History of the Standard Time Zone charts of the World from 1894 to present

History of the International Date Line from 1844 to present

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History of the Daylight Saving Time (DST / Summer Time) from 1916 to present
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Daylight Saving Time DST Summer Time in 1916 map presentation arranged by WorldTimeZone
1916
Daylight Saving Time (DST / Summer Time) in 1916 (approximate)
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Daylight Saving Time DST Summer Time in 1917 map presentation arranged by WorldTimeZone
1917
Daylight Saving Time (DST / Summer Time) in 1917 (approximate)
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Daylight Saving Time DST Summer Time in 1918 map presentation arranged by WorldTimeZone
1918
Daylight Saving Time (DST / Summer Time) in 1918 (approximate)
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Daylight Saving Time DST Summer Time in 1931 map presentation arranged by WorldTimeZone
1931
Daylight Saving Time (DST / Summer Time) in 1931 (approximate)
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Daylight Saving Time DST Summer Time in 1950 map presentation arranged by WorldTimeZone
1950
Daylight Saving Time (DST / Summer Time) in 1950 (approximate)
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Daylight Saving Time DST Summer Time in 1960 map presentation arranged by WorldTimeZone
1960
Daylight Saving Time (DST / Summer Time) in 1960 (approximate)
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Daylight Saving Time DST Summer Time in 1970 map presentation arranged by WorldTimeZone
1970
Daylight Saving Time (DST / Summer Time) in 1970 (approximate)
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Daylight Saving Time DST Summer Time in 1981 map presentation arranged by WorldTimeZone
1981
Daylight Saving Time (DST / Summer Time) in 1981
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Daylight Saving Time DST Summer Time in 1990 map presentation arranged by WorldTimeZone
1990
Daylight Saving Time (DST / Summer Time) in 1990
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Daylight Saving Time DST Summer Time in 2000 map presentation arranged by WorldTimeZone
2000
Daylight Saving Time (DST / Summer Time) in 2000
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Daylight Saving Time DST Summer Time in 2010 map presentation arranged by WorldTimeZone
2010
Daylight Saving Time (DST / Summer Time) in 2010
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Daylight Saving Time DST Summer Time in 2020 map presentation arranged by WorldTimeZone
2020
Daylight Saving Time (DST / Summer Time) in 2020
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Daylight Saving Time DST Summer Time in 2021 map presentation arranged by WorldTimeZone
2021
Daylight Saving Time (DST / Summer Time) in 2021
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+12|-12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12|-12
Adoption of DST (Daylight Saving Time) / Summer Time by country / territory
/   1916   /   1917   /   1918   /   1931   /   1942-1943   /   1950   /   1960   /   1970   /   1981   /   1990   /   2000   /   2010   /   2020   /   2021  

Back to History of the International Date Line from 1844 to present

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