| Current: | CLST — Chile Summer Time |
|---|---|
| Current Offset: | UTC/GMT -3 hours |
| Difference: | 2 hours ahead of Chicago |
2025 Time Zones - Cerro Roca Negra
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The graph above illustrates clock changes in Cerro Roca Negra during 2025.
Time Changes in Cerro Roca Negra 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 |
|---|---|---|---|---|
| 2024 | Sun, Apr 7 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 | |
| 2025 | Sun, Apr 6 at 12:00 am | CLST (not changed) | No offset (DST end, TZ change) | UTC-3h |
| 2026 — 2028 | No known changes, UTC -3 hours all of the period | |||
| * All times are local Cerro Roca Negra time. | ||||
Data for the years before 1970 is not available for Cerro Roca Negra, however, we have earlier time zone history for Coyhaique available.
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Cerro Roca Negra
Argentina
6:22
57
pm
Thursday, September 11, 2025