Autumn Equinox in San Mateo
United States — September 23, 2026
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Days
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Hours
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Minutes
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Seconds
until Autumn Equinox on September 23, 2026
58% elapsed
154 days remaining
San Mateo
19:01:08
America/Los_Angeles
GMT / UTC
02:01:08
Etc/UTC
Mecca
05:01:08
UTC+3
About Autumn Equinox
The moment when day and night are nearly equal in length, marking the start of autumn around September 22.
Based on solar calculation. Actual date may vary by local authority or moon sighting.
San Mateo Quick Facts
- Country
- 🇺🇸 United States
- Timezone
- America/Los_Angeles
- Population
- 103,536
- Coordinates
- 37.563, -122.3255
Sun Times Today in San Mateo
Sunrise
06:25
Solar Noon
13:07
Sunset
19:50
Golden Hour
19:14
Daylight
13h 24m
Local time
Prayer Times Today in San Mateo
| Prayer | Time (Local) |
|---|---|
| Fajr | 04:50 |
| Sunrise | 06:25 |
| Dhuhr | 13:07 |
| Asr | 16:52 |
| Maghrib | 19:50 |
| Isha | 21:19 |
Based on MWL calculation method. Local time.
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Frequently Asked Questions
- When is Autumn Equinox in San Mateo?
- Autumn Equinox in San Mateo falls on Wednesday, September 23, 2026.
- What timezone is San Mateo in?
- San Mateo is in the America/Los_Angeles timezone.