Vitamin D

The sun, month by month

Sunrise and sunset in Chicago in July

On July 1 in Chicago the sun rises at 05:19 and sets at 20:29; on day 31 it rises at 05:43 and sets at 20:10. Over the month the day gets 44 minutes shorter.

Sunrise05:28
Sunset20:24
Golden hour19:43–20:24
Day length14 h 56 min

Where does the sun rise and set in Chicago in July?

Where it risesNortheast60°
Where it setsNorthwest300°

Mid-July in Chicago: the sun rises in the northeast — a bearing of 60°, measured from true north — and sets in the northwest, at 300°. That is 30° north of due east at sunrise, and the same 30° north of due west at sunset. From the 1st to the last day of the month both points shift 7° south.

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.

DayDawnSunriseSunsetDuskDay length
104:4505:1920:2921:0315 h 11 min
204:4505:1920:2921:0315 h 10 min
304:4605:2020:2921:0315 h 09 min
404:4605:2020:2921:0315 h 08 min
504:4705:2120:2821:0215 h 08 min
604:4805:2220:2821:0215 h 07 min
704:4805:2220:2821:0215 h 06 min
804:4905:2320:2821:0115 h 05 min
904:5005:2420:2721:0115 h 04 min
1004:5105:2420:2721:0015 h 02 min
1104:5105:2520:2621:0015 h 01 min
1204:5205:2620:2620:5915 h 00 min
1304:5305:2720:2520:5914 h 59 min
1404:5405:2720:2520:5814 h 57 min
1504:5505:2820:2420:5714 h 56 min
1604:5605:2920:2320:5614 h 54 min
1704:5705:3020:2320:5614 h 53 min
1804:5805:3120:2220:5514 h 51 min
1904:5905:3220:2120:5414 h 50 min
2005:0005:3320:2120:5314 h 48 min
2105:0105:3320:2020:5214 h 46 min
2205:0205:3420:1920:5114 h 45 min
2305:0305:3520:1820:5014 h 43 min
2405:0405:3620:1720:4914 h 41 min
2505:0505:3720:1620:4814 h 39 min
2605:0605:3820:1520:4714 h 37 min
2705:0705:3920:1420:4614 h 35 min
2805:0805:4020:1320:4514 h 33 min
2905:0905:4120:1220:4414 h 31 min
3005:1105:4220:1120:4314 h 29 min
3105:1205:4320:1020:4114 h 27 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in July?

In July, the typical synthesis window in Chicago runs from 09:00 to 17:00: with medium skin and a t-shirt, ~6 min at the best moment is enough.

See the Chicago vitamin D guide

Common questions about the sun in Chicago in July

Where does the sun set in Chicago in July?
Mid-July in Chicago: the sun sets in the northwest, a bearing of 300° measured from true north, which is 30° north of due west. It rises in the northeast, at 60°. Over the month both points shift 7° south.
How much daylight does Chicago lose in July?
Over July the day gets 44 minutes shorter in Chicago: on July 1 the sun rises at 05:19 and sets at 20:29, and on day 31 it rises at 05:43 and sets at 20:10.
How many hours of daylight does Chicago get in July?
In mid-July the day lasts 14 h 56 min in Chicago, from sunrise at 05:28 to sunset at 20:24. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Chicago in July?
In mid-July the sky starts to get light at 04:55 in Chicago, when the sun is 6° below the horizon, and the sun itself does not rise until 05:28. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Chicago in July?
It's not the same time as sunset. In mid-July in Chicago the sun sets at 20:24, but there is still light: civil twilight does not end until 20:57, 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 July?
In mid-July, between 09:00 and 17:00: 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 6 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.