Castle Islands, Duncan Canal Sunrise & Sunset
Saturday, October 31 at Castle Islands, Duncan Canal, Alaska. There are 9h 12m of daylight, from sunrise at 7:59 AM to sunset at 5:12 PM.
The light today
From first light to last, local to Castle Islands, Duncan Canal.
Daylight by month in Castle Islands, Duncan Canal
How sunrise, sunset, and the length of the day change across 2026 at this latitude. Times are for the 15th of each month.
| Month | Sunrise | Sunset | Daylight | |
|---|---|---|---|---|
| Jan | 8:18 AM | 3:47 PM | 7h 30m | |
| Feb | 7:20 AM | 4:55 PM | 9h 35m | |
| Mar | 7:08 AM | 6:56 PM | 11h 48m | |
| Apr | 5:46 AM | 8:01 PM | 14h 15m | |
| May | 4:36 AM | 9:03 PM | 16h 27m | |
| JunLongest | 4:01 AM | 9:46 PM | 17h 45m | |
| Jul | 4:23 AM | 9:33 PM | 17h 10m | |
| Aug | 5:21 AM | 8:32 PM | 15h 11m | |
| Sep | 6:23 AM | 7:11 PM | 12h 47m | |
| Oct | 7:25 AM | 5:51 PM | 10h 26m | |
| Nov | 7:32 AM | 3:41 PM | 8h 09m | |
| DecShortest | 8:22 AM | 3:13 PM | 6h 51m |
Longest day around June 21 (17h 48m), shortest around December 21 (6h 48m). That is a swing of 11h 00m across the year.
Time your day on the water
Sunrise, tides, and the day's conditions worth knowing for your spots, plus the occasional Pathr update. No spam.
Sunrise, sunset & daylight at Castle Islands, Duncan Canal
On the water, the light runs the day. First light is when you can start to see the channel; the hour after sunrise and the hour before sunset is the soft golden light anglers and photographers wait for; and last light is your deadline to be back on the mooring. The times on this page are calculated for Castle Islands, Duncan Canal’s exact position and follow the local clock, daylight saving included.
Daylight is not fixed. It swings with the season, and how far it swings depends on latitude. Castle Islands, Duncan Canal runs from about 6h 48m at the shortest day to 17h 48m at the longest. Plan an early start against first light, line up the evening bite with the golden hour and sunset, and cross-check the Castle Islands, Duncan Canal tide chart and marine forecast before you head out.
Frequently asked
What time is sunrise and sunset in Castle Islands, Duncan Canal today?+
On Saturday, October 31, the sun rises at 7:59 AM and sets at 5:12 PM at Castle Islands, Duncan Canal, Alaska. First light (dawn) is around 7:19 AM and last light (dusk) is around 5:52 PM.
How many hours of daylight does Castle Islands, Duncan Canal get today?+
Saturday, October 31 has 9h 12m of daylight at Castle Islands, Duncan Canal. The days are getting shorter by about 5 minutes a day right now.
When is the longest and shortest day of the year in Castle Islands, Duncan Canal?+
The longest day at Castle Islands, Duncan Canal is around June 21 with 17h 48m of daylight, and the shortest is around December 21 with 6h 48m. That is a swing of 11h 00m across the year.
What is first light, golden hour, and solar noon?+
First light (civil dawn) is when the sky brightens enough to see, about 30 minutes before sunrise. Golden hour is the soft, low-angle light right after sunrise and right before sunset. Solar noon is when the sun is highest, at 12:36 PM today. These matter for planning a dawn departure, a photo, or the evening bite.
Are these sunrise and sunset times accurate?+
Yes. They are calculated to the minute for Castle Islands, Duncan Canal's exact coordinates (56.643°, -133.152°) using the standard astronomical equations NOAA's own solar calculator uses, and they follow the local time zone including daylight saving. Times are for a flat sea horizon; hills or headlands can shift the real moment a little.
Pathr nautical charts
Explore sunrise and sunset on the chart
Select a coastal location on Pathr’s nautical chart for sunrise, sunset, daylight and golden hour, calculated for that spot’s coordinates and local time.

