sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-10-21.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-10-21
| Zone Type | Start | End | Length | |
| Night | 00:00:00 | 04:46:52 | 4h 46m 52s | |
| Astronomical Twilight | 04:46:52 | 05:11:17 | 24m 25s | |
| Nautical Twilight | 05:11:17 | 05:35:43 | 24m 26s | |
| Civil Twilight | 05:35:43 | 05:56:41 | 20m 58s | |
| Daylight | 05:56:41 | 18:01:05 | 12h 4m 24s | |
| Civil Twilight | 18:01:05 | 18:22:03 | 20m 58s | |
| Nautical Twilight | 18:22:03 | 18:46:29 | 24m 26s | |
| Astronomical Twilight | 18:46:29 | 19:10:55 | 24m 26s | |
| Night | 19:10:55 | 23:59:59 | 4h 49m 4s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-10-21.
| Sunrise | Solar noon | Sunset | |
| Time | 05:56:41 | 11:58:53 | 18:01:05 |
| Azimuth | 100.4° | 180° | 259.4° |
| Day Length | ![]() |
12h 4m 24s | ![]() |
Distance Earth-Sun (Center-to-center
12:00):
148 915 418 km92 531 751 mi
0°= North, 180°=South
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -81.3° | 179° |
| 100 | -72.6° | 120.6° |
| 200 | -58.8° | 107.5° |
| 300 | -44.3° | 102.9° |
| 400 | -29.6° | 101° |
| 500 | -14.9° | 100.3° |
| 600 | -0.1° | 100.4° |
| 700 | 14.6° | 101.3° |
| 800 | 29.3° | 103° |
| 900 | 43.8° | 106.3° |
| 1000 | 57.9° | 112.9° |
| 1100 | 70.9° | 129.9° |
| 1200 | 77.8° | 180.8° |
| 1300 | 70.6° | 230.7° |
| 1400 | 57.6° | 247.2° |
| 1500 | 43.4° | 253.7° |
| 1600 | 28.9° | 256.9° |
| 1700 | 14.2° | 258.6° |
| 1800 | -0.5° | 259.4° |
| 1900 | -15.2° | 259.4° |
| 2000 | -30° | 258.7° |
| 2100 | -44.6° | 256.6° |
| 2200 | -59.1° | 251.8° |
| 2300 | -72.7° | 237.8° |
| 2400 | -81° | 178.8° |