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Time Change 1931 in Mexico

Last change: 2022
Oct
30
1 hour Back

Oct 30, 2022, 2:00 am

In most of Mexico

Country: Mexico
Long Name: United Mexican States
Abbreviations: MX, MEX
Capital: Mexico City
Time Zones: 3
Dial Code: +52

Note: Only some parts of Mexico used DST in 1931. Some regions of Mexico use a different period of DST than shown below.

May 1

Forward 1 hour

May 1, 1931 - Daylight Saving Time Started

When local standard time was about to reach
Friday, May 1, 1931, 11:00:00 pm clocks were turned forward 1 hour to
Saturday, May 2, 1931, 12:00:00 midnight local daylight time instead.

Sunrise and sunset were about 1 hour later on May 2, 1931 than the day before. There was more light in the evening and less light in the morning.

Also called Spring Forward, Summer Time, and Daylight Savings Time.

Oct 1

Back 1 hour

Oct 1, 1931 - Daylight Saving Time Ended

When local daylight time was about to reach
Thursday, October 1, 1931, 12:00:00 midnight clocks were turned backward 1 hour to
Wednesday, September 30, 1931, 11:00:00 pm local standard time instead.

Sunrise and sunset were about 1 hour earlier on Oct 1, 1931 than the day before. There was more light in the morning and less light in the evening.

Also called Fall Back and Winter Time.

Other years: 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 2024

When Does DST Start and End in Mexico?

Most of Mexico, including its capital Mexico City, doesn't use Daylight Saving Time (DST). However, some exceptions exist for the locations that follow the DST schedule of the United States:

Which States and Federal Districts use Daylight Saving Time in 1931

Areas in Mexico using DST in 1931
Areas in Mexico on standard time all of 1931

DST in States and Federal Districts in Mexico in 1931 (32 in total, 25 where all observe DST, 7 which don't observe DST)

AguascalientesMay 1 – Oct 1GuerreroMay 1 – Oct 1Quintana RooNo DST
Baja CaliforniaApr 1 – Sep 30HidalgoMay 1 – Oct 1San Luis PotosíMay 1 – Oct 1
Baja California SurMay 1 – Oct 1JaliscoMay 1 – Oct 1SinaloaMay 1 – Oct 1
CampecheNo DSTMichoacánMay 1 – Oct 1SonoraMay 1 – Oct 1
ChiapasMay 1 – Oct 1MorelosMay 1 – Oct 1TabascoMay 1 – Oct 1
ChihuahuaMay 1 – Oct 1MéxicoMay 1 – Oct 1TamaulipasNo DST
Ciudad de MéxicoMay 1 – Oct 1NayaritMay 1 – Oct 1TlaxcalaMay 1 – Oct 1
Coahuila de ZaragozaNo DSTNuevo LeónNo DSTVeracruzMay 1 – Oct 1
ColimaMay 1 – Oct 1OaxacaMay 1 – Oct 1YucatánNo DST
DurangoNo DSTPueblaMay 1 – Oct 1ZacatecasMay 1 – Oct 1
GuanajuatoMay 1 – Oct 1QuerétaroMay 1 – Oct 1

Daylight Saving Time History in Mexico

  • Mexico first observed Daylight Saving Time in 1931.
  • Mexico has observed DST for 67 years between 1931 and 2024 (DST in at least one location).
  • Previous time with no Daylight Saving Time was 1975.
  • See Worldwide DST Statistics

Baja California Pioneered DST

The state of Baja California introduced seasonal clock changes in 1931, remaining the only area in Mexico with a DST schedule for 65 years.

In the rest of the country, DST was introduced in 1996 and removed in 2022.