Eureka
Sunrise and sunset in Eureka
Today’s sunrise, sunset and twilight in Eureka, in local time. At 40.8° N, the day lasts from 9 h 15 min at the winter solstice to 15 h 06 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:34, sunset at 18:27.
Day length 10 h 52 min, 2 min 33 s shorter than yesterday.
Solar noon at 13:01, with the Sun 38° above the horizon.
Times are Eureka time (PDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:03 | 19:58 |
| Nautical twilight | 06:34 | 19:26 |
| Civil twilight | 07:06 | 18:54 |
| Sunrise and sunset | 07:34 | 18:27 |
| Golden hour | 07:34–08:12 | 17:49–18:27 |
Each twilight begins at the morning time and ends at the evening one.
The year in Eureka
- Longest day: June 20, 15 h 06 min, from sunrise at 05:45 to sunset at 20:51.
- Shortest day: December 21, 9 h 15 min, from sunrise at 07:37 to sunset at 16:52.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:35 | 17:20 | 9 h 45 min |
| February 21 | 07:02 | 17:58 | 10 h 57 min |
| March 21 | 07:18 | 19:30 | 12 h 12 min |
| April 21 | 06:28 | 20:02 | 13 h 34 min |
| May 21 | 05:54 | 20:33 | 14 h 39 min |
| June 21 | 05:45 | 20:51 | 15 h 06 min |
| July 21 | 06:03 | 20:42 | 14 h 39 min |
| August 21 | 06:32 | 20:05 | 13 h 33 min |
| September 21 | 07:03 | 19:15 | 12 h 12 min |
| October 21 | 07:34 | 18:27 | 10 h 52 min |
| November 21 | 07:10 | 16:53 | 9 h 43 min |
| December 21 | 07:37 | 16:52 | 9 h 15 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 40.8° N, 124.2° W, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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