Time Zone History

Tijuana time zone history

Clocks have been changed 114 times since 1970, the most of the 12 zones in Mexico. On standard time, clocks in Tijuana run 12 minutes behind local mean solar time.

UTC−8

Standard time is UTC−8 (PDT/PST); clocks go forward to UTC−7 on the second Sunday in March and back on the first Sunday in November.

Covers: Baja California · tz database name America/Tijuana

Convert a time from Tijuana

Summer time in every year since 1970

UTC−8: today’s standard timeUTC−7:48:04: 12 minutes ahead of today’s standard timeUTC−7: 1 hour ahead of today’s standard timeUTC−8: today’s standard timeUTC−7:48:04: 12 minutes ahead oftoday’s standard timeUTC−7: 1 hour ahead of today’sstandard time

How to read this chart

Before 1970

19101920193019401950196019701910192019301940195019601970
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
December 31, 1921Local mean time (UTC−7:48:04) replacedUTC−7MST
January 1, 1924Standard time back 1 hourUTC−8PST
June 10, 1927Standard time forward 1 hourUTC−7MST
November 15, 1930Standard time back 1 hourUTC−8PST

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
Before 1970
1931April 1September 301 hour, PST to PDT
1942April 24not that year1 hour, PST to PWT
1945not that yearNovember 151 hour
1948April 5not that year1 hour, PST to PDT
1949not that yearJanuary 141 hour, PST to PDT
1950May 1September 241 hour, PST to PDT
1951–1961last Sunday in April, 02:00last Sunday in September, 02:001 hour, PST to PDT
1962–1973last Sunday in April, 01:00last Sunday in October, 02:001 hour, PST to PDT
Since 1970
1974January 6October 271 hour, PST to PDT
1975February 23October 261 hour, PST to PDT
1976–1986last Sunday in April, 02:00last Sunday in October, 02:001 hour, PST to PDT
1987–2009first Sunday in April, 02:00last Sunday in October, 02:001 hour, PST to PDT
2010–2037second Sunday in March, 02:00first Sunday in November, 02:001 hour, PST to PDT

Clock changes in 2026, 2027 and 2028

The clocks go forward 1 hour (PST to PDT) on March 8, 2026, March 14, 2027 and March 12, 2028 at 02:00 and back 1 hour (PDT to PST) on November 1, 2026, November 7, 2027 and November 5, 2028 at 02:00, local time.

Also on UTC−8

Los Angeles (United States) and Pitcairn Islands.

Clocks next door since 1970

  • Los Angeles (United States) (204 km): same time except 98 days in 2007–2009.
  • Phoenix (United States) (472 km): same time except 8,711 days in 1970–2026; 1 hour ahead today.
  • Hermosillo (694 km): same time except 9,320 days in 1970–2026; 1 hour ahead today.
  • Ciudad Juárez (995 km): usually 1 hour ahead; different on 5,238 days in 1970–2026.
  • Chihuahua (1,132 km): usually 1 hour ahead; different on 6,170 days in 1970–2026; 2 hours ahead today.

How it compares

Standard time has stayed at UTC−8 since 1930.