July 20, 2026 · San Luis Potosí, Mexico
Sunrise in San Luis Potosí today is at 06:12. Day length is 13h 18m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for San Luis Potosí's coordinates and updated daily.
San Luis Potosí lies at 22°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for San Luis Potosí.
The longest day in San Luis Potosí is around 13h 29m (around June 21). The shortest is around 10h 47m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 07:26 | 18:21 | 10h 55m |
| February | 07:17 | 18:41 | 11h 24m |
| March | 06:54 | 18:54 | 11h 59m |
| April | 06:26 | 19:04 | 12h 38m |
| May | 06:06 | 19:17 | 13h 11m |
| June | 06:01 | 19:29 | 13h 29m |
| July | 06:09 | 19:32 | 13h 22m |
| August | 06:22 | 19:17 | 12h 55m |
| September | 06:31 | 18:50 | 12h 18m |
| October | 06:40 | 18:21 | 11h 40m |
| November | 06:56 | 18:02 | 11h 6m |
| December | 07:16 | 18:03 | 10h 47m |