Sun Times in San Mateo
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Frequently Asked Questions
What time is sunrise in San Mateo?
Sunrise in San Mateo on Friday, August 14, 2026 is at 6:24 AM (America/Los_Angeles). This time is calculated from the city's coordinates.
What time is sunset in San Mateo?
Sunset in San Mateo on Friday, August 14, 2026 is at 8:02 PM (America/Los_Angeles). This time is calculated from the city's coordinates.
When is golden hour in San Mateo?
Morning golden hour in San Mateo ends at 7:00 AM. Evening golden hour starts at 7:26 PM.
How long is the day in San Mateo?
On Friday, August 14, 2026 in San Mateo there are 13 hours and 38 minutes of daylight between sunrise and sunset.
What time is the sun at its highest point in San Mateo?
The sun reaches its highest point (solar noon) in San Mateo at 1:13 PM (America/Los_Angeles). This is when the sun crosses the meridian and shadows are at their shortest.
What time does it get dark in San Mateo?
In San Mateo, sunset is at 8:02 PM and it gets fully dark (astronomical dusk) at 9:39 PM (America/Los_Angeles). Civil twilight ends at 8:30 PM when outdoor activities need artificial light.
How long does twilight last in San Mateo?
Twilight in San Mateo lasts approximately 97 minutes from sunset to full darkness (astronomical dusk). This includes civil twilight, nautical twilight, and astronomical twilight.
What is the earliest sunrise of the year in San Mateo?
The earliest sunrise in San Mateo in 2026 is at 5:47 AM on June 7 (America/Los_Angeles). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in San Mateo?
The latest sunset in San Mateo in 2026 is at 8:34 PM on June 21 (America/Los_Angeles). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in San Mateo?
After sunset at 8:02 PM in San Mateo, civil twilight ends at 8:30 PM — about 28 minutes later — when the sky becomes too dark for outdoor activities without artificial light. Full darkness (astronomical dusk) arrives at 9:39 PM (America/Los_Angeles).
What these times mean
Solar times in San Mateo shift throughout the year. Each stage of the day brings distinct light that photographers, outdoor planners, and everyday users rely on.
- Dawn
- The first usable twilight before sunrise, when the horizon brightens and color gradually returns to the sky.
- Sunrise
- The moment the upper edge of the sun appears above the horizon, starting direct daylight.
- Golden Hour
- The low-angle window just after sunrise and just before sunset, producing warm, soft light favored by photographers.
- Sunset
- The moment the upper edge of the sun drops below the horizon, ending direct sunlight for the day.
- Dusk
- The fading twilight after sunset, ending with astronomical dusk when the sky becomes fully dark.
Monthly daylight in San Mateo
Sunrise, sunset, and total daylight in San Mateo on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:22 AM | 5:15 PM | 9h 52m |
| February | 6:58 AM | 5:48 PM | 10h 50m |
| March | 7:20 AM | 7:16 PM | 11h 57m |
| April | 6:34 AM | 7:44 PM | 13h 11m |
| May | 5:59 AM | 8:12 PM | 14h 12m |
| June | 5:47 AM | 8:32 PM | 14h 45m |
| July | 6:00 AM | 8:30 PM | 14h 30m |
| August | 6:25 AM | 8:01 PM | 13h 36m |
| September | 6:51 AM | 7:16 PM | 12h 25m |
| October | 7:17 AM | 6:31 PM | 11h 14m |
| November | 6:49 AM | 4:58 PM | 10h 09m |
| December | 7:16 AM | 4:52 PM | 9h 35m |
Forecasts for San Mateo
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