AEST — Australian Eastern Standard Time
AEST is Australian Eastern Standard Time, +10:00, used in Oceania. In code, use Australia/Sydney rather than the abbreviation.
Australian Eastern Standard Time · Oceania
10:26:01
Thursday, 13 August 2026
- abbreviation denotes
- +10:00
- in force right now
- AEST (UTC+10:00)
- use in code
- Australia/Sydney
- also valid
- Australia/Brisbane
- next clock change
- 4 Oct 2026 03:00 → AEDT
Use the IANA name, not the abbreviation
Python
from datetime import datetime
from zoneinfo import ZoneInfo
# right: an IANA zone carries the full history of rule changes
now = datetime.now(ZoneInfo("Australia/Sydney"))
print(now.isoformat(), now.tzname())
# wrong: an abbreviation is not resolvable, and a hard-coded offset
# silently rots the next time the rules change
# now = datetime.now(timezone(timedelta(hours=...))) # don'tAEST questions
What does AEST stand for?
AEST is Australian Eastern Standard Time, +10:00, used in Oceania. The IANA zone to use in code is Australia/Sydney.
What time is it in AEST right now?
Australian Eastern Standard Time: 10:26 on Thursday (AEST).
Which IANA timezone should I use instead of AEST?
Australia/Sydney for Australian Eastern Standard Time. Date libraries cannot resolve bare abbreviations, and an abbreviation carries no daylight-saving history, so a stored offset silently rots when a government changes the rules.