June 12, 2026 · St. Louis, USA
Sunset in St. Louis today is at 20:26. Day length is 14h 50m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for St. Louis's coordinates and updated daily.
St. Louis lies at 39°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for St. Louis.
The longest day in St. Louis is around 14h 52m (around June 21). The shortest is around 9h 28m (around December 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:03 | 07:18 | 9h 45m |
| February | 17:38 | 06:54 | 10h 44m |
| March | 19:07 | 07:15 | 11h 53m |
| April | 19:37 | 06:27 | 13h 10m |
| May | 20:05 | 05:51 | 14h 15m |
| June | 20:27 | 05:37 | 14h 51m |
| July | 20:26 | 05:48 | 14h 38m |
| August | 19:58 | 06:15 | 13h 43m |
| September | 19:12 | 06:42 | 12h 30m |
| October | 18:25 | 07:09 | 11h 16m |
| November | 16:50 | 06:43 | 10h 7m |
| December | 16:41 | 07:12 | 9h 29m |