Boulder, Colorado - Sunrise, sunset, dawn and dusk times for the whole year

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

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

Variable	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII
Insolation, kWh/m²/day	2.03	2.87	4.06	5.09	5.87	6.34	6.28	5.50	4.56	3.43	2.37	1.88
Clearness, 0 - 1	0.49	0.51	0.53	0.53	0.54	0.55	0.56	0.55	0.55	0.54	0.52	0.50
Temperature, °C	-3.00	-1.25	2.80	7.27	13.00	17.55	20.72	19.29	14.95	8.40	0.90	-3.31
Wind speed, m/s	8.01	7.57	7.54	7.45	6.64	6.01	5.48	5.51	5.97	6.46	7.00	7.61
Precipitation, mm	16	19	40	55	78	51	47	36	40	30	30	19
Wet days, d	5.5	5.9	8.8	8.3	10.4	8.7	9.4	9.2	6.9	5.2	5.6	6.1

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
Change preferences.

Boulder

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

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

Boulder, Colorado, United States - Sun path diagram

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

Boulder, Colorado, United States - Basic information

Sponsored links