Ushuaia

America • Argentina • Ushuaia

Argentina

Current local time

01:16:56

Sunday, May 31, 2026

UTC offset

UTC-03:00

No daylight saving changes

Ushuaia does not observe daylight saving time. Clocks stay on UTC-03:00 all year long.

Timezone details

Identifier
Abbreviation
—
Transitioned
May 30, 2021 at 10:00 PM

Location

Latitude
-54.8
Longitude
-68.3
Country
Argentina

Argentina Standard Time (AST)

FAQs

Argentina Standard Time (AST) keeps all twelve Argentine member zones steady at UTC−03:00 year-round, so you can plan with confidence—no daylight saving surprises across the country. Whether you're coordinating with Buenos Aires or Mendoza, the clock never shifts, making this single, predictable offset a quiet superpower for teams and travelers who hate recalibrating.

  • Why doesn't Argentina observe daylight saving time?

    Argentina hasn't used daylight saving changes since 2009; the country locked in a permanent UTC−03:00 zone, joining most of its continental neighbors in keeping things simple and predictable.

  • How many cities share the same time?

    All 12 member zones—from Buenos Aires to Salta and Río Gallegos—sit at UTC−03:00, so whether you call from Cordoba or Jujuy, the hour feels the same.

  • Which side of the clock is AST on globally?

    AST sits three hours behind Greenwich Mean Time (UTC−03:00), placing it in sync with parts of South America that also keep clocks steady year-round.

  • Is it safe to schedule meetings without DST worries?

    Yes—Argentina hasn't shifted since 2021; the current UTC−03:00 offset holds firm throughout the year, and no future daylight saving is expected.

  • Does this cover the whole country?

    Every corner of Argentina falls inside this single standard zone—whether urban Buenos Aires or remote Río Gallegos, the time is always the same.

  • How does AST compare with nearby regions?

    AST runs slightly ahead of Brazil's main zones but aligns perfectly with Uruguay and eastern Chile; it is a steady bridge across a patchwork of neighbors.

  • Any quirks or exceptions?

    All 12 member zones are locked to UTC−03:00, but you'll see the abbreviation "-03" showing the simplicity—no daylight saving, no regional splits.

  • How late do time changes go?

    None—Argentina dropped clock tampering in 2009; the nation holds tempo with no daylight saving shifts since, and the latest system note is from May 2021.