Sunrise & Sunset in San Marcos, TX
Today's sun times for San Marcos, Texas — . All times are San Marcos local time (its own time zone), computed live in your browser for today.
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First/last light = civil twilight (sun <6° below the horizon), from San Marcos's coordinates — accurate to a minute or two.
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Sunrise & sunset through the year
What time is sunrise in San Marcos, TX today?
The card above computes it live in your browser for today's date, using San Marcos's coordinates — along with sunset, solar noon, first light and last light, all in San Marcos's own time zone.
What are first light and last light?
Civil twilight — when the sun is less than 6° below the horizon. It's bright enough for most outdoor activities before sunrise and after sunset.
Why do the times change every day?
Earth's tilted axis means the sun's path moves through the seasons — days lengthen toward the summer solstice and shorten toward the winter solstice, so sunrise and sunset shift a little every day.