The sun, month by month
Sunrise and sunset in Chicago in January
On January 1 in Chicago the sun rises at 07:18 and sets at 16:30; on day 31 it rises at 07:06 and sets at 17:02. Over the month the day grows 45 minutes longer.
Sunrise07:16
Sunset16:43
Golden hour15:60–16:43
Day length9 h 27 min
Day by day
All times are local to Chicago. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:47 | 07:18 | 16:30 | 17:01 | 9 h 11 min |
| 2 | 06:47 | 07:19 | 16:31 | 17:02 | 9 h 12 min |
| 3 | 06:47 | 07:19 | 16:32 | 17:03 | 9 h 13 min |
| 4 | 06:47 | 07:19 | 16:32 | 17:04 | 9 h 14 min |
| 5 | 06:47 | 07:19 | 16:33 | 17:05 | 9 h 15 min |
| 6 | 06:47 | 07:19 | 16:34 | 17:06 | 9 h 16 min |
| 7 | 06:47 | 07:18 | 16:35 | 17:06 | 9 h 17 min |
| 8 | 06:47 | 07:18 | 16:36 | 17:07 | 9 h 18 min |
| 9 | 06:47 | 07:18 | 16:37 | 17:08 | 9 h 19 min |
| 10 | 06:47 | 07:18 | 16:38 | 17:09 | 9 h 20 min |
| 11 | 06:47 | 07:18 | 16:39 | 17:10 | 9 h 21 min |
| 12 | 06:46 | 07:17 | 16:40 | 17:11 | 9 h 23 min |
| 13 | 06:46 | 07:17 | 16:41 | 17:12 | 9 h 24 min |
| 14 | 06:46 | 07:17 | 16:42 | 17:13 | 9 h 25 min |
| 15 | 06:46 | 07:16 | 16:43 | 17:14 | 9 h 27 min |
| 16 | 06:45 | 07:16 | 16:44 | 17:15 | 9 h 28 min |
| 17 | 06:45 | 07:16 | 16:46 | 17:16 | 9 h 30 min |
| 18 | 06:44 | 07:15 | 16:47 | 17:17 | 9 h 32 min |
| 19 | 06:44 | 07:15 | 16:48 | 17:18 | 9 h 33 min |
| 20 | 06:44 | 07:14 | 16:49 | 17:19 | 9 h 35 min |
| 21 | 06:43 | 07:13 | 16:50 | 17:21 | 9 h 37 min |
| 22 | 06:43 | 07:13 | 16:51 | 17:22 | 9 h 38 min |
| 23 | 06:42 | 07:12 | 16:52 | 17:23 | 9 h 40 min |
| 24 | 06:41 | 07:12 | 16:54 | 17:24 | 9 h 42 min |
| 25 | 06:41 | 07:11 | 16:55 | 17:25 | 9 h 44 min |
| 26 | 06:40 | 07:10 | 16:56 | 17:26 | 9 h 46 min |
| 27 | 06:39 | 07:09 | 16:57 | 17:27 | 9 h 48 min |
| 28 | 06:39 | 07:09 | 16:58 | 17:28 | 9 h 50 min |
| 29 | 06:38 | 07:08 | 16:60 | 17:30 | 9 h 52 min |
| 30 | 06:37 | 07:07 | 17:01 | 17:31 | 9 h 54 min |
| 31 | 06:36 | 07:06 | 17:02 | 17:32 | 9 h 56 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in January?
In January the sun doesn't climb high enough in Chicago for vitamin D synthesis: the season to mind your diet or consider supplementation.
See the Chicago vitamin D guide