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Australia/Sydney

Australia/Sydney is the IANA time zone for New South Wales (most areas) in Australia.

UTC+10:00

Tue, Sep 29 UTC+10 AEST

Offsets and daylight saving time

Standard offset
UTC+10:00
Daylight offset
UTC+11:00
Rule
Daylight saving time from the first Sunday in October at 02:00 to the first Sunday in April at 03:00 (local time).

Next clock changes

  • Sunday, October 4, 2026 at 02:00: forward to UTC+11 (AEST → AEDT)
  • Sunday, April 4, 2027 at 03:00: back to UTC+10 (AEDT → AEST)

Names

Generic name
Australian Eastern Time
Abbreviation
AEST / AEDT
Standard / daylight
Australian Eastern Standard Time / Australian Eastern Daylight Time
Aliases
Australia/ACT, Australia/Canberra and Australia/NSW (old ids that resolve to Australia/Sydney)

Use it in code

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

# Python
from zoneinfo import ZoneInfo
ZoneInfo('Australia/Sydney')

-- PostgreSQL
SELECT now() AT TIME ZONE 'Australia/Sydney';

Cities in Australia/Sydney

Also in this zone: Newcastle, Central Coast, Wollongong.

Offset history since 1970

  • 1970: UTC+10
  • 1971–2026: UTC+10 and UTC+11 each year

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