DST of Calama in 2025
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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At Sun May 11 00:00:00 2025, clocks in Calama are turned backward 1 hour to Sat May 10 23:00:00 2025 to end DST
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At Sun Aug 10 00:00:00 2025, clocks in Calama are turned forward 1 hour to Sun Aug 10 01:00:00 2025 to start DST
DST of Calama Over Years
| Year | Commences | Abbreviations | Time Change | Offset After |
| 2010 | 04-03, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 10-10, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2011 | 05-07, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 08-21, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2012 | 04-28, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 09-02, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2013 | 04-27, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 09-08, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2014 | 04-26, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 09-07, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2015 - 2015 | No changes, UTC-0400 all of the period | |||
| 2016 | 05-14, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 08-14, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2017 | 05-13, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 08-13, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2018 | 05-12, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 08-12, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
| 2019 | 05-11, Sat 23:00 |
CLST -> CLT | 1 hour backward (end of DST) | UTC-0400 |
| 08-11, Sun 01:00 |
CLT -> CLST | 1 hour forward (start of DST) | UTC-0300 | |
