| Sunrise | Sunset | Daylight | |
|---|---|---|---|
| Today | 05:56 | 20:00 | 14h 04m |
| Tomorrow | 05:55 | 20:01 | 14h 06m |
| Change | −1m | +1m | +2m |
Positive change in sunset / daylight = days are getting longer. Negative change in sunrise = sun is rising earlier.
Today's light segments for St. Louis, MO. Amber = daylight, violet = twilight, dark = night.
Sunrise and sunset on the 1st of each month in St. Louis, MO.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 07:19 | 16:50 | 9h 31m |
| February | 07:08 | 17:22 | 10h 14m |
| March | 06:36 | 17:53 | 11h 17m |
| April | 06:48 | 19:23 | 12h 35m |
| May | 06:05 | 19:52 | 13h 47m |
| June | 05:40 | 20:19 | 14h 39m |
| July | 05:40 | 20:30 | 14h 50m |
| August | 06:02 | 20:14 | 14h 12m |
| September | 06:30 | 19:34 | 13h 04m |
| October | 06:56 | 18:47 | 11h 51m |
| November | 07:27 | 18:03 | 10h 36m |
| December | 07:00 | 16:41 | 9h 41m |
St. Louis, MO is located at 38.63°N, 90.20°W. Its latitude determines how dramatically daylight hours change through the year.
The city uses the America/Chicago timezone (CDT). It observes Daylight Saving Time, so sunrise and sunset times shift by one hour in spring and autumn.
Solar noon — the moment the sun reaches its highest point in the sky — occurs when the sun crosses the local meridian. In St. Louis, MO this falls around 12:59 in mid-summer and 11:50 in December, reflecting UTC offset and any DST adjustments.