sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Dien Bien Phu, Vietnam (Tỉnh Ðiện Biên), for period: May 2026. Longest day in month: May 2026: 13 hours, 20 minutes, 28 seconds (2026-05-31). Shortest day in this month: 12 hours, 56 minutes , 3 seconds (2026-05-01).
:May 2026, Solar noon=>Altitude: maximal 89.95° (2026-05-28, 12:05:10). minimal: 83.56° (2026-05-01, 12:05:02)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Friday | 05:37:01 | 12:05:02 | 18:33:04 | 12h 56m 3s |
| 02 | Saturday | 05:36:23 | 12:04:55 | 18:33:28 | 12h 57m 5s |
| 03 | Sunday | 05:35:46 | 12:04:49 | 18:33:52 | 12h 58m 6s |
| 04 | Monday | 05:35:10 | 12:04:43 | 18:34:16 | 12h 59m 6s |
| 05 | Tuesday | 05:34:35 | 12:04:38 | 18:34:41 | 13h 0m 6s |
| 06 | Wednesday | 05:34:00 | 12:04:33 | 18:35:06 | 13h 1m 6s |
| 07 | Thursday | 05:33:27 | 12:04:29 | 18:35:31 | 13h 2m 4s |
| 08 | Friday | 05:32:55 | 12:04:25 | 18:35:56 | 13h 3m 1s |
| 09 | Saturday | 05:32:23 | 12:04:22 | 18:36:21 | 13h 3m 58s |
| 10 | Sunday | 05:31:53 | 12:04:20 | 18:36:46 | 13h 4m 53s |
| 11 | Monday | 05:31:24 | 12:04:18 | 18:37:12 | 13h 5m 48s |
| 12 | Tuesday | 05:30:55 | 12:04:16 | 18:37:37 | 13h 6m 42s |
| 13 | Wednesday | 05:30:28 | 12:04:16 | 18:38:03 | 13h 7m 35s |
| 14 | Thursday | 05:30:02 | 12:04:15 | 18:38:29 | 13h 8m 27s |
| 15 | Friday | 05:29:37 | 12:04:16 | 18:38:55 | 13h 9m 18s |
| 16 | Saturday | 05:29:12 | 12:04:17 | 18:39:21 | 13h 10m 9s |
| 17 | Sunday | 05:28:49 | 12:04:18 | 18:39:47 | 13h 10m 58s |
| 18 | Monday | 05:28:27 | 12:04:20 | 18:40:13 | 13h 11m 46s |
| 19 | Tuesday | 05:28:06 | 12:04:23 | 18:40:40 | 13h 12m 34s |
| 20 | Wednesday | 05:27:46 | 12:04:26 | 18:41:06 | 13h 13m 20s |
| 21 | Thursday | 05:27:28 | 12:04:30 | 18:41:32 | 13h 14m 4s |
| 22 | Friday | 05:27:10 | 12:04:34 | 18:41:58 | 13h 14m 48s |
| 23 | Saturday | 05:26:53 | 12:04:39 | 18:42:24 | 13h 15m 31s |
| 24 | Sunday | 05:26:38 | 12:04:44 | 18:42:50 | 13h 16m 12s |
| 25 | Monday | 05:26:23 | 12:04:50 | 18:43:16 | 13h 16m 53s |
| 26 | Tuesday | 05:26:10 | 12:04:56 | 18:43:42 | 13h 17m 32s |
| 27 | Wednesday | 05:25:58 | 12:05:03 | 18:44:08 | 13h 18m 10s |
| 28 | Thursday | 05:25:47 | 12:05:10 | 18:44:33 | 13h 18m 46s |
| 29 | Friday | 05:25:37 | 12:05:18 | 18:44:58 | 13h 19m 21s |
| 30 | Saturday | 05:25:28 | 12:05:26 | 18:45:24 | 13h 19m 56s |
| 31 | Sunday | 05:25:20 | 12:05:34 | 18:45:48 | 13h 20m 28s |