Sunrise and sunset in Yellowstone County

Yellowstone County Sunrise, Sunset and Moon in May 2026

Local time (MDT)

Day length goes from 14 h 21 min on May 1 to 15 h 29 min on May 31. Sunrise moves from 6:00 AM to 5:27 AM and sunset from 8:21 PM to 8:56 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 15:27 AM6:00 AM8:21 PM8:54 PM7:39 PM10:23 PM14 h 21 minFull moon 11:24 AM8:57 PM5:32 AM
May 25:25 AM5:58 AM8:23 PM8:56 PM7:41 PM10:25 PM14 h 25 min+4.0 minFull moon, 99%10:04 PM5:56 AM
May 35:24 AM5:57 AM8:24 PM8:57 PM7:42 PM10:27 PM14 h 27 min+2.0 minWaning gibbous, 96%11:08 PM6:27 AM
May 45:22 AM5:55 AM8:25 PM8:59 PM7:43 PM10:29 PM14 h 30 min+3.0 minWaning gibbous, 91%7:05 AM
May 55:20 AM5:54 AM8:26 PM9:00 PM7:44 PM10:31 PM14 h 32 min+2.0 minWaning gibbous, 85%12:06 AM7:52 AM
May 65:19 AM5:53 AM8:28 PM9:02 PM7:45 PM10:33 PM14 h 35 min+3.0 minWaning gibbous, 76%12:55 AM8:49 AM
May 75:17 AM5:51 AM8:29 PM9:03 PM7:46 PM10:36 PM14 h 38 min+3.0 minWaning gibbous, 67%1:35 AM9:52 AM
May 85:16 AM5:50 AM8:30 PM9:04 PM7:48 PM10:38 PM14 h 40 min+2.0 minLast quarter, 56%2:06 AM11:00 AM
May 95:14 AM5:48 AM8:31 PM9:06 PM7:49 PM10:40 PM14 h 43 min+3.0 minLast quarter 3:11 PM2:31 AM12:10 PM
May 105:13 AM5:47 AM8:33 PM9:07 PM7:50 PM10:42 PM14 h 46 min+3.0 minWaning crescent, 35%2:52 AM1:21 PM
May 115:11 AM5:46 AM8:34 PM9:08 PM7:51 PM10:44 PM14 h 48 min+2.0 minWaning crescent, 26%3:11 AM2:33 PM
May 125:10 AM5:45 AM8:35 PM9:10 PM7:52 PM10:46 PM14 h 50 min+2.0 minWaning crescent, 17%3:29 AM3:47 PM
May 135:09 AM5:43 AM8:36 PM9:11 PM7:53 PM10:49 PM14 h 53 min+3.0 minWaning crescent, 10%3:47 AM5:04 PM
May 145:07 AM5:42 AM8:38 PM9:13 PM7:54 PM10:51 PM14 h 56 min+3.0 minWaning crescent, 4%4:07 AM6:26 PM
May 155:06 AM5:41 AM8:39 PM9:14 PM7:55 PM10:53 PM14 h 58 min+2.0 minWaning crescent, 1%4:31 AM7:51 PM
May 165:05 AM5:40 AM8:40 PM9:15 PM7:56 PM10:55 PM15 h 00 min+2.0 minNew moon 2:02 PM5:02 AM9:18 PM
May 175:03 AM5:39 AM8:41 PM9:17 PM7:57 PM10:57 PM15 h 02 min+2.0 minWaxing crescent, 1%5:44 AM10:40 PM
May 185:02 AM5:38 AM8:42 PM9:18 PM7:58 PM11:00 PM15 h 04 min+2.0 minWaxing crescent, 5%6:39 AM11:48 PM
May 195:01 AM5:37 AM8:43 PM9:19 PM7:59 PM11:02 PM15 h 06 min+2.0 minWaxing crescent, 10%7:49 AM
May 205:00 AM5:36 AM8:44 PM9:20 PM8:00 PM11:04 PM15 h 08 min+2.0 minWaxing crescent, 17%9:09 AM12:41 AM
May 214:59 AM5:35 AM8:46 PM9:22 PM8:01 PM11:06 PM15 h 11 min+3.0 minWaxing crescent, 26%10:31 AM1:19 AM
May 224:58 AM5:34 AM8:47 PM9:23 PM8:02 PM11:08 PM15 h 13 min+2.0 minWaxing crescent, 36%11:50 AM1:47 AM
May 234:57 AM5:33 AM8:48 PM9:24 PM8:03 PM11:10 PM15 h 15 min+2.0 minFirst quarter 5:11 AM1:05 PM2:09 AM
May 244:55 AM5:32 AM8:49 PM9:25 PM8:04 PM11:13 PM15 h 17 min+2.0 minFirst quarter, 57%2:16 PM2:27 AM
May 254:55 AM5:31 AM8:50 PM9:26 PM8:05 PM11:15 PM15 h 19 min+2.0 minWaxing gibbous, 67%3:25 PM2:44 AM
May 264:54 AM5:30 AM8:51 PM9:28 PM8:06 PM11:17 PM15 h 21 min+2.0 minWaxing gibbous, 77%4:32 PM3:00 AM
May 274:53 AM5:29 AM8:52 PM9:29 PM8:07 PM11:19 PM15 h 23 min+2.0 minWaxing gibbous, 85%5:40 PM3:17 AM
May 284:52 AM5:29 AM8:53 PM9:30 PM8:08 PM11:21 PM15 h 24 min+1.0 minWaxing gibbous, 92%6:47 PM3:37 AM
May 294:51 AM5:28 AM8:54 PM9:31 PM8:09 PM11:23 PM15 h 26 min+2.0 minWaxing gibbous, 97%7:55 PM4:00 AM
May 304:50 AM5:27 AM8:55 PM9:32 PM8:09 PM11:25 PM15 h 28 min+2.0 minFull moon, 99%9:00 PM4:28 AM
May 314:49 AM5:27 AM8:56 PM9:33 PM8:10 PM11:27 PM15 h 29 min+1.0 minFull moon 2:46 AM9:59 PM5:04 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.