The sun, month by month
Sunrise and sunset in Chicago in March
On March 1 in Chicago the sun rises at 06:29 and sets at 17:38; on day 31 it rises at 06:38 and sets at 19:13. Over the month the day grows 86 minutes longer.
Sunrise07:06
Sunset18:55
Golden hour18:18–18:55
Day length11 h 49 min
Day by day
All times are local to Chicago. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:01 | 06:29 | 17:38 | 18:06 | 11 h 09 min |
| 2 | 05:59 | 06:27 | 17:39 | 18:07 | 11 h 12 min |
| 3 | 05:58 | 06:26 | 17:40 | 18:08 | 11 h 15 min |
| 4 | 05:56 | 06:24 | 17:42 | 18:10 | 11 h 17 min |
| 5 | 05:55 | 06:23 | 17:43 | 18:11 | 11 h 20 min |
| 6 | 05:53 | 06:21 | 17:44 | 18:12 | 11 h 23 min |
| 7 | 05:51 | 06:19 | 17:45 | 18:13 | 11 h 26 min |
| 8 | 05:50 | 06:18 | 17:46 | 18:14 | 11 h 29 min |
| 9 | 06:48 | 07:16 | 18:48 | 19:15 | 11 h 32 min |
| 10 | 06:47 | 07:14 | 18:49 | 19:17 | 11 h 34 min |
| 11 | 06:45 | 07:13 | 18:50 | 19:18 | 11 h 37 min |
| 12 | 06:43 | 07:11 | 18:51 | 19:19 | 11 h 40 min |
| 13 | 06:41 | 07:09 | 18:52 | 19:20 | 11 h 43 min |
| 14 | 06:40 | 07:08 | 18:53 | 19:21 | 11 h 46 min |
| 15 | 06:38 | 07:06 | 18:55 | 19:22 | 11 h 49 min |
| 16 | 06:36 | 07:04 | 18:56 | 19:23 | 11 h 52 min |
| 17 | 06:35 | 07:02 | 18:57 | 19:25 | 11 h 54 min |
| 18 | 06:33 | 07:01 | 18:58 | 19:26 | 11 h 57 min |
| 19 | 06:31 | 06:59 | 18:59 | 19:27 | 12 h 00 min |
| 20 | 06:29 | 06:57 | 19:00 | 19:28 | 12 h 03 min |
| 21 | 06:28 | 06:55 | 19:01 | 19:29 | 12 h 06 min |
| 22 | 06:26 | 06:54 | 19:03 | 19:30 | 12 h 09 min |
| 23 | 06:24 | 06:52 | 19:04 | 19:31 | 12 h 12 min |
| 24 | 06:22 | 06:50 | 19:05 | 19:33 | 12 h 15 min |
| 25 | 06:20 | 06:48 | 19:06 | 19:34 | 12 h 18 min |
| 26 | 06:19 | 06:47 | 19:07 | 19:35 | 12 h 21 min |
| 27 | 06:17 | 06:45 | 19:08 | 19:36 | 12 h 23 min |
| 28 | 06:15 | 06:43 | 19:09 | 19:37 | 12 h 26 min |
| 29 | 06:13 | 06:41 | 19:10 | 19:38 | 12 h 29 min |
| 30 | 06:11 | 06:39 | 19:12 | 19:40 | 12 h 32 min |
| 31 | 06:10 | 06:38 | 19:13 | 19:41 | 12 h 35 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in March?
In March, the typical synthesis window in Chicago runs from 11:00 to 16:00: with medium skin and a t-shirt, ~13 min at the best moment is enough.
See the Chicago vitamin D guide