Biak Sunrise, Sunset and Moon in September 2026
Day length goes from 12 h 05 min on September 1 to 12 h 07 min on September 30. Sunrise moves from 5:53 AM to 5:42 AM and sunset from 5:58 PM to 5:49 PM.
Every day
Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.
| Date | Dawn | Sunrise | Sunset | Dusk | Golden hour | Full dark | Day length | Change | Moon | Moonrise | Moonset |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1 | 5:32 AM | 5:53 AM | 5:58 PM | 6:19 PM | 5:31 PM | 7:08 PM | 12 h 05 min | Waning gibbous, 83% | 9:09 PM | 8:40 AM | |
| Sep 2 | 5:32 AM | 5:53 AM | 5:58 PM | 6:19 PM | 5:31 PM | 7:07 PM | 12 h 05 min | +0.0 min | Waning gibbous, 74% | 10:02 PM | 9:30 AM |
| Sep 3 | 5:32 AM | 5:53 AM | 5:58 PM | 6:19 PM | 5:30 PM | 7:07 PM | 12 h 05 min | +0.0 min | Waning gibbous, 64% | 10:59 PM | 10:24 AM |
| Sep 4 | 5:31 AM | 5:52 AM | 5:58 PM | 6:18 PM | 5:30 PM | 7:07 PM | 12 h 06 min | +1.0 min | Last quarter 4:51 PM | 11:23 AM | |
| Sep 5 | 5:31 AM | 5:52 AM | 5:57 PM | 6:18 PM | 5:30 PM | 7:06 PM | 12 h 05 min | -1.0 min | Last quarter, 43% | 12:00 AM | 12:25 PM |
| Sep 6 | 5:31 AM | 5:51 AM | 5:57 PM | 6:18 PM | 5:29 PM | 7:06 PM | 12 h 06 min | +1.0 min | Waning crescent, 33% | 1:03 AM | 1:28 PM |
| Sep 7 | 5:30 AM | 5:51 AM | 5:57 PM | 6:17 PM | 5:29 PM | 7:06 PM | 12 h 06 min | +0.0 min | Waning crescent, 23% | 2:05 AM | 2:30 PM |
| Sep 8 | 5:30 AM | 5:51 AM | 5:56 PM | 6:17 PM | 5:29 PM | 7:05 PM | 12 h 05 min | -1.0 min | Waning crescent, 15% | 3:05 AM | 3:28 PM |
| Sep 9 | 5:30 AM | 5:50 AM | 5:56 PM | 6:17 PM | 5:29 PM | 7:05 PM | 12 h 06 min | +1.0 min | Waning crescent, 8% | 4:00 AM | 4:22 PM |
| Sep 10 | 5:29 AM | 5:50 AM | 5:56 PM | 6:16 PM | 5:28 PM | 7:05 PM | 12 h 06 min | +0.0 min | Waning crescent, 3% | 4:50 AM | 5:12 PM |
| Sep 11 | 5:29 AM | 5:50 AM | 5:55 PM | 6:16 PM | 5:28 PM | 7:04 PM | 12 h 05 min | -1.0 min | New moon 12:27 PM | 5:38 AM | 6:00 PM |
| Sep 12 | 5:28 AM | 5:49 AM | 5:55 PM | 6:16 PM | 5:28 PM | 7:04 PM | 12 h 06 min | +1.0 min | New moon, 0% | 6:23 AM | 6:46 PM |
| Sep 13 | 5:28 AM | 5:49 AM | 5:55 PM | 6:15 PM | 5:27 PM | 7:03 PM | 12 h 06 min | +0.0 min | Waxing crescent, 2% | 7:08 AM | 7:31 PM |
| Sep 14 | 5:28 AM | 5:48 AM | 5:54 PM | 6:15 PM | 5:27 PM | 7:03 PM | 12 h 06 min | +0.0 min | Waxing crescent, 6% | 7:53 AM | 8:17 PM |
| Sep 15 | 5:27 AM | 5:48 AM | 5:54 PM | 6:15 PM | 5:27 PM | 7:03 PM | 12 h 06 min | +0.0 min | Waxing crescent, 12% | 8:38 AM | 9:05 PM |
| Sep 16 | 5:27 AM | 5:48 AM | 5:54 PM | 6:14 PM | 5:26 PM | 7:02 PM | 12 h 06 min | +0.0 min | Waxing crescent, 19% | 9:26 AM | 9:54 PM |
| Sep 17 | 5:27 AM | 5:47 AM | 5:53 PM | 6:14 PM | 5:26 PM | 7:02 PM | 12 h 06 min | +0.0 min | Waxing crescent, 28% | 10:15 AM | 10:44 PM |
| Sep 18 | 5:26 AM | 5:47 AM | 5:53 PM | 6:14 PM | 5:26 PM | 7:02 PM | 12 h 06 min | +0.0 min | Waxing crescent, 38% | 11:06 AM | 11:36 PM |
| Sep 19 | 5:26 AM | 5:47 AM | 5:53 PM | 6:13 PM | 5:25 PM | 7:01 PM | 12 h 06 min | +0.0 min | First quarter 5:43 AM | 11:58 AM | |
| Sep 20 | 5:25 AM | 5:46 AM | 5:52 PM | 6:13 PM | 5:25 PM | 7:01 PM | 12 h 06 min | +0.0 min | First quarter, 59% | 12:49 PM | 12:27 AM |
| Sep 21 | 5:25 AM | 5:46 AM | 5:52 PM | 6:13 PM | 5:25 PM | 7:01 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 70% | 1:39 PM | 1:18 AM |
| Sep 22 | 5:25 AM | 5:45 AM | 5:52 PM | 6:12 PM | 5:24 PM | 7:00 PM | 12 h 07 min | +1.0 min | Waxing gibbous, 79% | 2:27 PM | 2:06 AM |
| Sep 23 | 5:24 AM | 5:45 AM | 5:51 PM | 6:12 PM | 5:24 PM | 7:00 PM | 12 h 06 min | -1.0 min | Waxing gibbous, 87% | 3:13 PM | 2:52 AM |
| Sep 24 | 5:24 AM | 5:45 AM | 5:51 PM | 6:12 PM | 5:24 PM | 7:00 PM | 12 h 06 min | +0.0 min | Waxing gibbous, 93% | 3:58 PM | 3:37 AM |
| Sep 25 | 5:24 AM | 5:44 AM | 5:51 PM | 6:11 PM | 5:23 PM | 6:59 PM | 12 h 07 min | +1.0 min | Waxing gibbous, 97% | 4:43 PM | 4:21 AM |
| Sep 26 | 5:23 AM | 5:44 AM | 5:51 PM | 6:11 PM | 5:23 PM | 6:59 PM | 12 h 07 min | +0.0 min | Full moon, 100% | 5:28 PM | 5:04 AM |
| Sep 27 | 5:23 AM | 5:43 AM | 5:50 PM | 6:11 PM | 5:23 PM | 6:59 PM | 12 h 07 min | +0.0 min | Full moon 1:49 AM | 6:14 PM | 5:49 AM |
| Sep 28 | 5:22 AM | 5:43 AM | 5:50 PM | 6:11 PM | 5:23 PM | 6:59 PM | 12 h 07 min | +0.0 min | Waning gibbous, 97% | 7:03 PM | 6:35 AM |
| Sep 29 | 5:22 AM | 5:43 AM | 5:50 PM | 6:10 PM | 5:22 PM | 6:58 PM | 12 h 07 min | +0.0 min | Waning gibbous, 93% | 7:56 PM | 7:25 AM |
| Sep 30 | 5:22 AM | 5:42 AM | 5:49 PM | 6:10 PM | 5:22 PM | 6:58 PM | 12 h 07 min | +0.0 min | Waning gibbous, 87% | 8:53 PM | 8:19 AM |
Other months
More
Sources
Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.