Download Alpenglow for accurate sunrise quality predictions, golden hour times, and forecasts up to 7 days ahead for San Marcos.
Check the sunset forecast for San Marcos to plan your evening photography
View Sunset Forecast →The best sunrises occur when scattered clouds catch the early light. Find a spot with a clear eastern horizon and arrive at least 20 minutes before sunrise to watch the colors develop. Mornings after a cold front often produce the most vivid skies. Use Alpenglow's quality forecast to check which days have the best conditions.
Today's sunset in San Marcos is at 6:36 PM, with full darkness arriving at 7:56 PM (America/Guatemala). The period between sunset and full darkness is twilight, when the sky gradually transitions from light to dark.
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Twilight typically lasts between 70 and 100 minutes from sunset to full darkness. It consists of three phases: civil twilight (brightest, about 30 minutes), nautical twilight (medium, about 30 minutes), and astronomical twilight (dimmest, about 30 minutes). The exact duration depends on latitude and the time of year — twilight is longer at higher latitudes and around the solstices.
The earliest sunrise in San Marcos in 2026 is at 5:37 AM on May 29 (America/Guatemala). This occurs around the summer solstice when days are longest.
