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Atlantic/Azores

Atlantic/Azores is the IANA time zone for Azores in Portugal.

UTC+00:00

Tue, Sep 29 UTC+0

Offsets and daylight saving time

Standard offset
UTC−01:00
Daylight offset
UTC+00:00
Rule
Daylight saving time from the last Sunday in March at 00:00 to the last Sunday in October at 01:00 (local time).

Next clock changes

  • Sunday, October 25, 2026 at 01:00: back to UTC−1 (UTC+0 → UTC−1)
  • Sunday, March 28, 2027 at 00:00: forward to UTC+0 (UTC−1 → UTC+0)

Names

Generic name
Azores Time
Standard / daylight
Azores Standard Time / Azores Summer Time

Use it in code

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

# Python
from zoneinfo import ZoneInfo
ZoneInfo('Atlantic/Azores')

-- PostgreSQL
SELECT now() AT TIME ZONE 'Atlantic/Azores';

Cities in Atlantic/Azores

Offset history since 1970

  • 1970–1981: UTC−1
  • 1982–1992: UTC−1 and UTC+0 each year
  • 1993: UTC−1, UTC+0 and UTC+1 during the year
  • 1994–2026: UTC−1 and UTC+0 each year

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