Sunrise and Sunsetat Grand Coulee Dam
Today
Saturday, 13 September 2025
Sunrise
8:31 AM
Sunset
9:12 PM
On 13 September, the sun rises at 8:31 AM and sets at 9:12 PM.
The sun is 12 hours 40 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 6:43 AM and at 10:59 PM it is completely dark (the end of astronomical twilight).
The sun is 12 hours 40 minutes above the horizon (the length of the day).
Astronomical dawn (first rays of light) begins at 6:43 AM and at 10:59 PM it is completely dark (the end of astronomical twilight).
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| 1 September 2025, Monday | 8:14 AM | 9:36 PM | 13h 21m |
| 2 September 2025, Tuesday | 8:16 AM | 9:34 PM | 13h 18m |
| 3 September 2025, Wednesday | 8:17 AM | 9:32 PM | 13h 14m |
| 4 September 2025, Thursday | 8:18 AM | 9:30 PM | 13h 11m |
| 5 September 2025, Friday | 8:20 AM | 9:28 PM | 13h 08m |
| 6 September 2025, Saturday | 8:21 AM | 9:26 PM | 13h 04m |
| 7 September 2025, Sunday | 8:23 AM | 9:24 PM | 13h 01m |
| 8 September 2025, Monday | 8:24 AM | 9:22 PM | 12h 58m |
| 9 September 2025, Tuesday | 8:25 AM | 9:20 PM | 12h 54m |
| 10 September 2025, Wednesday | 8:27 AM | 9:18 PM | 12h 51m |
| 11 September 2025, Thursday | 8:28 AM | 9:16 PM | 12h 47m |
| 12 September 2025, Friday | 8:29 AM | 9:14 PM | 12h 44m |
| 13 September 2025, Saturday | 8:31 AM | 9:12 PM | 12h 40m |
| 14 September 2025, Sunday | 8:32 AM | 9:10 PM | 12h 37m |
| 15 September 2025, Monday | 8:33 AM | 9:07 PM | 12h 34m |
| 16 September 2025, Tuesday | 8:35 AM | 9:05 PM | 12h 30m |
| 17 September 2025, Wednesday | 8:36 AM | 9:03 PM | 12h 27m |
| 18 September 2025, Thursday | 8:38 AM | 9:01 PM | 12h 23m |
| 19 September 2025, Friday | 8:39 AM | 8:59 PM | 12h 20m |
| 20 September 2025, Saturday | 8:40 AM | 8:57 PM | 12h 16m |
| 21 September 2025, Sunday | 8:42 AM | 8:55 PM | 12h 13m |
| 22 September 2025, Monday | 8:43 AM | 8:53 PM | 12h 09m |
| 23 September 2025, Tuesday | 8:44 AM | 8:51 PM | 12h 06m |
| 24 September 2025, Wednesday | 8:46 AM | 8:49 PM | 12h 03m |
| 25 September 2025, Thursday | 8:47 AM | 8:47 PM | 11h 59m |
| 26 September 2025, Friday | 8:49 AM | 8:45 PM | 11h 56m |
| 27 September 2025, Saturday | 8:50 AM | 8:43 PM | 11h 52m |
| 28 September 2025, Sunday | 8:51 AM | 8:40 PM | 11h 49m |
| 29 September 2025, Monday | 8:53 AM | 8:38 PM | 11h 45m |
| 30 September 2025, Tuesday | 8:54 AM | 8:36 PM | 11h 42m |