| Year : 1918 - Chimaltenango Guatemala |
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| Back to standard time on saturday 05 october 1918 00 h 02 (GMT - 6 h ) CST |
| Year : 1973 - Chimaltenango Guatemala |
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| Transition to daylight saving time on sunday 25 november 1973 01 h 00 (GMT - 5 h ) CDT |
| Year : 1974 - Chimaltenango Guatemala |
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| Back to standard time on saturday 23 february 1974 23 h 00 (GMT - 6 h ) CST |
| Year : 1983 - Chimaltenango Guatemala |
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| Transition to daylight saving time on saturday 21 may 1983 01 h 00 (GMT - 5 h ) CDT |
| Back to standard time on wednesday 21 september 1983 23 h 00 (GMT - 6 h ) CST |
| Year : 1991 - Chimaltenango Guatemala |
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| Transition to daylight saving time on saturday 23 march 1991 01 h 00 (GMT - 5 h ) CDT |
| Back to standard time on friday 06 september 1991 23 h 00 (GMT - 6 h ) CST |
| Year : 2006 - Chimaltenango Guatemala |
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| Transition to daylight saving time on sunday 30 april 2006 01 h 00 (GMT - 5 h ) CDT |
| Back to standard time on saturday 30 september 2006 23 h 00 (GMT - 6 h ) CST |
