:06:03 | 12:11:21 | 18:16:40 | 12h 10m 37s |
| 02 | Saturday | 06:05:53 | 12:11:14 | 18:16:36 | 12h 10m 43s |
| 03 | Sunday | 06:05:44 | 12:11:08 | 18:16:32 | 12h 10m 48s |
| 04 | Monday | 06:05:36 | 12:11:02 | 18:16:29 | 12h 10m 53s |
| 05 | Tuesday | 06:05:28 | 12:10:57 | 18:16:26 | 12h 10m 58s |
| 06 | Wednesday | 06:05:21 | 12:10:52 | 18:16:23 | 12h 11m 2s |
| 07 | Thursday | 06:05:14 | 12:10:48 | 18:16:22 | 12h 11m 8s |
| 08 | Friday | 06:05:08 | 12:10:44 | 18:16:20 | 12h 11m 12s |
| 09 | Saturday | 06:05:03 | 12:10:41 | 18:16:20 | 12h 11m 17s |
| 10 | Sunday | 06:04:58 | 12:10:39 | 18:16:19 | 12h 11m 21s |
| 11 | Monday | 06:04:54 | 12:10:37 | 18:16:20 | 12h 11m 26s |
| 12 | Tuesday | 06:04:50 | 12:10:36 | 18:16:21 | 12h 11m 31s |
| 13 | Wednesday | 06:04:47 | 12:10:35 | 18:16:22 | 12h 11m 35s |
| 14 | Thursday | 06:04:45 | 12:10:35 | 18:16:24 | 12h 11m 39s |
| 15 | Friday | 06:04:43 | 12:10:35 | 18:16:27 | 12h 11m 44s |
| 16 | Saturday | 06:04:42 | 12:10:36 | 18:16:30 | 12h 11m 48s |
| 17 | Sunday | 06:04:41 | 12:10:37 | 18:16:33 | 12h 11m 52s |
| 18 | Monday | 06:04:42 | 12:10:39 | 18:16:37 | 12h 11m 55s |
| 19 | Tuesday | 06:04:42 | 12:10:42 | 18:16:42 | 12h 12m 0s |
| 20 | Wednesday | 06:04:43 | 12:10:45 | 18:16:47 | 12h 12m 4s |
| 21 | Thursday | 06:04:45 | 12:10:49 | 18:16:53 | 12h 12m 8s |
| 22 | Friday | 06:04:48 | 12:10:53 | 18:16:59 | 12h 12m 11s |
| 23 | Saturday | 06:04:50 | 12:10:58 | 18:17:05 | 12h 12m 15s |
| 24 | Sunday | 06:04:54 | 12:11:03 | 18:17:12 | 12h 12m 18s |
| 25 | Monday | 06:04:58 | 12:11:09 | 18:17:20 | 12h 12m 22s |
| 26 | Tuesday | 06:05:03 | 12:11:15 | 18:17:28 | 12h 12m 25s |
| 27 | Wednesday | 06:05:08 | 12:11:22 | 18:17:36 | 12h 12m 28s |
| 28 | Thursday | 06:05:13 | 12:11:29 | 18:17:45 | 12h 12m 32s |
| 29 | Friday | 06:05:20 | 12:11:37 | 18:17:54 | 12h 12m 34s |
| 30 | Saturday | 06:05:26 | 12:11:45 | 18:18:04 | 12h 12m 38s |
| 31 | Sunday | 06:05:33 | 12:11:54 | 18:18:14 | 12h 12m 41s |