Time Zone History

Bahía de Banderas time zone history

Daylight saving time was used in 27 years since 1970, last in 2022; under the current rules the clocks no longer change. On standard time, clocks at Bahía de Banderas run 1 hour 1 minute ahead of local mean solar time, the second-largest gap of the 10 zones in Mexico whose clocks run ahead of the sun.

UTC−6

Standard time is UTC−6 (CST) all year under the current rules.

Covers: Bahía de Banderas · tz database name America/Bahia_Banderas

Convert a time from Bahía de Banderas

Summer time in 27 of 57 years since 1970

UTC−7:01, UTC−7: behind today’s standard timeUTC−6: today’s standard timeUTC−5: 1 hour ahead of today’s standard timeUTC−7:01, UTC−7: behind today’sstandard timeUTC−6: today’s standard timeUTC−5: 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−7:01) replacedUTC−7MST
June 10, 1927Standard time forward 1 hourUTC−6CST
November 15, 1930Standard time back 1 hourUTC−7MST
April 1, 1932Standard time forward 1 hourUTC−6CST
April 24, 1942Standard time back 1 hourUTC−7MST
Since 1970
April 4, 2010Standard time forward 1 hourUTC−6CST

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
Before 1970
1931April 30October 11 hour, MST to MDT
Since 1970
1996–2000first Sunday in April, 02:00last Sunday in October, 02:001 hour, MST to MDT
2001May 6September 301 hour, MST to MDT
2002–2009first Sunday in April, 02:00last Sunday in October, 02:001 hour, MST to MDT
2010not that yearOctober 311 hour
2011–2022first Sunday in April, 02:00last Sunday in October, 02:001 hour, CST to CDT

Also on UTC−6

Mexico City (Mexico), Monterrey (Mexico), Chihuahua (Mexico), Matamoros (Mexico), Ojinaga (Mexico), Mérida (Mexico), Guatemala, Belize, El Salvador and Honduras (nearest first; 17 more on the list of offsets).

Clocks next door since 1970

  • Mazatlan (294 km): same time except 6,115 days in 2010–2026; 1 hour behind today.
  • Mexico City (656 km): usually 1 hour ahead; different on 6,117 days in 1996–2026; same time today.
  • Monterrey (739 km): usually 1 hour ahead; different on 6,327 days in 1988 and 1996–2026; same time today.
  • Chihuahua (875 km): usually 1 hour ahead; different on 10,498 days in 1996–2026; same time today.
  • Matamoros (969 km): usually 1 hour ahead; different on 5,018 days in 1988 and 1996–2026; same time today.