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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 06:56 17:35 10:39   06:28 18:03 11:35  
+1 day 06:55 17:36 10:41 00:02 longer 06:27 18:04 11:37 00:02 longer
+1 week 06:47 17:43 10:56 00:17 longer 06:19 18:11 11:52 00:17 longer
+2 weeks 06:37 17:51 11:14 00:35 longer 06:09 18:19 12:10 00:35 longer
+1 month 07:12 19:09 11:57 01:18 longer 06:45 19:36 12:51 01:16 longer
+2 months 06:24 19:39 13:15 02:36 longer 05:56 20:07 14:11 02:36 longer
+3 months 05:46 20:09 14:23 03:44 longer 05:16 20:40 15:24 03:49 longer
+6 months 06:12 19:58 13:46 03:07 longer 05:43 20:27 14:44 03:09 longer
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: 01:37
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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