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Boulder, Colorado, United States - Sunrise, sunset, dawn and dusk times, table

Date Sunrise Sunset Length Change Dawn Dusk Length Change
Today 05:48 20:27 14:39   05:16 20:58 15:42  
+1 day 05:48 20:26 14:38 00:01 shorter 05:17 20:57 15:40 00:02 shorter
+1 week 05:54 20:21 14:27 00:12 shorter 05:23 20:52 15:29 00:13 shorter
+2 weeks 06:00 20:14 14:14 00:25 shorter 05:30 20:44 15:14 00:28 shorter
+1 month 06:15 19:54 13:39 01:00 shorter 05:46 20:23 14:37 01:05 shorter
+2 months 06:43 19:07 12:24 02:15 shorter 06:16 19:34 13:18 02:24 shorter
+3 months 07:13 18:19 11:06 03:33 shorter 06:46 18:47 12:01 03:41 shorter
+6 months 07:21 17:02 9:41 04:58 shorter 06:51 17:31 10:40 05:02 shorter
Notes: Daylight saving time, * = Next day. Change preferences.

Boulder, Colorado, United States - Sunrise, sunset, dawn and dusk times, graph

Boulder - sunrise, sunset, dawn and dusk times for the whole year in a graph
23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Darkness Dawn Sunshine Dusk Notes: How to read this graph? Change preferences.

Boulder, Colorado, United States - Sun path diagram

Boulder - Sun path diagram (solar path diagram, sun chart, solar chart)
Sun path
Today
June 21
December 21
Annual variation
Equinox (March and September)
Sunrise/sunset
Sunrise
Sunset
Time
00-02
03-05
06-08
09-11
12-14
15-17
18-20
21-23
Notes: = Daylight saving time, * = Next day. How to read this graph? Change preferences.

Boulder, Colorado, United States - Solar energy and surface meteorology

VariableIIIIIIIVVVIVIIVIIIIXXXIXII
Insolation, kWh/m²/day2.032.874.065.095.876.346.285.504.563.432.371.88
Clearness, 0 - 10.490.510.530.530.540.550.560.550.550.540.520.50
Temperature, °C-3.00-1.252.807.2713.0017.5520.7219.2914.958.400.90-3.31
Wind speed, m/s8.017.577.547.456.646.015.485.515.976.467.007.61
Precipitation, mm161940557851473640303019
Wet days, d5.55.98.88.310.48.79.49.26.95.25.66.1
These data were obtained from the NASA Langley Research Center Atmospheric Science Data Center; New et al. 2002
Notes: Help. Change preferences.

Boulder, Colorado, United States - Basic information

Latitude: +40.015 (40°00'54"N)
Longitude: -105.27 (105°16'12"W)
Time zone: UTC-7 hours
Local time: 11:39
Country: Colorado, United States
Continent: Americas
Sub-region: Northern America
Distance: ~1300 km (from your IP)
Altitude: ~1700 m
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Boulder
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