The sun, month by month
Sunrise and sunset in Chicago in April
On April 1 in Chicago the sun rises at 06:36 and sets at 19:14; on day 30 it rises at 05:49 and sets at 19:46. Over the month the day grows 80 minutes longer.
Where does the sun rise and set in Chicago in April?
Mid-April in Chicago: the sun rises in the east — a bearing of 77°, measured from true north — and sets in the west, at 283°. That is 13° north of due east at sunrise, and the same 13° north of due west at sunset. From the 1st to the last day of the month both points shift 14° north.
Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.
Day by day
All times are local to Chicago. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:08 | 06:36 | 19:14 | 19:42 | 12 h 38 min |
| 2 | 06:06 | 06:34 | 19:15 | 19:43 | 12 h 41 min |
| 3 | 06:04 | 06:32 | 19:16 | 19:44 | 12 h 44 min |
| 4 | 06:02 | 06:31 | 19:17 | 19:45 | 12 h 46 min |
| 5 | 06:01 | 06:29 | 19:18 | 19:47 | 12 h 49 min |
| 6 | 05:59 | 06:27 | 19:19 | 19:48 | 12 h 52 min |
| 7 | 05:57 | 06:25 | 19:21 | 19:49 | 12 h 55 min |
| 8 | 05:55 | 06:24 | 19:22 | 19:50 | 12 h 58 min |
| 9 | 05:54 | 06:22 | 19:23 | 19:51 | 13 h 01 min |
| 10 | 05:52 | 06:20 | 19:24 | 19:52 | 13 h 04 min |
| 11 | 05:50 | 06:19 | 19:25 | 19:54 | 13 h 06 min |
| 12 | 05:48 | 06:17 | 19:26 | 19:55 | 13 h 09 min |
| 13 | 05:47 | 06:15 | 19:27 | 19:56 | 13 h 12 min |
| 14 | 05:45 | 06:14 | 19:28 | 19:57 | 13 h 15 min |
| 15 | 05:43 | 06:12 | 19:30 | 19:58 | 13 h 18 min |
| 16 | 05:41 | 06:10 | 19:31 | 20:00 | 13 h 20 min |
| 17 | 05:40 | 06:09 | 19:32 | 20:01 | 13 h 23 min |
| 18 | 05:38 | 06:07 | 19:33 | 20:02 | 13 h 26 min |
| 19 | 05:36 | 06:06 | 19:34 | 20:03 | 13 h 29 min |
| 20 | 05:35 | 06:04 | 19:35 | 20:04 | 13 h 31 min |
| 21 | 05:33 | 06:02 | 19:36 | 20:06 | 13 h 34 min |
| 22 | 05:31 | 06:01 | 19:37 | 20:07 | 13 h 37 min |
| 23 | 05:30 | 05:59 | 19:39 | 20:08 | 13 h 39 min |
| 24 | 05:28 | 05:58 | 19:40 | 20:09 | 13 h 42 min |
| 25 | 05:27 | 05:56 | 19:41 | 20:11 | 13 h 45 min |
| 26 | 05:25 | 05:55 | 19:42 | 20:12 | 13 h 47 min |
| 27 | 05:23 | 05:53 | 19:43 | 20:13 | 13 h 50 min |
| 28 | 05:22 | 05:52 | 19:44 | 20:14 | 13 h 52 min |
| 29 | 05:20 | 05:50 | 19:45 | 20:15 | 13 h 55 min |
| 30 | 05:19 | 05:49 | 19:46 | 20:17 | 13 h 57 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in April?
In April, the typical synthesis window in Chicago runs from 10:00 to 16:00: with medium skin and a t-shirt, ~9 min at the best moment is enough.
See the Chicago vitamin D guideCommon questions about the sun in Chicago in April
- Where does the sun set in Chicago in April?
- Mid-April in Chicago: the sun sets in the west, a bearing of 283° measured from true north, which is 13° north of due west. It rises in the east, at 77°. Over the month both points shift 14° north.
- How much daylight does Chicago gain in April?
- Over April the day gets 80 minutes longer in Chicago: on April 1 the sun rises at 06:36 and sets at 19:14, and on day 30 it rises at 05:49 and sets at 19:46.
- How many hours of daylight does Chicago get in April?
- In mid-April the day lasts 13 h 18 min in Chicago, from sunrise at 06:12 to sunset at 19:30. The table has the day length for each of the 30 days of the month.
- What time does it start to get light in Chicago in April?
- In mid-April the sky starts to get light at 05:43 in Chicago, when the sun is 6° below the horizon, and the sun itself does not rise until 06:12. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Chicago in April?
- It's not the same time as sunset. In mid-April in Chicago the sun sets at 19:30, but there is still light: civil twilight does not end until 19:58, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
- What time of day can you make vitamin D in Chicago in April?
- In mid-April, between 10:00 and 16:00: that is the stretch of the day when the UV index reaches 3 in Chicago, the minimum for the skin to make vitamin D. At the best moment of the day about 9 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.