Sunrise and sunset in Summit County

Summit County Sunrise, Sunset and Moon in August 2026

Local time (MDT)

Day length goes from 14 h 19 min on August 1 to 13 h 08 min on August 31. Sunrise moves from 6:20 AM to 6:50 AM and sunset from 8:39 PM to 7:58 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 15:49 AM6:20 AM8:39 PM9:10 PM8:01 PM10:30 PM14 h 19 minWaning gibbous, 89%10:12 PM9:25 AM
Aug 25:51 AM6:21 AM8:38 PM9:09 PM8:00 PM10:28 PM14 h 17 min-2.0 minWaning gibbous, 81%10:33 PM10:30 AM
Aug 35:52 AM6:22 AM8:37 PM9:08 PM7:59 PM10:27 PM14 h 15 min-2.0 minWaning gibbous, 72%10:55 PM11:37 AM
Aug 45:53 AM6:23 AM8:36 PM9:06 PM7:57 PM10:25 PM14 h 13 min-2.0 minWaning gibbous, 63%11:21 PM12:47 PM
Aug 55:54 AM6:24 AM8:35 PM9:05 PM7:56 PM10:23 PM14 h 11 min-2.0 minLast quarter 8:21 PM11:52 PM2:00 PM
Aug 65:55 AM6:25 AM8:34 PM9:04 PM7:55 PM10:21 PM14 h 09 min-2.0 minLast quarter, 41%3:16 PM
Aug 75:56 AM6:26 AM8:32 PM9:02 PM7:54 PM10:20 PM14 h 06 min-3.0 minWaning crescent, 31%12:32 AM4:31 PM
Aug 85:57 AM6:27 AM8:31 PM9:01 PM7:53 PM10:18 PM14 h 04 min-2.0 minWaning crescent, 22%1:22 AM5:40 PM
Aug 95:58 AM6:28 AM8:30 PM9:00 PM7:52 PM10:16 PM14 h 02 min-2.0 minWaning crescent, 14%2:25 AM6:40 PM
Aug 105:59 AM6:29 AM8:29 PM8:58 PM7:51 PM10:14 PM14 h 00 min-2.0 minWaning crescent, 7%3:39 AM7:28 PM
Aug 116:00 AM6:30 AM8:27 PM8:57 PM7:49 PM10:12 PM13 h 57 min-3.0 minWaning crescent, 3%4:58 AM8:06 PM
Aug 126:01 AM6:31 AM8:26 PM8:56 PM7:48 PM10:11 PM13 h 55 min-2.0 minNew moon 11:37 AM6:18 AM8:36 PM
Aug 136:02 AM6:32 AM8:25 PM8:54 PM7:47 PM10:09 PM13 h 53 min-2.0 minNew moon, 0%7:35 AM9:02 PM
Aug 146:03 AM6:33 AM8:23 PM8:53 PM7:46 PM10:07 PM13 h 50 min-3.0 minWaxing crescent, 2%8:47 AM9:25 PM
Aug 156:05 AM6:34 AM8:22 PM8:51 PM7:44 PM10:05 PM13 h 48 min-2.0 minWaxing crescent, 7%9:57 AM9:47 PM
Aug 166:06 AM6:35 AM8:20 PM8:50 PM7:43 PM10:03 PM13 h 45 min-3.0 minWaxing crescent, 13%11:05 AM10:09 PM
Aug 176:07 AM6:36 AM8:19 PM8:48 PM7:42 PM10:01 PM13 h 43 min-2.0 minWaxing crescent, 21%12:12 PM10:33 PM
Aug 186:08 AM6:37 AM8:18 PM8:47 PM7:40 PM9:59 PM13 h 41 min-2.0 minWaxing crescent, 30%1:18 PM11:01 PM
Aug 196:09 AM6:38 AM8:16 PM8:45 PM7:39 PM9:58 PM13 h 38 min-3.0 minFirst quarter 8:46 PM2:22 PM11:34 PM
Aug 206:10 AM6:39 AM8:15 PM8:44 PM7:37 PM9:56 PM13 h 36 min-2.0 minFirst quarter, 50%3:25 PM
Aug 216:11 AM6:40 AM8:13 PM8:42 PM7:36 PM9:54 PM13 h 33 min-3.0 minWaxing gibbous, 61%4:23 PM12:13 AM
Aug 226:12 AM6:41 AM8:12 PM8:40 PM7:35 PM9:52 PM13 h 31 min-2.0 minWaxing gibbous, 71%5:14 PM12:59 AM
Aug 236:13 AM6:42 AM8:10 PM8:39 PM7:33 PM9:50 PM13 h 28 min-3.0 minWaxing gibbous, 80%5:58 PM1:54 AM
Aug 246:14 AM6:43 AM8:09 PM8:37 PM7:32 PM9:48 PM13 h 26 min-2.0 minWaxing gibbous, 88%6:35 PM2:54 AM
Aug 256:15 AM6:44 AM8:07 PM8:36 PM7:30 PM9:46 PM13 h 23 min-3.0 minWaxing gibbous, 94%7:06 PM3:57 AM
Aug 266:16 AM6:45 AM8:05 PM8:34 PM7:29 PM9:44 PM13 h 20 min-3.0 minWaxing gibbous, 98%7:32 PM5:03 AM
Aug 276:17 AM6:46 AM8:04 PM8:32 PM7:27 PM9:42 PM13 h 18 min-2.0 minFull moon 10:18 PM7:56 PM6:09 AM
Aug 286:18 AM6:47 AM8:02 PM8:31 PM7:26 PM9:40 PM13 h 15 min-3.0 minFull moon, 100%8:17 PM7:15 AM
Aug 296:20 AM6:48 AM8:01 PM8:29 PM7:24 PM9:38 PM13 h 13 min-2.0 minWaning gibbous, 97%8:39 PM8:21 AM
Aug 306:21 AM6:49 AM7:59 PM8:27 PM7:23 PM9:36 PM13 h 10 min-3.0 minWaning gibbous, 92%9:01 PM9:29 AM
Aug 316:22 AM6:50 AM7:58 PM8:26 PM7:21 PM9:34 PM13 h 08 min-2.0 minWaning gibbous, 86%9:26 PM10:38 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.