Mexico
Time now in San Mateo
Monday, 24 August 2026
Sunrise 06:29Sunset 07:20Time zone UTC −6
Time zone
America/Monterrey
UTC offset
UTC −6
Daylight saving
Not in effect
Population
4
Sunrise
06:29
Sunset
07:20
Day length
12h 51m
Coordinates
25.79, -103.08
Time difference from San Mateo
Hours ahead (right) or behind (left) San Mateo right now.
San Mateo on the map
About the time in San Mateo
Around 4 people live in San Mateo, and all of them keep the same civil time, so the reading above applies to the whole urban area — not just the city centre.
San Mateo sits at latitude 25.79, in the mid-latitude band, so day length here swings noticeably between midwinter and midsummer — today's 12h 51m is one point on that curve, not a fixed value.
If you are coordinating from another country, the shortcut is the working window: a normal San Mateo day of 09:00–17:00 falls between 15:00–23:00 UTC. Convert your own hours into UTC once and you can tell at a glance whether someone there is likely to be at their desk.
Frequently asked questions about time in San Mateo
- Does San Mateo change its clocks for daylight saving?
- No. San Mateo keeps UTC −6 throughout the year.
- What time is it in San Mateo right now?
- The live clock above shows the current time in San Mateo, updating every second from America/Monterrey (UTC −6).
- Is the clock on this page accurate?
- It is synchronised with our server rather than your device, then formatted for America/Monterrey, so a drifting device clock does not affect what you see.
- Which time zone is San Mateo in?
- San Mateo uses America/Monterrey, currently UTC −6.
126,006 places in Mexico
Other cities in the same country, sized by population.