Time now in San Mateo Segunda Sección

The zone identifier America/Mexico_City is the value you want in code, calendars and travel systems. Abbreviations change with the season, but America/Mexico_City keeps pointing at Mexico City time whatever the date, which is why every timestamp on this page is built from it.

Sunrise today lands at 06:20 and sunset at 06:58 local time, giving 12h 39m of daylight. Those figures come from the city's own coordinates (19.89, -99.33) rather than a country-wide average, so they match what you would actually see from a window in San Mateo Segunda Sección.

If you are coordinating from another country, the shortcut is the working window: a normal San Mateo Segunda Sección 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.