Sunrise and sunset in Cook County

Cook County Sunrise, Sunset and Moon in February 2026

Local time (CST)

Day length goes from 9 h 34 min on February 1 to 11 h 00 min on February 28. Sunrise moves from 7:29 AM to 6:45 AM and sunset from 5:03 PM to 5:45 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
Feb 16:56 AM7:29 AM5:03 PM5:36 PM4:16 PM6:49 PM9 h 34 minFull moon 4:10 PM4:52 PM7:38 AM
Feb 26:55 AM7:28 AM5:05 PM5:38 PM4:18 PM6:51 PM9 h 37 min+3.0 minFull moon, 100%6:14 PM8:02 AM
Feb 36:54 AM7:26 AM5:06 PM5:39 PM4:20 PM6:52 PM9 h 40 min+3.0 minWaning gibbous, 98%7:32 PM8:21 AM
Feb 46:52 AM7:25 AM5:08 PM5:41 PM4:22 PM6:54 PM9 h 43 min+3.0 minWaning gibbous, 94%8:46 PM8:37 AM
Feb 56:51 AM7:24 AM5:09 PM5:42 PM4:24 PM6:55 PM9 h 45 min+2.0 minWaning gibbous, 88%9:57 PM8:52 AM
Feb 66:50 AM7:22 AM5:11 PM5:44 PM4:25 PM6:56 PM9 h 49 min+4.0 minWaning gibbous, 80%11:07 PM9:06 AM
Feb 76:48 AM7:21 AM5:13 PM5:45 PM4:27 PM6:58 PM9 h 52 min+3.0 minWaning gibbous, 71%9:22 AM
Feb 86:47 AM7:19 AM5:14 PM5:47 PM4:29 PM6:59 PM9 h 55 min+3.0 minWaning gibbous, 61%12:18 AM9:40 AM
Feb 96:45 AM7:18 AM5:16 PM5:48 PM4:31 PM7:01 PM9 h 58 min+3.0 minLast quarter 6:43 AM1:27 AM10:03 AM
Feb 106:44 AM7:16 AM5:17 PM5:50 PM4:33 PM7:02 PM10 h 01 min+3.0 minWaning crescent, 40%2:36 AM10:32 AM
Feb 116:42 AM7:15 AM5:19 PM5:51 PM4:34 PM7:03 PM10 h 04 min+3.0 minWaning crescent, 29%3:41 AM11:10 AM
Feb 126:41 AM7:13 AM5:21 PM5:53 PM4:36 PM7:05 PM10 h 08 min+4.0 minWaning crescent, 20%4:39 AM11:59 AM
Feb 136:39 AM7:11 AM5:22 PM5:54 PM4:38 PM7:06 PM10 h 11 min+3.0 minWaning crescent, 12%5:27 AM1:00 PM
Feb 146:38 AM7:10 AM5:24 PM5:56 PM4:40 PM7:08 PM10 h 14 min+3.0 minWaning crescent, 6%6:05 AM2:08 PM
Feb 156:36 AM7:08 AM5:25 PM5:57 PM4:41 PM7:09 PM10 h 17 min+3.0 minWaning crescent, 2%6:34 AM3:22 PM
Feb 166:35 AM7:06 AM5:27 PM5:59 PM4:43 PM7:11 PM10 h 21 min+4.0 minNew moon, 0%6:58 AM4:38 PM
Feb 176:33 AM7:05 AM5:28 PM6:00 PM4:45 PM7:12 PM10 h 23 min+2.0 minNew moon 6:01 AM7:17 AM5:55 PM
Feb 186:31 AM7:03 AM5:30 PM6:02 PM4:47 PM7:14 PM10 h 27 min+4.0 minWaxing crescent, 3%7:34 AM7:11 PM
Feb 196:30 AM7:01 AM5:32 PM6:03 PM4:48 PM7:15 PM10 h 31 min+4.0 minWaxing crescent, 8%7:49 AM8:28 PM
Feb 206:28 AM6:59 AM5:33 PM6:05 PM4:50 PM7:16 PM10 h 34 min+3.0 minWaxing crescent, 14%8:06 AM9:47 PM
Feb 216:26 AM6:58 AM5:35 PM6:06 PM4:52 PM7:18 PM10 h 37 min+3.0 minWaxing crescent, 22%8:23 AM11:09 PM
Feb 226:24 AM6:56 AM5:36 PM6:08 PM4:53 PM7:19 PM10 h 40 min+3.0 minWaxing crescent, 32%8:45 AM
Feb 236:23 AM6:54 AM5:38 PM6:09 PM4:55 PM7:21 PM10 h 44 min+4.0 minFirst quarter, 42%9:13 AM12:32 AM
Feb 246:21 AM6:52 AM5:39 PM6:11 PM4:57 PM7:22 PM10 h 47 min+3.0 minFirst quarter 6:28 AM9:50 AM1:55 AM
Feb 256:19 AM6:50 AM5:41 PM6:12 PM4:58 PM7:24 PM10 h 51 min+4.0 minWaxing gibbous, 63%10:41 AM3:11 AM
Feb 266:17 AM6:48 AM5:42 PM6:14 PM5:00 PM7:25 PM10 h 54 min+3.0 minWaxing gibbous, 73%11:48 AM4:15 AM
Feb 276:15 AM6:46 AM5:44 PM6:15 PM5:02 PM7:27 PM10 h 58 min+4.0 minWaxing gibbous, 82%1:06 PM5:03 AM
Feb 286:14 AM6:45 AM5:45 PM6:17 PM5:03 PM7:28 PM11 h 00 min+2.0 minWaxing gibbous, 89%2:28 PM5:39 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.