sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-09-17.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-09-17
| Zone Type | Start | End | Length | |
| Night | 00:00:00 | 04:56:27 | 4h 56m 27s | |
| Astronomical Twilight | 04:56:27 | 05:20:29 | 24m 2s | |
| Nautical Twilight | 05:20:29 | 05:44:31 | 24m 2s | |
| Civil Twilight | 05:44:31 | 06:05:09 | 20m 38s | |
| Daylight | 06:05:09 | 18:12:28 | 12h 7m 19s | |
| Civil Twilight | 18:12:28 | 18:33:06 | 20m 38s | |
| Nautical Twilight | 18:33:06 | 18:57:08 | 24m 2s | |
| Astronomical Twilight | 18:57:08 | 19:21:10 | 24m 2s | |
| Night | 19:21:10 | 23:59:59 | 4h 38m 49s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-09-17.
| Sunrise | Solar noon | Sunset | |
| Time | 06:05:09 | 12:08:49 | 18:12:28 |
| Azimuth | 87.4° | 0° | 272.4° |
| Day Length | ![]() |
12h 7m 19s | ![]() |
Distance Earth-Sun (Center-to-center
12:00):
150 356 712 km93 427 329 mi
0°= North, 180°=South
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -85.1° | 331.1° |
| 100 | -76.7° | 71.3° |
| 200 | -62° | 81.3° |
| 300 | -47.2° | 84.4° |
| 400 | -32.2° | 85.9° |
| 500 | -17.2° | 86.8° |
| 600 | -2.3° | 87.4° |
| 700 | 12.7° | 87.8° |
| 800 | 27.7° | 88.1° |
| 900 | 42.7° | 88.2° |
| 1000 | 57.7° | 88° |
| 1100 | 72.7° | 87.1° |
| 1200 | 87.6° | 71.7° |
| 1300 | 77.3° | 273.6° |
| 1400 | 62.3° | 272° |
| 1500 | 47.3° | 271.7° |
| 1600 | 32.3° | 271.7° |
| 1700 | 17.4° | 271.9° |
| 1800 | 2.4° | 272.3° |
| 1900 | -12.6° | 272.8° |
| 2000 | -27.6° | 273.5° |
| 2100 | -42.6° | 274.6° |
| 2200 | -57.5° | 276.9° |
| 2300 | -72.3° | 282.7° |
| 2400 | -85.5° | 329.8° |