Calendar invites
Recurring meetings that cross Australia (Sydney) should be checked around Apr, Oct, Sep, Mar; one side may move before the other.
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DST calendar
IANA zone: Australia/Sydney. Transitions from 2024 through 2029.
Last updated recently. DST rows are generated from the IANA timezone record for Australia/Sydney. The page is a planning reference, not a legal notice; check local government announcements for emergency or newly legislated clock changes.
Live values rendered at Jun 7, 10:05 PM UTC.
Next DST transition
Australia (Sydney)
2026-10-04 03:00 local
Quick answer
Australia (Sydney) observes seasonal clock changes in the sampled IANA range. The next modeled change is 2026-10-04 from GMT+10 to GMT+11.
IANA zone
Australia/Sydney
Current offset
UTC+10:00
Source type
IANA + policy source
Sydney follows the New South Wales DST rule, moving between AEST and AEDT. Australian states differ, so this page should not be used for Perth, Brisbane, or Darwin.
Current offset signal
UTC+10:00
Next transition
2026-10-04 · GMT+10 to GMT+11
Transition months in range
Apr, Oct, Sep, Mar
Pattern summary
3 spring-forward and 3 fall-back transitions appear in the latest sampled rows.
Recurring meetings that cross Australia (Sydney) should be checked around Apr, Oct, Sep, Mar; one side may move before the other.
Use the local time after the transition for departures, hotel check-ins, and event tickets. The repeated fall-back hour can make same-night schedules ambiguous.
Store timestamps in UTC, then render wall-clock time with Australia/Sydney. Spring-forward gaps and fall-back repeats should not be hand-coded from country names.
Most recent sampled transition: 2026-04-05 02:59 to 02:00 (GMT+11 → GMT+10).
The transition rows below are computed from the IANA timezone database for Australia/Sydney. The policy source is shown separately so users can distinguish machine-readable timezone math from legal or government clock-change notices.
Used for the exact UTC instants, abbreviations, and before/after offsets on this page.
Check IANA Time Zone DatabaseNew South Wales observes DST, but Australian states differ and Lord Howe Island has special timing behavior.
Check official policy sourceDST policy evidence
Practical use cases
Trust boundaries
These retained city pages use the same IANA zone as this DST reference. Open them when you need live local time, travel context, holidays, airports, or city-level planning rather than the zone transition table alone.
Reference fields include the IANA zone, current offset, next transition, transition months, pattern summary, policy-source label, related city clocks, and sampled before/after abbreviations.
2024-04-07 02:59 → 02:00
GMT+11 → GMT+10 (-1 hour) · UTC10
2024-10-06 01:59 → 03:00
GMT+10 → GMT+11 (+1 hour) · UTC11
2025-04-06 02:59 → 02:00
GMT+11 → GMT+10 (-1 hour) · UTC10
2025-10-05 01:59 → 03:00
GMT+10 → GMT+11 (+1 hour) · UTC11
2026-04-05 02:59 → 02:00
GMT+11 → GMT+10 (-1 hour) · UTC10
2026-10-04 01:59 → 03:00
GMT+10 → GMT+11 (+1 hour) · UTC11
2027-04-04 02:59 → 02:00
GMT+11 → GMT+10 (-1 hour) · UTC10
2027-10-03 01:59 → 03:00
GMT+10 → GMT+11 (+1 hour) · UTC11
2028-04-02 02:59 → 02:00
GMT+11 → GMT+10 (-1 hour) · UTC10
2028-10-01 01:59 → 03:00
GMT+10 → GMT+11 (+1 hour) · UTC11
2029-04-01 02:59 → 02:00
GMT+11 → GMT+10 (-1 hour) · UTC10
2029-10-07 01:59 → 03:00
GMT+10 → GMT+11 (+1 hour) · UTC11