Sunrise and sunset in Boulder County

Boulder County Sunrise, Sunset and Moon in March 2026

Local time (MDT)

Day length goes from 11 h 18 min on March 1 to 12 h 38 min on March 31. Sunrise moves from 6:35 AM to 6:47 AM and sunset from 5:53 PM to 7:25 PM.

Every day

Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.

DateDawnSunriseSunsetDuskGolden hourFull darkDay lengthChangeMoonMoonriseMoonset
Mar 16:07 AM6:35 AM5:53 PM6:21 PM5:17 PM7:23 PM11 h 18 minWaxing gibbous, 95%4:10 PM5:44 AM
Mar 26:06 AM6:33 AM5:54 PM6:22 PM5:18 PM7:25 PM11 h 21 min+3.0 minWaxing gibbous, 99%5:21 PM6:12 AM
Mar 36:04 AM6:32 AM5:56 PM6:23 PM5:19 PM7:26 PM11 h 24 min+3.0 minFull moon 4:38 AM6:29 PM6:36 AM
Mar 46:03 AM6:30 AM5:57 PM6:24 PM5:20 PM7:27 PM11 h 27 min+3.0 minFull moon, 99%7:34 PM6:57 AM
Mar 56:01 AM6:29 AM5:58 PM6:25 PM5:21 PM7:28 PM11 h 29 min+2.0 minWaning gibbous, 96%8:39 PM7:19 AM
Mar 66:00 AM6:27 AM5:59 PM6:26 PM5:23 PM7:29 PM11 h 32 min+3.0 minWaning gibbous, 91%9:43 PM7:41 AM
Mar 75:58 AM6:25 AM6:00 PM6:27 PM5:24 PM7:30 PM11 h 35 min+3.0 minWaning gibbous, 84%10:47 PM8:05 AM
Mar 86:57 AM7:24 AM7:01 PM7:28 PM6:25 PM8:31 PM11 h 37 min+2.0 minWaning gibbous, 76%9:32 AM
Mar 96:55 AM7:22 AM7:02 PM7:29 PM6:26 PM8:32 PM11 h 40 min+3.0 minWaning gibbous, 66%12:50 AM10:04 AM
Mar 106:54 AM7:21 AM7:03 PM7:30 PM6:27 PM8:33 PM11 h 42 min+2.0 minLast quarter, 56%1:52 AM10:44 AM
Mar 116:52 AM7:19 AM7:04 PM7:31 PM6:28 PM8:34 PM11 h 45 min+3.0 minLast quarter 3:39 AM2:50 AM11:30 AM
Mar 126:50 AM7:17 AM7:05 PM7:32 PM6:29 PM8:36 PM11 h 48 min+3.0 minWaning crescent, 35%3:42 AM12:25 PM
Mar 136:49 AM7:16 AM7:06 PM7:33 PM6:30 PM8:37 PM11 h 50 min+2.0 minWaning crescent, 25%4:27 AM1:26 PM
Mar 146:47 AM7:14 AM7:07 PM7:34 PM6:31 PM8:38 PM11 h 53 min+3.0 minWaning crescent, 16%5:04 AM2:32 PM
Mar 156:46 AM7:13 AM7:08 PM7:35 PM6:33 PM8:39 PM11 h 55 min+2.0 minWaning crescent, 9%5:36 AM3:40 PM
Mar 166:44 AM7:11 AM7:09 PM7:37 PM6:34 PM8:40 PM11 h 58 min+3.0 minWaning crescent, 4%6:04 AM4:49 PM
Mar 176:42 AM7:09 AM7:11 PM7:38 PM6:35 PM8:41 PM12 h 02 min+4.0 minNew moon, 1%6:28 AM5:58 PM
Mar 186:41 AM7:08 AM7:12 PM7:39 PM6:36 PM8:42 PM12 h 04 min+2.0 minNew moon 7:24 PM6:52 AM7:09 PM
Mar 196:39 AM7:06 AM7:13 PM7:40 PM6:37 PM8:44 PM12 h 07 min+3.0 minWaxing crescent, 1%7:15 AM8:21 PM
Mar 206:38 AM7:05 AM7:14 PM7:41 PM6:38 PM8:45 PM12 h 09 min+2.0 minWaxing crescent, 5%7:40 AM9:36 PM
Mar 216:36 AM7:03 AM7:15 PM7:42 PM6:39 PM8:46 PM12 h 12 min+3.0 minWaxing crescent, 10%8:09 AM10:53 PM
Mar 226:34 AM7:01 AM7:16 PM7:43 PM6:40 PM8:47 PM12 h 15 min+3.0 minWaxing crescent, 18%8:43 AM
Mar 236:33 AM7:00 AM7:17 PM7:44 PM6:41 PM8:48 PM12 h 17 min+2.0 minWaxing crescent, 26%9:25 AM12:11 AM
Mar 246:31 AM6:58 AM7:18 PM7:45 PM6:42 PM8:49 PM12 h 20 min+3.0 minWaxing crescent, 36%10:18 AM1:26 AM
Mar 256:29 AM6:56 AM7:19 PM7:46 PM6:43 PM8:51 PM12 h 23 min+3.0 minFirst quarter 1:18 PM11:21 AM2:33 AM
Mar 266:28 AM6:55 AM7:20 PM7:47 PM6:44 PM8:52 PM12 h 25 min+2.0 minFirst quarter, 57%12:32 PM3:28 AM
Mar 276:26 AM6:53 AM7:21 PM7:48 PM6:45 PM8:53 PM12 h 28 min+3.0 minWaxing gibbous, 68%1:45 PM4:12 AM
Mar 286:24 AM6:52 AM7:22 PM7:49 PM6:46 PM8:54 PM12 h 30 min+2.0 minWaxing gibbous, 77%2:58 PM4:46 AM
Mar 296:23 AM6:50 AM7:23 PM7:50 PM6:47 PM8:55 PM12 h 33 min+3.0 minWaxing gibbous, 85%4:08 PM5:15 AM
Mar 306:21 AM6:48 AM7:24 PM7:51 PM6:48 PM8:57 PM12 h 36 min+3.0 minWaxing gibbous, 92%5:15 PM5:39 AM
Mar 316:19 AM6:47 AM7:25 PM7:52 PM6:49 PM8:58 PM12 h 38 min+2.0 minWaxing gibbous, 97%6:21 PM6:01 AM

Other months

More

Sources

Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.