Sunrise and sunset in Rio Blanco County

Rio Blanco County Sunrise, Sunset and Moon in December 2026

Local time (MST)

Day length goes from 9 h 32 min on December 1 to 9 h 23 min on December 31. Sunrise moves from 7:16 AM to 7:35 AM and sunset from 4:48 PM to 4:58 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
Dec 16:46 AM7:16 AM4:48 PM5:18 PM4:06 PM6:24 PM9 h 32 minLast quarter, 53%12:49 PM
Dec 26:47 AM7:17 AM4:48 PM5:18 PM4:06 PM6:24 PM9 h 31 min-1.0 minLast quarter, 42%12:59 AM1:11 PM
Dec 36:47 AM7:18 AM4:48 PM5:18 PM4:06 PM6:24 PM9 h 30 min-1.0 minWaning crescent, 32%2:05 AM1:34 PM
Dec 46:48 AM7:19 AM4:48 PM5:18 PM4:05 PM6:24 PM9 h 29 min-1.0 minWaning crescent, 23%3:10 AM1:58 PM
Dec 56:49 AM7:19 AM4:48 PM5:18 PM4:05 PM6:24 PM9 h 29 min+0.0 minWaning crescent, 14%4:14 AM2:25 PM
Dec 66:50 AM7:20 AM4:47 PM5:18 PM4:05 PM6:24 PM9 h 27 min-2.0 minWaning crescent, 8%5:19 AM2:56 PM
Dec 76:51 AM7:21 AM4:47 PM5:18 PM4:05 PM6:24 PM9 h 26 min-1.0 minWaning crescent, 3%6:22 AM3:33 PM
Dec 86:52 AM7:22 AM4:47 PM5:18 PM4:05 PM6:25 PM9 h 25 min-1.0 minNew moon 5:52 PM7:23 AM4:16 PM
Dec 96:53 AM7:23 AM4:48 PM5:18 PM4:05 PM6:25 PM9 h 25 min+0.0 minNew moon, 0%8:18 AM5:07 PM
Dec 106:53 AM7:24 AM4:48 PM5:18 PM4:05 PM6:25 PM9 h 24 min-1.0 minWaxing crescent, 2%9:06 AM6:03 PM
Dec 116:54 AM7:25 AM4:48 PM5:18 PM4:05 PM6:25 PM9 h 23 min-1.0 minWaxing crescent, 6%9:46 AM7:03 PM
Dec 126:55 AM7:25 AM4:48 PM5:18 PM4:05 PM6:25 PM9 h 23 min+0.0 minWaxing crescent, 12%10:20 AM8:05 PM
Dec 136:56 AM7:26 AM4:48 PM5:19 PM4:05 PM6:26 PM9 h 22 min-1.0 minWaxing crescent, 20%10:48 AM9:07 PM
Dec 146:56 AM7:27 AM4:48 PM5:19 PM4:05 PM6:26 PM9 h 21 min-1.0 minWaxing crescent, 29%11:13 AM10:09 PM
Dec 156:57 AM7:28 AM4:49 PM5:19 PM4:06 PM6:26 PM9 h 21 min+0.0 minWaxing crescent, 39%11:35 AM11:10 PM
Dec 166:58 AM7:28 AM4:49 PM5:19 PM4:06 PM6:26 PM9 h 21 min+0.0 minFirst quarter 10:43 PM11:56 AM
Dec 176:58 AM7:29 AM4:49 PM5:20 PM4:06 PM6:27 PM9 h 20 min-1.0 minWaxing gibbous, 60%12:18 PM12:13 AM
Dec 186:59 AM7:30 AM4:50 PM5:20 PM4:07 PM6:27 PM9 h 20 min+0.0 minWaxing gibbous, 70%12:42 PM1:18 AM
Dec 197:00 AM7:30 AM4:50 PM5:21 PM4:07 PM6:28 PM9 h 20 min+0.0 minWaxing gibbous, 79%1:09 PM2:27 AM
Dec 207:00 AM7:31 AM4:51 PM5:21 PM4:07 PM6:28 PM9 h 20 min+0.0 minWaxing gibbous, 87%1:42 PM3:40 AM
Dec 217:01 AM7:31 AM4:51 PM5:22 PM4:08 PM6:29 PM9 h 20 min+0.0 minWaxing gibbous, 94%2:24 PM4:57 AM
Dec 227:01 AM7:32 AM4:52 PM5:22 PM4:08 PM6:29 PM9 h 20 min+0.0 minWaxing gibbous, 98%3:18 PM6:14 AM
Dec 237:02 AM7:32 AM4:52 PM5:23 PM4:09 PM6:30 PM9 h 20 min+0.0 minFull moon 6:28 PM4:24 PM7:25 AM
Dec 247:02 AM7:33 AM4:53 PM5:23 PM4:10 PM6:30 PM9 h 20 min+0.0 minFull moon, 100%5:41 PM8:27 AM
Dec 257:02 AM7:33 AM4:53 PM5:24 PM4:10 PM6:31 PM9 h 20 min+0.0 minWaning gibbous, 97%7:02 PM9:16 AM
Dec 267:03 AM7:33 AM4:54 PM5:24 PM4:11 PM6:31 PM9 h 21 min+1.0 minWaning gibbous, 93%8:21 PM9:54 AM
Dec 277:03 AM7:34 AM4:55 PM5:25 PM4:12 PM6:32 PM9 h 21 min+0.0 minWaning gibbous, 86%9:37 PM10:25 AM
Dec 287:03 AM7:34 AM4:55 PM5:26 PM4:12 PM6:33 PM9 h 21 min+0.0 minWaning gibbous, 78%10:48 PM10:52 AM
Dec 297:04 AM7:34 AM4:56 PM5:27 PM4:13 PM6:33 PM9 h 22 min+1.0 minWaning gibbous, 69%11:56 PM11:15 AM
Dec 307:04 AM7:34 AM4:57 PM5:27 PM4:14 PM6:34 PM9 h 23 min+1.0 minLast quarter 11:59 AM11:38 AM
Dec 317:04 AM7:35 AM4:58 PM5:28 PM4:15 PM6:35 PM9 h 23 min+0.0 minLast quarter, 48%1:02 AM12:02 PM

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.