Time Zone History

Fernando de Noronha time zone history

Daylight saving time was used in 10 years since 1970, last in 2002; under the current rules the clocks no longer change. On standard time, clocks in Fernando de Noronha run 10 minutes ahead of local mean solar time.

UTC−2

Standard time is UTC−2 all year under the current rules.

Covers: Atlantic islands (Fernando de Noronha) · tz database name America/Noronha

Convert a time from Fernando de Noronha

Summer time in 10 of 57 years since 1970

UTC−2:09:40: 10 minutes behind today’s standard timeUTC−2: today’s standard timeUTC−1: 1 hour ahead of today’s standard timeUTC−2:09:40: 10 minutes behindtoday’s standard timeUTC−2: today’s standard timeUTC−1: 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
January 1, 1914Local mean time (UTC−2:09:40) replacedUTC−2numeric only

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
Before 1970
1931October 3not that year1 hour
1932October 3April 11 hour
1933not that yearApril 11 hour
1949December 1not that year1 hour
1950December 1April 161 hour
1951–19521 December, 00:001 April, 00:001 hour
1953not that yearMarch 11 hour
1963December 9not that year1 hour
1964not that yearMarch 11 hour
1965January 31, December 1April 11 hour
1966–19671 November, 00:001 March, 01:001 hour
1968not that yearMarch 11 hour
Since 1970
1985November 2not that year1 hour
1986October 25March 151 hour
1987October 25February 141 hour
1988October 16February 71 hour
1989October 15January 291 hour
1990not that yearFebruary 111 hour
1999–2002dates set year by year (listed below)1 hour

1999–2002, year by year

  • 1999 forward October 3
  • 2000 forward October 8; back February 27, October 15
  • 2001 forward October 14
  • 2002 back February 17

Also on UTC−2

South Georgia and the South Sandwich Islands, Nuuk (Greenland) and Ittoqqortoormiit (Greenland).

Clocks next door since 1970

  • Recife (542 km): usually 1 hour behind; different on 1 day in 1985–1990 and 1999–2002.
  • Fortaleza (675 km): usually 1 hour behind; different on 8 days in 1985–1990 and 1999–2002.
  • Maceió (742 km): usually 1 hour behind; different on 127 days in 1985–1990, 1995, 1996 and 1999–2002.
  • Bahia (1,217 km): usually 1 hour behind; different on 1,476 days in 1985–2003, 2011 and 2012.
  • Araguaína (1,786 km): usually 1 hour behind; different on 881 days in 1985–1990, 1995–2003, 2012 and 2013.

How it compares

Standard time has stayed at UTC−2 since 1914.