Sunrise and sunset in Cook County

Cook County Sunrise, Sunset and Moon in May 2026

Local time (CDT)

Day length goes from 14 h 31 min on May 1 to 15 h 44 min on May 31. Sunrise moves from 5:44 AM to 5:08 AM and sunset from 8:15 PM to 8:52 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 15:10 AM5:44 AM8:15 PM8:50 PM7:32 PM10:24 PM14 h 31 minFull moon 12:24 PM8:50 PM5:14 AM
May 25:08 AM5:43 AM8:16 PM8:51 PM7:33 PM10:27 PM14 h 33 min+2.0 minFull moon, 99%9:59 PM5:36 AM
May 35:06 AM5:41 AM8:18 PM8:53 PM7:34 PM10:29 PM14 h 37 min+4.0 minWaning gibbous, 97%11:05 PM6:05 AM
May 45:04 AM5:40 AM8:19 PM8:54 PM7:35 PM10:32 PM14 h 39 min+2.0 minWaning gibbous, 92%6:41 AM
May 55:03 AM5:38 AM8:21 PM8:56 PM7:37 PM10:34 PM14 h 43 min+4.0 minWaning gibbous, 85%12:03 AM7:28 AM
May 65:01 AM5:36 AM8:22 PM8:58 PM7:38 PM10:37 PM14 h 46 min+3.0 minWaning gibbous, 77%12:53 AM8:24 AM
May 74:59 AM5:35 AM8:23 PM8:59 PM7:39 PM10:39 PM14 h 48 min+2.0 minWaning gibbous, 67%1:32 AM9:29 AM
May 84:58 AM5:33 AM8:25 PM9:01 PM7:40 PM10:42 PM14 h 52 min+4.0 minLast quarter, 57%2:02 AM10:38 AM
May 94:56 AM5:32 AM8:26 PM9:02 PM7:42 PM10:44 PM14 h 54 min+2.0 minLast quarter 4:11 PM2:26 AM11:50 AM
May 104:55 AM5:31 AM8:27 PM9:04 PM7:43 PM10:47 PM14 h 56 min+2.0 minWaning crescent, 36%2:45 AM1:03 PM
May 114:53 AM5:29 AM8:29 PM9:05 PM7:44 PM10:49 PM15 h 00 min+4.0 minWaning crescent, 26%3:02 AM2:17 PM
May 124:51 AM5:28 AM8:30 PM9:07 PM7:45 PM10:52 PM15 h 02 min+2.0 minWaning crescent, 17%3:17 AM3:33 PM
May 134:50 AM5:26 AM8:31 PM9:08 PM7:46 PM10:55 PM15 h 05 min+3.0 minWaning crescent, 10%3:34 AM4:52 PM
May 144:48 AM5:25 AM8:33 PM9:10 PM7:47 PM10:57 PM15 h 08 min+3.0 minWaning crescent, 5%3:52 AM6:15 PM
May 154:47 AM5:24 AM8:34 PM9:11 PM7:49 PM11:00 PM15 h 10 min+2.0 minWaning crescent, 1%4:14 AM7:43 PM
May 164:46 AM5:23 AM8:35 PM9:12 PM7:50 PM11:03 PM15 h 12 min+2.0 minNew moon 3:02 PM4:42 AM9:12 PM
May 174:44 AM5:21 AM8:36 PM9:14 PM7:51 PM11:05 PM15 h 15 min+3.0 minWaxing crescent, 1%5:21 AM10:36 PM
May 184:43 AM5:20 AM8:38 PM9:15 PM7:52 PM11:08 PM15 h 18 min+3.0 minWaxing crescent, 4%6:14 AM11:45 PM
May 194:42 AM5:19 AM8:39 PM9:17 PM7:53 PM11:11 PM15 h 20 min+2.0 minWaxing crescent, 10%7:24 AM
May 204:40 AM5:18 AM8:40 PM9:18 PM7:54 PM11:13 PM15 h 22 min+2.0 minWaxing crescent, 17%8:45 AM12:37 AM
May 214:39 AM5:17 AM8:41 PM9:19 PM7:55 PM11:16 PM15 h 24 min+2.0 minWaxing crescent, 26%10:09 AM1:14 AM
May 224:38 AM5:16 AM8:43 PM9:21 PM7:56 PM11:19 PM15 h 27 min+3.0 minWaxing crescent, 35%11:30 AM1:40 AM
May 234:37 AM5:15 AM8:44 PM9:22 PM7:57 PM11:21 PM15 h 29 min+2.0 minFirst quarter 6:11 AM12:48 PM2:01 AM
May 244:36 AM5:14 AM8:45 PM9:23 PM7:58 PM11:24 PM15 h 31 min+2.0 minFirst quarter, 56%2:01 PM2:17 AM
May 254:34 AM5:13 AM8:46 PM9:25 PM7:59 PM11:27 PM15 h 33 min+2.0 minWaxing gibbous, 67%3:11 PM2:32 AM
May 264:33 AM5:12 AM8:47 PM9:26 PM8:00 PM11:29 PM15 h 35 min+2.0 minWaxing gibbous, 76%4:21 PM2:47 AM
May 274:32 AM5:11 AM8:48 PM9:27 PM8:01 PM11:32 PM15 h 37 min+2.0 minWaxing gibbous, 85%5:30 PM3:02 AM
May 284:31 AM5:10 AM8:49 PM9:28 PM8:02 PM11:35 PM15 h 39 min+2.0 minWaxing gibbous, 91%6:40 PM3:20 AM
May 294:31 AM5:10 AM8:50 PM9:29 PM8:03 PM11:37 PM15 h 40 min+1.0 minWaxing gibbous, 96%7:49 PM3:41 AM
May 304:30 AM5:09 AM8:51 PM9:31 PM8:04 PM11:40 PM15 h 42 min+2.0 minFull moon, 99%8:56 PM4:07 AM
May 314:29 AM5:08 AM8:52 PM9:32 PM8:05 PM11:43 PM15 h 44 min+2.0 minFull moon 3:46 AM9:56 PM4:41 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.