Time Zone History

Barbados time zone history

Daylight saving time was used in 4 years since 1970, last in 1980; under the current rules the clocks no longer change. On standard time, clocks in Barbados run 2 minutes behind local mean solar time.

UTC−4

Standard time is UTC−4 (AST) all year under the current rules.

tz database name America/Barbados

Convert a time from Barbados

Summer time in 4 of 57 years since 1970

UTC−4: today’s standard timeUTC−3:58:29, UTC−3:30: ahead of today’s standard timeUTC−3: 1 hour ahead of today’s standard timeUTC−4: today’s standard timeUTC−3:58:29, UTC−3:30: ahead oftoday’s standard timeUTC−3: 1 hour ahead of today’sstandard time

How to read this chart

Before 1970

190019201940196019001940
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
August 28, 1911Local mean time (UTC−3:58:29) replacedUTC−4AST

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
Before 1970
1942April 19August 311 hour, AST to ADT
1943May 2September 51 hour, AST to ADT
1944April 10September 1030 minutes
Since 1970
1977June 12October 21 hour, AST to ADT
1978April 16October 11 hour, AST to ADT
1979April 15September 301 hour, AST to ADT
1980April 20September 251 hour, AST to ADT

Also on UTC−4

Martinique, Guyana, Venezuela, Puerto Rico, Boa Vista (Brazil), Dominican Republic, Manaus (Brazil), Bermuda, Porto Velho (Brazil) and Cuiabá (Brazil) (nearest first; 8 more on the list of offsets).

Clocks next door since 1970

  • Martinique (230 km): same time except 465 days in 1977–1980.
  • Guyana (718 km): same time except 7,517 days in 1970–1992.
  • Venezuela (847 km): same time except 3,672 days in 1977–1980 and 2007–2016.
  • Puerto Rico (915 km): same time except 606 days in 1977–1980.
  • Suriname (944 km): usually 1 hour ahead; different on 5,387 days in 1970–1984.

How it compares

Standard time has stayed at UTC−4 since 1911.