Time Zone History

Nicaragua time zone history

Nicaragua has changed its standard time 6 times since 1970, the most of the 80 zones in North and Central America. Daylight saving time was used in 4 years since 1970, last in 2006; under the current rules the clocks no longer change.

UTC−6

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

tz database name America/Managua

Convert a time from Nicaragua

Summer time in 4 of 57 years since 1970

UTC−6: today’s standard timeUTC−5:45:12, UTC−5:45:08: ahead of today’s standard timeUTC−5: 1 hour ahead of today’s standard timeUTC−6: today’s standard timeUTC−5:45:12, UTC−5:45:08: ahead oftoday’s standard timeUTC−5: 1 hour ahead of today’sstandard time

How to read this chart

Before 1970

18801900192019401960188019201960
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
January 1, 1890Local mean time (UTC−5:45:08) replacedUTC−5:45:12MMT
June 23, 1934Standard time back 15 minutesUTC−6CST
Since 1970
May 1, 1973Standard time forward 1 hourUTC−5EST
February 16, 1975Standard time back 1 hourUTC−6CST
January 1, 1992Standard time forward 1 hourUTC−5EST
September 24, 1992Standard time back 1 hourUTC−6CST
January 1, 1993Standard time forward 1 hourUTC−5EST
January 1, 1997Standard time back 1 hourUTC−6CST

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
1979–1980third Sunday in March, 00:00fourth Monday in June, 00:001 hour, CST to CDT
2005April 10October 21 hour, CST to CDT
2006April 30October 11 hour, CST to CDT

Also on UTC−6

Honduras, Costa Rica, El Salvador, Guatemala, Belize, Mérida (Mexico), Galápagos Islands (Ecuador), Mexico City (Mexico), Matamoros (Mexico) and Monterrey (Mexico) (nearest first; 17 more on the list of offsets).

Clocks next door since 1970

  • Honduras (239 km): same time except 3,112 days in 15 different years between 1973 and 2006.
  • Costa Rica (344 km): same time except 2,905 days in 1973–1975, 1979, 1980, 1991–1997, 2005 and 2006.
  • El Salvador (360 km): same time except 3,204 days in 15 different years between 1973 and 2006.
  • Guatemala (535 km): same time except 2,958 days in 15 different years between 1973 and 2006.
  • Belize (630 km): same time except 2,900 days in 15 different years between 1973 and 2006.
  • Panama (818 km): usually 1 hour ahead; different on 2,910 days in 1973–1975, 1979, 1980, 1992–1997, 2005 and 2006.

How it compares

On standard time, clocks in Managua run 15 minutes behind local mean solar time.