Sunrise & Sunset in Boulder
United States · America/Denver · Pop. 106,803
Today · Saturday, April 4, 2026
Sunrise
06:40 AM
Sunset
07:27 PM
Solar Noon
01:03 PM
Day Length
-12h 48m
Golden Hour
06:27 PM – 07:27 PM
Moon Phase
🌖 Waning Gibbous (95%)
Weather
☀️
3.7°C
Clear sky
Feels Like
-0.2°C
Humidity
67%
Wind
10 km/h
UV Index
0
7-Day Sun Forecast
| Date | Sunrise | Sunset | Day Length | Moon |
|---|---|---|---|---|
| Today | 06:40 AM | 07:27 PM | -12h 48m | 🌖 |
| Sat, Apr 4 | 06:38 AM | 07:28 PM | -12h 50m | 🌖 |
| Sun, Apr 5 | 06:36 AM | 07:29 PM | -12h 53m | 🌖 |
| Mon, Apr 6 | 06:35 AM | 07:30 PM | -12h 55m | 🌖 |
| Tue, Apr 7 | 06:33 AM | 07:31 PM | -12h 58m | 🌗 |
| Wed, Apr 8 | 06:32 AM | 07:32 PM | -11h 0m | 🌗 |
| Thu, Apr 9 | 06:30 AM | 07:33 PM | -11h 3m | 🌗 |
April 2026 — Day Length Calendar
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
-12h 40m
2
-12h 42m
3
-12h 45m
4
-12h 48m
5
-12h 50m
6
-12h 53m
7
-12h 55m
8
-12h 58m
9
-11h 0m
10
-11h 3m
11
-11h 6m
12
-11h 8m
13
-11h 11m
14
-11h 13m
15
-11h 16m
16
-11h 18m
17
-11h 21m
18
-11h 23m
19
-11h 26m
20
-11h 28m
21
-11h 31m
22
-11h 33m
23
-11h 35m
24
-11h 38m
25
-11h 40m
26
-11h 43m
27
-11h 45m
28
-11h 47m
29
-11h 49m
30
-11h 52m
Shorter days
Medium
Longer days