Unalaska / Dutch Harbor, Alaska
Sunday, January 31, 2027
Sunrise
9:54 am AKST
Sunset
6:45 pm AKST
Daylight
8 hr 52 min
+4 min longer than yesterday
Solar noon
2:19 pm AKST
Civil twilight
9:15 am – 7:24 pm
Usable light for most outdoor activity
Nautical twilight
8:32 am – 8:07 pm
Horizon visible at sea
Astronomical twilight
7:51 am – 8:48 pm
Faintest stars visible
Moon
Waning Crescent · 27% lit · Moonrise 6:28 am · Moonset 12:53 pm
This day in context
Day length rank
#283 of 365 days in 2027
Share of the longest day
52% — the longest day here is 17 hr 7 min
Golden hour
9:54 am–10:50 am and 5:49 pm–6:45 pm
Blue hour
9:15 am–9:30 am and 7:09 pm–7:24 pm
Sun at solar noon
18.9° above the horizon
True darkness
11 hr 2 min tonight
Week at a glance
| Day | Sunrise | Sunset | Daylight | Change |
|---|---|---|---|---|
| Thu Jan 28 | 9:59 am | 6:40 pm | 8 hr 41 min | +4 min |
| Fri Jan 29 | 9:57 am | 6:41 pm | 8 hr 44 min | +4 min |
| Sat Jan 30 | 9:56 am | 6:43 pm | 8 hr 48 min | +4 min |
| Sun Jan 31 | 9:54 am | 6:45 pm | 8 hr 52 min | +4 min |
| Mon Feb 1 | 9:52 am | 6:47 pm | 8 hr 55 min | +4 min |
| Tue Feb 2 | 9:50 am | 6:49 pm | 8 hr 59 min | +4 min |
| Wed Feb 3 | 9:49 am | 6:51 pm | 9 hr 3 min | +4 min |