Sunset time in San Antonio

Sunset in San Antonio through the year

The longest day of 2026 is June 21, with 14 h 2 min between sunrise and sunset; the shortest is December 21, with 10 h 16 min. The earliest sunset around midwinter (December 2, 5:34 PM) comes 19 days before the shortest day (December 21): from then on sunsets get later even though the days are still getting shorter, because sunrise is getting later even faster. In 2026 clocks go forward on March 8 and back on November 1; sunset jumps an hour later when clocks go forward and an hour earlier when they go back.

Golden hour and blue hour in San Antonio

The evening golden hour in San Antonio lasts about 31 minutes around the March and September equinoxes, 35 minutes in late June and 36 minutes in late December. The blue hour after sunset lasts about 24, 27 and 26 minutes at those same times of year. Head out about 30 minutes before sunset to catch both.

How long the evening light lasts in San Antonio, month by month

San Antonio lies at 29.4° N, and the further a place is from the equator the more slowly the sun sinks at sunset, so the evening golden hour here runs from 31 minutes in March to 36 minutes in December, against 27 to 30 minutes all year at the equator.

How long is golden hour in San Antonio? has the same numbers with answers to the common questions.

Where to watch the sunset in San Antonio

The River Walk runs below street level, so for an open western sky go up: the observation deck of the Tower of the Americas is the high point downtown. The Museum Reach of the River Walk and the Pearl district stay lively through the blue hour.

How these times are calculated

Times are computed for San Antonio (29.42° N, 98.49° W) with the NOAA solar-position algorithm, for a flat horizon, in local time (America/Chicago). They are usually within a minute of published tables. Hills, buildings and weather can hide the sun a few minutes earlier than shown.