Sunrise and sunset in Dewey County

Dewey County Sunrise, Sunset and Moon in May 2026

Local time (MDT)

Day length goes from 14 h 18 min on May 1 to 15 h 23 min on May 31. Sunrise moves from 5:32 AM to 5:00 AM and sunset from 7:50 PM to 8:23 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
May 15:00 AM5:32 AM7:50 PM8:22 PM7:09 PM9:48 PM14 h 18 minFull moon 11:24 AM8:23 PM5:04 AM
May 24:58 AM5:31 AM7:51 PM8:24 PM7:10 PM9:50 PM14 h 20 min+2.0 minFull moon, 99%9:30 PM5:29 AM
May 34:57 AM5:29 AM7:52 PM8:25 PM7:11 PM9:52 PM14 h 23 min+3.0 minWaning gibbous, 96%10:33 PM6:00 AM
May 44:55 AM5:28 AM7:53 PM8:26 PM7:12 PM9:54 PM14 h 25 min+2.0 minWaning gibbous, 91%11:31 PM6:38 AM
May 54:53 AM5:26 AM7:55 PM8:28 PM7:13 PM9:56 PM14 h 29 min+4.0 minWaning gibbous, 85%7:26 AM
May 64:52 AM5:25 AM7:56 PM8:29 PM7:14 PM9:58 PM14 h 31 min+2.0 minWaning gibbous, 76%12:20 AM8:22 AM
May 74:50 AM5:24 AM7:57 PM8:31 PM7:15 PM10:00 PM14 h 33 min+2.0 minWaning gibbous, 67%1:01 AM9:25 AM
May 84:49 AM5:22 AM7:58 PM8:32 PM7:16 PM10:03 PM14 h 36 min+3.0 minLast quarter, 56%1:33 AM10:32 AM
May 94:48 AM5:21 AM8:00 PM8:33 PM7:17 PM10:05 PM14 h 39 min+3.0 minLast quarter 3:11 PM1:59 AM11:41 AM
May 104:46 AM5:20 AM8:01 PM8:35 PM7:19 PM10:07 PM14 h 41 min+2.0 minWaning crescent, 35%2:21 AM12:52 PM
May 114:45 AM5:19 AM8:02 PM8:36 PM7:20 PM10:09 PM14 h 43 min+2.0 minWaning crescent, 26%2:40 AM2:03 PM
May 124:43 AM5:17 AM8:03 PM8:37 PM7:21 PM10:11 PM14 h 46 min+3.0 minWaning crescent, 17%2:58 AM3:16 PM
May 134:42 AM5:16 AM8:04 PM8:39 PM7:22 PM10:13 PM14 h 48 min+2.0 minWaning crescent, 10%3:17 AM4:32 PM
May 144:41 AM5:15 AM8:05 PM8:40 PM7:23 PM10:15 PM14 h 50 min+2.0 minWaning crescent, 4%3:38 AM5:53 PM
May 154:39 AM5:14 AM8:07 PM8:41 PM7:24 PM10:17 PM14 h 53 min+3.0 minWaning crescent, 1%4:03 AM7:17 PM
May 164:38 AM5:13 AM8:08 PM8:42 PM7:25 PM10:19 PM14 h 55 min+2.0 minNew moon 2:02 PM4:35 AM8:43 PM
May 174:37 AM5:12 AM8:09 PM8:44 PM7:26 PM10:21 PM14 h 57 min+2.0 minWaxing crescent, 1%5:17 AM10:04 PM
May 184:36 AM5:11 AM8:10 PM8:45 PM7:27 PM10:23 PM14 h 59 min+2.0 minWaxing crescent, 5%6:12 AM11:13 PM
May 194:35 AM5:10 AM8:11 PM8:46 PM7:28 PM10:25 PM15 h 01 min+2.0 minWaxing crescent, 10%7:22 AM
May 204:34 AM5:09 AM8:12 PM8:47 PM7:29 PM10:27 PM15 h 03 min+2.0 minWaxing crescent, 17%8:41 AM12:06 AM
May 214:32 AM5:08 AM8:13 PM8:49 PM7:30 PM10:29 PM15 h 05 min+2.0 minWaxing crescent, 26%10:02 AM12:46 AM
May 224:31 AM5:07 AM8:14 PM8:50 PM7:31 PM10:31 PM15 h 07 min+2.0 minWaxing crescent, 36%11:21 AM1:15 AM
May 234:30 AM5:06 AM8:15 PM8:51 PM7:32 PM10:33 PM15 h 09 min+2.0 minFirst quarter 5:11 AM12:35 PM1:38 AM
May 244:29 AM5:05 AM8:16 PM8:52 PM7:33 PM10:35 PM15 h 11 min+2.0 minFirst quarter, 57%1:45 PM1:57 AM
May 254:28 AM5:04 AM8:17 PM8:53 PM7:34 PM10:37 PM15 h 13 min+2.0 minWaxing gibbous, 67%2:53 PM2:14 AM
May 264:28 AM5:03 AM8:18 PM8:54 PM7:34 PM10:39 PM15 h 15 min+2.0 minWaxing gibbous, 77%4:00 PM2:31 AM
May 274:27 AM5:03 AM8:19 PM8:55 PM7:35 PM10:41 PM15 h 16 min+1.0 minWaxing gibbous, 85%5:07 PM2:49 AM
May 284:26 AM5:02 AM8:20 PM8:56 PM7:36 PM10:43 PM15 h 18 min+2.0 minWaxing gibbous, 92%6:14 PM3:09 AM
May 294:25 AM5:01 AM8:21 PM8:57 PM7:37 PM10:44 PM15 h 20 min+2.0 minWaxing gibbous, 97%7:21 PM3:33 AM
May 304:24 AM5:01 AM8:22 PM8:58 PM7:38 PM10:46 PM15 h 21 min+1.0 minFull moon, 99%8:25 PM4:02 AM
May 314:24 AM5:00 AM8:23 PM8:59 PM7:39 PM10:48 PM15 h 23 min+2.0 minFull moon 2:46 AM9:25 PM4:38 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.