Sunrise and sunset in Cook County

Cook County Sunrise, Sunset and Moon in February 2026

Local time (CST)

Day length goes from 10 h 03 min on February 1 to 11 h 13 min on February 28. Sunrise moves from 7:03 AM to 6:27 AM and sunset from 5:06 PM to 5:40 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 16:33 AM7:03 AM5:06 PM5:35 PM4:25 PM6:41 PM10 h 03 minFull moon 4:10 PM4:58 PM7:07 AM
Feb 26:33 AM7:02 AM5:07 PM5:37 PM4:27 PM6:43 PM10 h 05 min+2.0 minFull moon, 100%6:13 PM7:37 AM
Feb 36:32 AM7:01 AM5:08 PM5:38 PM4:28 PM6:44 PM10 h 07 min+2.0 minWaning gibbous, 98%7:25 PM8:01 AM
Feb 46:31 AM7:00 AM5:10 PM5:39 PM4:29 PM6:45 PM10 h 10 min+3.0 minWaning gibbous, 94%8:33 PM8:23 AM
Feb 56:29 AM6:59 AM5:11 PM5:40 PM4:31 PM6:46 PM10 h 12 min+2.0 minWaning gibbous, 88%9:39 PM8:43 AM
Feb 66:28 AM6:58 AM5:12 PM5:41 PM4:32 PM6:47 PM10 h 14 min+2.0 minWaning gibbous, 80%10:44 PM9:02 AM
Feb 76:27 AM6:56 AM5:14 PM5:43 PM4:34 PM6:48 PM10 h 18 min+4.0 minWaning gibbous, 71%11:49 PM9:23 AM
Feb 86:26 AM6:55 AM5:15 PM5:44 PM4:35 PM6:49 PM10 h 20 min+2.0 minWaning gibbous, 61%9:47 AM
Feb 96:25 AM6:54 AM5:16 PM5:45 PM4:36 PM6:51 PM10 h 22 min+2.0 minLast quarter 6:43 AM12:53 AM10:14 AM
Feb 106:24 AM6:53 AM5:17 PM5:46 PM4:38 PM6:52 PM10 h 24 min+2.0 minWaning crescent, 40%1:57 AM10:48 AM
Feb 116:23 AM6:51 AM5:19 PM5:48 PM4:39 PM6:53 PM10 h 28 min+4.0 minWaning crescent, 29%2:59 AM11:29 AM
Feb 126:21 AM6:50 AM5:20 PM5:49 PM4:41 PM6:54 PM10 h 30 min+2.0 minWaning crescent, 20%3:55 AM12:19 PM
Feb 136:20 AM6:49 AM5:21 PM5:50 PM4:42 PM6:55 PM10 h 32 min+2.0 minWaning crescent, 12%4:44 AM1:17 PM
Feb 146:19 AM6:48 AM5:23 PM5:51 PM4:43 PM6:56 PM10 h 35 min+3.0 minWaning crescent, 6%5:26 AM2:22 PM
Feb 156:18 AM6:46 AM5:24 PM5:52 PM4:45 PM6:57 PM10 h 38 min+3.0 minWaning crescent, 2%6:01 AM3:31 PM
Feb 166:16 AM6:45 AM5:25 PM5:54 PM4:46 PM6:59 PM10 h 40 min+2.0 minNew moon, 0%6:29 AM4:41 PM
Feb 176:15 AM6:43 AM5:26 PM5:55 PM4:48 PM7:00 PM10 h 43 min+3.0 minNew moon 6:01 AM6:54 AM5:51 PM
Feb 186:14 AM6:42 AM5:28 PM5:56 PM4:49 PM7:01 PM10 h 46 min+3.0 minWaxing crescent, 3%7:17 AM7:02 PM
Feb 196:12 AM6:41 AM5:29 PM5:57 PM4:50 PM7:02 PM10 h 48 min+2.0 minWaxing crescent, 8%7:38 AM8:13 PM
Feb 206:11 AM6:39 AM5:30 PM5:58 PM4:52 PM7:03 PM10 h 51 min+3.0 minWaxing crescent, 14%7:59 AM9:26 PM
Feb 216:09 AM6:38 AM5:31 PM6:00 PM4:53 PM7:04 PM10 h 53 min+2.0 minWaxing crescent, 22%8:23 AM10:41 PM
Feb 226:08 AM6:36 AM5:33 PM6:01 PM4:54 PM7:05 PM10 h 57 min+4.0 minWaxing crescent, 32%8:50 AM11:58 PM
Feb 236:06 AM6:35 AM5:34 PM6:02 PM4:56 PM7:07 PM10 h 59 min+2.0 minFirst quarter, 42%9:24 AM
Feb 246:05 AM6:33 AM5:35 PM6:03 PM4:57 PM7:08 PM11 h 02 min+3.0 minFirst quarter 6:28 AM10:07 AM1:15 AM
Feb 256:04 AM6:32 AM5:36 PM6:04 PM4:58 PM7:09 PM11 h 04 min+2.0 minWaxing gibbous, 63%11:01 AM2:28 AM
Feb 266:02 AM6:30 AM5:37 PM6:05 PM5:00 PM7:10 PM11 h 07 min+3.0 minWaxing gibbous, 73%12:06 PM3:32 AM
Feb 276:00 AM6:29 AM5:39 PM6:07 PM5:01 PM7:11 PM11 h 10 min+3.0 minWaxing gibbous, 82%1:20 PM4:24 AM
Feb 285:59 AM6:27 AM5:40 PM6:08 PM5:02 PM7:12 PM11 h 13 min+3.0 minWaxing gibbous, 89%2:37 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.