Sunrise and sunset in Casper

Casper Sunrise, Sunset and Moon in December 2026

Local time (MST)

Day length goes from 9 h 15 min on December 1 to 9 h 05 min on December 31. Sunrise moves from 7:17 AM to 7:36 AM and sunset from 4:32 PM to 4:41 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
Dec 16:45 AM7:17 AM4:32 PM5:04 PM3:47 PM6:13 PM9 h 15 minLast quarter, 53%12:42 PM
Dec 26:46 AM7:18 AM4:32 PM5:03 PM3:47 PM6:13 PM9 h 14 min-1.0 minLast quarter, 42%12:51 AM1:03 PM
Dec 36:47 AM7:19 AM4:31 PM5:03 PM3:46 PM6:13 PM9 h 12 min-2.0 minWaning crescent, 32%1:59 AM1:23 PM
Dec 46:48 AM7:20 AM4:31 PM5:03 PM3:46 PM6:13 PM9 h 11 min-1.0 minWaning crescent, 23%3:06 AM1:45 PM
Dec 56:49 AM7:21 AM4:31 PM5:03 PM3:46 PM6:13 PM9 h 10 min-1.0 minWaning crescent, 14%4:13 AM2:09 PM
Dec 66:50 AM7:22 AM4:31 PM5:03 PM3:46 PM6:13 PM9 h 09 min-1.0 minWaning crescent, 8%5:20 AM2:38 PM
Dec 76:51 AM7:23 AM4:31 PM5:03 PM3:45 PM6:13 PM9 h 08 min-1.0 minWaning crescent, 3%6:25 AM3:14 PM
Dec 86:51 AM7:24 AM4:31 PM5:03 PM3:45 PM6:13 PM9 h 07 min-1.0 minNew moon 5:52 PM7:27 AM3:56 PM
Dec 96:52 AM7:24 AM4:31 PM5:03 PM3:45 PM6:13 PM9 h 07 min+0.0 minNew moon, 0%8:22 AM4:46 PM
Dec 106:53 AM7:25 AM4:31 PM5:03 PM3:45 PM6:13 PM9 h 06 min-1.0 minWaxing crescent, 2%9:10 AM5:44 PM
Dec 116:54 AM7:26 AM4:31 PM5:03 PM3:45 PM6:13 PM9 h 05 min-1.0 minWaxing crescent, 6%9:49 AM6:45 PM
Dec 126:55 AM7:27 AM4:31 PM5:03 PM3:45 PM6:13 PM9 h 04 min-1.0 minWaxing crescent, 12%10:21 AM7:49 PM
Dec 136:56 AM7:28 AM4:31 PM5:04 PM3:45 PM6:14 PM9 h 03 min-1.0 minWaxing crescent, 20%10:48 AM8:53 PM
Dec 146:56 AM7:29 AM4:31 PM5:04 PM3:46 PM6:14 PM9 h 02 min-1.0 minWaxing crescent, 29%11:10 AM9:56 PM
Dec 156:57 AM7:29 AM4:32 PM5:04 PM3:46 PM6:14 PM9 h 03 min+1.0 minWaxing crescent, 39%11:30 AM11:00 PM
Dec 166:58 AM7:30 AM4:32 PM5:04 PM3:46 PM6:15 PM9 h 02 min-1.0 minFirst quarter 10:43 PM11:49 AM
Dec 176:58 AM7:31 AM4:32 PM5:05 PM3:46 PM6:15 PM9 h 01 min-1.0 minWaxing gibbous, 60%12:09 PM12:06 AM
Dec 186:59 AM7:31 AM4:33 PM5:05 PM3:47 PM6:15 PM9 h 02 min+1.0 minWaxing gibbous, 70%12:30 PM1:13 AM
Dec 196:59 AM7:32 AM4:33 PM5:05 PM3:47 PM6:16 PM9 h 01 min-1.0 minWaxing gibbous, 79%12:55 PM2:24 AM
Dec 207:00 AM7:32 AM4:34 PM5:06 PM3:47 PM6:16 PM9 h 02 min+1.0 minWaxing gibbous, 87%1:25 PM3:40 AM
Dec 217:01 AM7:33 AM4:34 PM5:06 PM3:48 PM6:17 PM9 h 01 min-1.0 minWaxing gibbous, 94%2:05 PM4:59 AM
Dec 227:01 AM7:33 AM4:35 PM5:07 PM3:48 PM6:17 PM9 h 02 min+1.0 minWaxing gibbous, 98%2:57 PM6:18 AM
Dec 237:02 AM7:34 AM4:35 PM5:07 PM3:49 PM6:18 PM9 h 01 min-1.0 minFull moon 6:28 PM4:04 PM7:30 AM
Dec 247:02 AM7:34 AM4:36 PM5:08 PM3:50 PM6:18 PM9 h 02 min+1.0 minFull moon, 100%5:22 PM8:30 AM
Dec 257:02 AM7:35 AM4:36 PM5:09 PM3:50 PM6:19 PM9 h 01 min-1.0 minWaning gibbous, 97%6:45 PM9:17 AM
Dec 267:03 AM7:35 AM4:37 PM5:09 PM3:51 PM6:20 PM9 h 02 min+1.0 minWaning gibbous, 93%8:07 PM9:53 AM
Dec 277:03 AM7:35 AM4:38 PM5:10 PM3:52 PM6:20 PM9 h 03 min+1.0 minWaning gibbous, 86%9:25 PM10:22 AM
Dec 287:03 AM7:36 AM4:38 PM5:11 PM3:52 PM6:21 PM9 h 02 min-1.0 minWaning gibbous, 78%10:39 PM10:46 AM
Dec 297:04 AM7:36 AM4:39 PM5:11 PM3:53 PM6:22 PM9 h 03 min+1.0 minWaning gibbous, 69%11:50 PM11:07 AM
Dec 307:04 AM7:36 AM4:40 PM5:12 PM3:54 PM6:22 PM9 h 04 min+1.0 minLast quarter 11:59 AM11:28 AM
Dec 317:04 AM7:36 AM4:41 PM5:13 PM3:55 PM6:23 PM9 h 05 min+1.0 minLast quarter, 48%12:58 AM11:49 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.