Time Zone History

Micronesia time zone history

The record holds 6 different UTC offsets, tied for the most among the 9 zones on UTC+11 standard time. Kosrae left local mean time (UTC+10:51:56) in 1901, tied second-earliest switch among the 9 zones on UTC+11 standard time.

UTC+11

Standard time is UTC+11 all year under the current rules.

tz database name Pacific/Kosrae

Convert a time from Micronesia

Once a new standard time since 1970

UTC−13:08:04: 24 hours 8 minutes behind today’s standard timeUTC+9: 2 hours behind today’s standard timeUTC+10: 1 hour behind today’s standard timeUTC+10:51:56: 8 minutes behind today’s standard timeUTC+11: today’s standard timeUTC+12: 1 hour ahead of today’s standard timeUTC−13:08:04: 24 hours 8 minutesbehind today’s standard timeUTC+9: 2 hours behind today’sstandard timeUTC+10: 1 hour behind today’sstandard timeUTC+10:51:56: 8 minutes behindtoday’s standard timeUTC+11: today’s standard timeUTC+12: 1 hour ahead of today’sstandard time

How to read this chart

Before 1970

18401860188019001920194019601840188019201960
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
December 31, 1844Standard time forward 24 hoursUTC+10:51:56LMT
January 1, 1901Local mean time (UTC+10:51:56) replacedUTC+11numeric only
October 1, 1914Standard time back 2 hoursUTC+9numeric only
February 1, 1919Standard time forward 2 hoursUTC+11numeric only
January 1, 1937Standard time back 1 hourUTC+10numeric only
April 1, 1941Standard time back 1 hourUTC+9numeric only
August 1, 1945Standard time forward 2 hoursUTC+11numeric only
October 1, 1969Standard time forward 1 hourUTC+12numeric only
Since 1970
January 1, 1999Standard time back 1 hourUTC+11numeric only

Also on UTC+11

Bougainville (Papua New Guinea), Solomon Islands, Vanuatu, New Caledonia, Norfolk Island, Sakhalin (Russia), Magadan (Russia) and Srednekolymsk (Russia).

Clocks next door since 1970

  • Marshall Islands (637 km): usually 1 hour ahead; different on 10,592 days in 1970–1998.
  • Nauru (782 km): usually 1 hour ahead; different on 10,592 days in 1970–1998.
  • Tarawa (Kiribati) (1,193 km): same time except 10,228 days in 1998–2026; 1 hour ahead today.
  • Bougainville (Papua New Guinea) (1,524 km): usually 2 hours behind; different on 10,228 days in 1998–2026; same time today.
  • Solomon Islands (1,680 km): usually 1 hour behind; different on 10,228 days in 1998–2026; same time today.

How it compares

On standard time, clocks in Kosrae run 8 minutes ahead of local mean solar time.