Sunrise, sunset, moonrise and moonset worldwide / United States
Sunrise, sunset, moonrise and moonset in Boulder
2026-08-18 Tuesday (Today)
- Sunrise
- 06:08
- Sunset
- 20:00
- Moonrise
- 12:42
- Moonset
- 22:48
Month: August 2026
- Earliest sunrise this month
- 01 05:51
- Latest sunset this month
- 01 20:21
- Longest day this month
- 01 14h 30m
- Shortest day this month
- 31 13h 21m
| Date | Weekday | Sunrise | Sunset | Day length | Moonrise | Moonset |
|---|---|---|---|---|---|---|
| 01 | SaturdaySat | 05:51 | 20:21 | 14h 30m | 21:43 | 09:07 |
| 02 | SundaySun | 05:52 | 20:20 | 14h 28m | 22:05 | 10:12 |
| 03 | MondayMon | 05:53 | 20:19 | 14h 26m | 22:28 | 11:18 |
| 04 | TuesdayTue | 05:54 | 20:18 | 14h 24m | 22:54 | 12:27 |
| 05 | WednesdayWed | 05:55 | 20:17 | 14h 22m | 23:25 | 13:40 |
| 06 | ThursdayThu | 05:56 | 20:16 | 14h 20m | 14:55 | |
| 07 | FridayFri | 05:57 | 20:15 | 14h 18m | 00:04 | 16:10 |
| 08 | SaturdaySat | 05:58 | 20:13 | 14h 15m | 00:54 | 17:20 |
| 09 | SundaySun | 05:59 | 20:12 | 14h 13m | 01:56 | 18:20 |
| 10 | MondayMon | 06:00 | 20:11 | 14h 11m | 03:10 | 19:09 |
| 11 | TuesdayTue | 06:01 | 20:10 | 14h 9m | 04:29 | 19:47 |
| 12 | WednesdayWed | 06:02 | 20:08 | 14h 6m | 05:48 | 20:18 |
| 13 | ThursdayThu | 06:03 | 20:07 | 14h 4m | 07:04 | 20:44 |
| 14 | FridayFri | 06:04 | 20:06 | 14h 2m | 08:16 | 21:08 |
| 15 | SaturdaySat | 06:05 | 20:04 | 13h 59m | 09:25 | 21:31 |
| 16 | SundaySun | 06:06 | 20:03 | 13h 57m | 10:32 | 21:54 |
| 17 | MondayMon | 06:07 | 20:02 | 13h 55m | 11:37 | 22:19 |
| 18 | TuesdayTue | 06:08 | 20:00 | 13h 52m | 12:42 | 22:48 |
| 19 | WednesdayWed | 06:09 | 19:59 | 13h 50m | 13:46 | 23:21 |
| 20 | ThursdayThu | 06:10 | 19:57 | 13h 47m | 14:48 | |
| 21 | FridayFri | 06:11 | 19:56 | 13h 45m | 15:45 | 00:00 |
| 22 | SaturdaySat | 06:12 | 19:54 | 13h 42m | 16:37 | 00:47 |
| 23 | SundaySun | 06:13 | 19:53 | 13h 40m | 17:22 | 01:40 |
| 24 | MondayMon | 06:13 | 19:51 | 13h 38m | 18:01 | 02:39 |
| 25 | TuesdayTue | 06:14 | 19:50 | 13h 36m | 18:33 | 03:42 |
| 26 | WednesdayWed | 06:15 | 19:48 | 13h 33m | 19:01 | 04:47 |
| 27 | ThursdayThu | 06:16 | 19:47 | 13h 31m | 19:25 | 05:52 |
| 28 | FridayFri | 06:17 | 19:45 | 13h 28m | 19:48 | 06:57 |
| 29 | SaturdaySat | 06:18 | 19:44 | 13h 26m | 20:10 | 08:02 |
| 30 | SundaySun | 06:19 | 19:42 | 13h 23m | 20:33 | 09:09 |
| 31 | MondayMon | 06:20 | 19:41 | 13h 21m | 20:58 | 10:18 |
Details
- 13h 52m
- 13:05
- 05:45
- 20:22
- 05:10
- 20:57
- 04:33
- 21:34
- 19:17
- 109°
- 251°
- 63°
- 1.012 AU
- 395,718 km
- Waxing crescent (35%)
- Time zone
- America/Denver
- UTC offset
- UTC-6
- Latitude
- 40.015
- Longitude
- -105.2706
- Altitude
- 1624m
Computed from the city latitude, longitude, and altitude. Official clocks can differ by about a minute.