Sunrise and sunset in Summit County

Summit County Sunrise, Sunset and Moon in August 2026

Local time (MDT)

Day length goes from 14 h 13 min on August 1 to 13 h 05 min on August 31. Sunrise moves from 6:04 AM to 6:32 AM and sunset from 8:17 PM to 7:37 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
Aug 15:34 AM6:04 AM8:17 PM8:47 PM7:39 PM10:04 PM14 h 13 minWaning gibbous, 89%9:52 PM9:05 AM
Aug 25:35 AM6:05 AM8:16 PM8:46 PM7:38 PM10:03 PM14 h 11 min-2.0 minWaning gibbous, 81%10:14 PM10:10 AM
Aug 35:36 AM6:06 AM8:15 PM8:45 PM7:37 PM10:01 PM14 h 09 min-2.0 minWaning gibbous, 72%10:37 PM11:16 AM
Aug 45:37 AM6:07 AM8:14 PM8:44 PM7:36 PM10:00 PM14 h 07 min-2.0 minWaning gibbous, 63%11:04 PM12:25 PM
Aug 55:38 AM6:08 AM8:13 PM8:42 PM7:35 PM9:58 PM14 h 05 min-2.0 minLast quarter 8:21 PM11:36 PM1:37 PM
Aug 65:39 AM6:08 AM8:12 PM8:41 PM7:34 PM9:56 PM14 h 04 min-1.0 minLast quarter, 41%2:51 PM
Aug 75:40 AM6:09 AM8:10 PM8:40 PM7:33 PM9:55 PM14 h 01 min-3.0 minWaning crescent, 31%12:16 AM4:05 PM
Aug 85:41 AM6:10 AM8:09 PM8:39 PM7:32 PM9:53 PM13 h 59 min-2.0 minWaning crescent, 22%1:07 AM5:15 PM
Aug 95:42 AM6:11 AM8:08 PM8:37 PM7:31 PM9:51 PM13 h 57 min-2.0 minWaning crescent, 14%2:10 AM6:15 PM
Aug 105:43 AM6:12 AM8:07 PM8:36 PM7:29 PM9:50 PM13 h 55 min-2.0 minWaning crescent, 7%3:24 AM7:04 PM
Aug 115:44 AM6:13 AM8:05 PM8:35 PM7:28 PM9:48 PM13 h 52 min-3.0 minWaning crescent, 3%4:42 AM7:43 PM
Aug 125:45 AM6:14 AM8:04 PM8:33 PM7:27 PM9:46 PM13 h 50 min-2.0 minNew moon 11:37 AM6:00 AM8:14 PM
Aug 135:46 AM6:15 AM8:03 PM8:32 PM7:26 PM9:44 PM13 h 48 min-2.0 minNew moon, 0%7:16 AM8:41 PM
Aug 145:47 AM6:16 AM8:02 PM8:30 PM7:25 PM9:43 PM13 h 46 min-2.0 minWaxing crescent, 2%8:28 AM9:05 PM
Aug 155:48 AM6:17 AM8:00 PM8:29 PM7:23 PM9:41 PM13 h 43 min-3.0 minWaxing crescent, 7%9:36 AM9:28 PM
Aug 165:49 AM6:18 AM7:59 PM8:28 PM7:22 PM9:39 PM13 h 41 min-2.0 minWaxing crescent, 13%10:43 AM9:51 PM
Aug 175:50 AM6:19 AM7:58 PM8:26 PM7:21 PM9:37 PM13 h 39 min-2.0 minWaxing crescent, 21%11:49 AM10:16 PM
Aug 185:51 AM6:20 AM7:56 PM8:25 PM7:19 PM9:35 PM13 h 36 min-3.0 minWaxing crescent, 30%12:54 PM10:45 PM
Aug 195:52 AM6:21 AM7:55 PM8:23 PM7:18 PM9:34 PM13 h 34 min-2.0 minFirst quarter 8:46 PM1:58 PM11:18 PM
Aug 205:53 AM6:22 AM7:53 PM8:22 PM7:17 PM9:32 PM13 h 31 min-3.0 minFirst quarter, 50%3:00 PM11:58 PM
Aug 215:54 AM6:23 AM7:52 PM8:20 PM7:15 PM9:30 PM13 h 29 min-2.0 minWaxing gibbous, 61%3:57 PM
Aug 225:55 AM6:23 AM7:50 PM8:19 PM7:14 PM9:28 PM13 h 27 min-2.0 minWaxing gibbous, 71%4:49 PM12:45 AM
Aug 235:56 AM6:24 AM7:49 PM8:17 PM7:13 PM9:26 PM13 h 25 min-2.0 minWaxing gibbous, 80%5:34 PM1:39 AM
Aug 245:57 AM6:25 AM7:48 PM8:16 PM7:11 PM9:25 PM13 h 23 min-2.0 minWaxing gibbous, 88%6:11 PM2:38 AM
Aug 255:58 AM6:26 AM7:46 PM8:14 PM7:10 PM9:23 PM13 h 20 min-3.0 minWaxing gibbous, 94%6:43 PM3:41 AM
Aug 265:59 AM6:27 AM7:45 PM8:12 PM7:08 PM9:21 PM13 h 18 min-2.0 minWaxing gibbous, 98%7:10 PM4:46 AM
Aug 276:00 AM6:28 AM7:43 PM8:11 PM7:07 PM9:19 PM13 h 15 min-3.0 minFull moon 10:18 PM7:34 PM5:51 AM
Aug 286:01 AM6:29 AM7:41 PM8:09 PM7:05 PM9:17 PM13 h 12 min-3.0 minFull moon, 100%7:57 PM6:56 AM
Aug 296:02 AM6:30 AM7:40 PM8:08 PM7:04 PM9:15 PM13 h 10 min-2.0 minWaning gibbous, 97%8:19 PM8:01 AM
Aug 306:03 AM6:31 AM7:38 PM8:06 PM7:02 PM9:13 PM13 h 07 min-3.0 minWaning gibbous, 92%8:43 PM9:08 AM
Aug 316:04 AM6:32 AM7:37 PM8:04 PM7:01 PM9:12 PM13 h 05 min-2.0 minWaning gibbous, 86%9:08 PM10:16 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.