Iztapalapa in numbers
- Coordinates
- 19.3553, -99.0622
- Population
- 1 835 486
- Region
- Mexico City
- Country
- Mexico, North America
- Capital
- Mexico City — 11 km away
Iztapalapa keeps Mexico City’s civil hour, UTC−6, all year under the current national rule. The clock here is local time in this eastern borough. Sunrise, sunset, and basin weather are calculated for this place.
Iztapalapa, Mexico
Friday, 4 September 2026
UTC−6 · America/Mexico_City
Local time in Iztapalapa
UTC−6 · no daylight saving time
Sunrise 06:23 Solar noon 12:37 Sunset 18:50 Daylight 12 h 27 min Night 11 h 33 min Civil twilight 06:01 – 19:12
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Weather data by Open-Meteo, updated every 30 minutes.
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
What time is it in Iztapalapa is the wall hour in this city in Mexico City, Mexico — an eastern borough of the capital, not a separate state zone. The IANA identifier computers attach is America/Mexico_City. A clock in the historic centre and a clock in Iztapalapa should agree on the hour. They should not agree on the exact minute the sun clears a ridge, and they should not agree on a street flood after rain.
Central Mexico does not currently spring forward. Visitors who pack a United States habit will mis-set alarms on the first Monday. Much of the U.S. still jumps. This borough does not. When their clocks move, the difference between you and them changes by an hour even though nothing in Iztapalapa moved. Convert against today’s clock. Do not copy a March U.S. switch onto this page.
Mexico is not one stamp from border to reef. Baja California keeps Pacific Time. Quintana Roo keeps Eastern Time. Some northern border municipalities follow the U.S. seasonal pattern. Iztapalapa is none of those. It is Mexico City time, UTC−6, through the year.
UTC−6 is built on 90°W. Iztapalapa sits west of that meridian, in the Basin of Mexico. The sun’s highest point therefore comes after 12:00 on the wall. School bells and office lunch are civil habits. The sun’s peak over the eastern borough is a later minute. Photographers on a rooftop and clerks in a mercado can both be right if they name which clock they meant.
Altitude shapes how the day feels. The basin sits high enough that nights can cool without the clocks falling back. Cool air is weather. It is not a second zone. A ride from Iztapalapa toward a higher slope does not cross a time belt. It changes the view and how soon a volcano hides the disc. The printed hour stays UTC−6.
Civil stamp: Mexico City time, UTC−6, all year under the current rule. Computer name: America/Mexico_City. Not Pacific: Baja California is a different Mexican hour. Not Eastern: Quintana Roo is a different Mexican hour.
Not U.S. Central Daylight Time: this borough does not jump with Texas. Write CST only with care. In North American mail that abbreviation often means a clock that still springs forward. Write UTC−6 or “Iztapalapa, Mexico City” on the invite. Put the borough back in the sentence. The offset can stay.
The capital’s year has a drier stretch and a wetter stretch. Rain in the warm months can stall a street while the invitation still says 15:00. Winter mornings can be bright and hazy. None of that reprints UTC−6. A storm that darkens noon is still noon on this clock. The sun table will keep listing a sunset. Whether the disc is visible over the eastern ridge is a weather question, not a zone question.
Day length here changes more than in a true equatorial city and less than in a northern U.S. city. You will notice June versus December if you leave a gate at the same civil minute. Do not paste a Monterrey sunrise into this block. Close is not this borough’s coordinates. Do not paste a Chicago sunset either: that city still jumps, and it is not this basin.
Altitude cools the evening. It does not rewind the clock. Use the civil clock for anyone who is not on this street. Use the sun table for a photograph toward the volcanoes. Use the weather line for rain and dust. Iztapalapa will still be on America/Mexico_City while those three disagree, which they often will: a 6 p.m. that is still glaring, a dawn that is already busy, a noon that looks grey. That disagreement is basin weather and light, not another Mexican stamp.