Suisun City, Suisun Slough Sunrise & Sunset
Saturday, October 31 at Suisun City, Suisun Slough, California. There are 10h 37m of daylight, from sunrise at 7:33 AM to sunset at 6:10 PM.
The light today
From first light to last, local to Suisun City, Suisun Slough.
Daylight by month in Suisun City, Suisun Slough
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 | 7:24 AM | 5:12 PM | 9h 48m | |
| Feb | 6:59 AM | 5:47 PM | 10h 48m | |
| Mar | 7:20 AM | 7:15 PM | 11h 56m | |
| Apr | 6:33 AM | 7:44 PM | 13h 12m | |
| May | 5:57 AM | 8:12 PM | 14h 15m | |
| JunLongest | 5:44 AM | 8:33 PM | 14h 49m | |
| Jul | 5:57 AM | 8:31 PM | 14h 34m | |
| Aug | 6:23 AM | 8:02 PM | 13h 39m | |
| Sep | 6:50 AM | 7:16 PM | 12h 27m | |
| Oct | 7:17 AM | 6:30 PM | 11h 14m | |
| Nov | 6:49 AM | 4:56 PM | 10h 07m | |
| DecShortest | 7:18 AM | 4:49 PM | 9h 31m |
Longest day around June 21 (14h 50m), shortest around December 21 (9h 30m). That is a swing of 5h 20m 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 Suisun City, Suisun Slough
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 Suisun City, Suisun Slough’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. Suisun City, Suisun Slough runs from about 9h 30m at the shortest day to 14h 50m 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 Suisun City, Suisun Slough tide chart and marine forecast before you head out.
Frequently asked
What time is sunrise and sunset in Suisun City, Suisun Slough today?+
On Saturday, October 31, the sun rises at 7:33 AM and sets at 6:10 PM at Suisun City, Suisun Slough, California. First light (dawn) is around 7:06 AM and last light (dusk) is around 6:37 PM.
How many hours of daylight does Suisun City, Suisun Slough get today?+
Saturday, October 31 has 10h 37m of daylight at Suisun City, Suisun Slough. The days are getting shorter by about 2 minutes a day right now.
When is the longest and shortest day of the year in Suisun City, Suisun Slough?+
The longest day at Suisun City, Suisun Slough is around June 21 with 14h 50m of daylight, and the shortest is around December 21 with 9h 30m. That is a swing of 5h 20m 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 12:52 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 Suisun City, Suisun Slough's exact coordinates (38.237°, -122.030°) 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.
Bridge clearances near Suisun City, Suisun Slough
Vertical clearance and drawbridge opening schedules for the bridges closest to Suisun City, Suisun Slough. Check them against your air draft before you head out.

