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America/Santiago

America/Santiago is the IANA time zone for most of Chile in Chile.

UTC−03:00

Tue, Sep 29 UTC−3 CLST

Offsets and daylight saving time

Standard offset
UTC−04:00
Daylight offset
UTC−03:00
Rule
Daylight saving time from the first Sunday on or after September 2 at 00:00 to the first Sunday on or after April 2 at 00:00 (local time).

Next clock changes

  • Sunday, April 4, 2027 at 00:00: back to UTC−4 (CLST → CLT)
  • Sunday, September 5, 2027 at 00:00: forward to UTC−3 (CLT → CLST)

Names

Generic name
Chile Time
Abbreviation
CLT / CLST
Standard / daylight
Chile Standard Time / Chile Summer Time
Aliases
Chile/Continental (old ids that resolve to America/Santiago)

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'America/Santiago' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('America/Santiago')

-- PostgreSQL
SELECT now() AT TIME ZONE 'America/Santiago';

Cities in America/Santiago

Also in this zone: Puente Alto, Maipú, Antofagasta, Viña del Mar, Valparaíso, San Bernardo, Puerto Montt, Arica, Peñalolén, Temuco, Concepción, Rancagua, Quilicura, La Pintana, Iquique, Talca, Calama.

Offset history since 1970

  • 1970–2014: UTC−4 and UTC−3 each year
  • 2015: UTC−3
  • 2016–2026: UTC−4 and UTC−3 each year

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