| Current: | CLST — Chile Summer Time |
|---|---|
| Current Offset: | UTC/GMT -3 hours |
| Difference: | 2 hours ahead of Columbus |
2016 Time Zones - Puerto Williams
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Puerto Williams during 2016.
Time Changes in Puerto Williams Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 2010 | Sun, Apr 4 at 12:00 am | CLST → CLT | -1 hour (DST end) | UTC-4h |
| Sun, Oct 10 at 12:00 am | CLT → CLST | +1 hour (DST start) | UTC-3h | |
| 2011 | Sun, May 8 at 12:00 am | CLST → CLT | -1 hour (DST end) | UTC-4h |
| Sun, Aug 21 at 12:00 am | CLT → CLST | +1 hour (DST start) | UTC-3h | |
| 2012 | Sun, Apr 29 at 12:00 am | CLST → CLT | -1 hour (DST end) | UTC-4h |
| Sun, Sep 2 at 12:00 am | CLT → CLST | +1 hour (DST start) | UTC-3h | |
| 2013 | Sun, Apr 28 at 12:00 am | CLST → CLT | -1 hour (DST end) | UTC-4h |
| Sun, Sep 8 at 12:00 am | CLT → CLST | +1 hour (DST start) | UTC-3h | |
| 2014 | Sun, Apr 27 at 12:00 am | CLST → CLT | -1 hour (DST end) | UTC-4h |
| Sun, Sep 7 at 12:00 am | CLT → CLST | +1 hour (DST start) | UTC-3h | |
| 2015 | No changes, UTC -3 hours all of the period | |||
| 2016 | Sun, May 15 at 12:00 am | CLST → CLT | -1 hour (DST end) | UTC-4h |
| Sun, Aug 14 at 12:00 am | CLT → CLST | +1 hour (DST start) | UTC-3h | |
| Sun, Dec 4 at 12:00 am | CLST (not changed) | No offset (DST end, TZ change) | UTC-3h | |
| 2017 — 2019 | No changes, UTC -3 hours all of the period | |||
| * All times are local Puerto Williams time. | ||||
Data for the years before 1970 is not available for Puerto Williams, however, we have earlier time zone history for Punta Arenas available.
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Puerto Williams
Chile
1:3523pm
Friday, December 5, 2025