Australia/Adelaide time zone

Australia/Adelaide is an IANA time zone used in Australia. It is on daylight saving time now, UTC+10:30 (ACDT), until Sunday, April 4, 2027.

Australia/Adelaide at a glance

How Australia/Adelaide keeps time

Australia/Adelaide switches between two offsets: UTC+9:30 (ACST) for standard time and UTC+10:30 (ACDT) for daylight saving time. Below are the last changes and the ones scheduled next.

Recent and upcoming changes in Australia/Adelaide

Countries and cities on Australia/Adelaide

Australia/Adelaide is used in Australia. These are the largest cities in our list that follow it.

• Adelaide

Australia/Adelaide compared with other time zones

Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.

Other zones on UTC+10:30 right now

These IANA zones show the same time as Australia/Adelaide today. Their clock-change rules may differ.

• Australia/Broken_Hill

Using Australia/Adelaide in software

Store and send the zone as its IANA name, Australia/Adelaide, not as a fixed offset. A fixed offset such as UTC+10:30 gives the wrong result after the next clock change.

Show the current time in Australia/Adelaide:

// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Australia/Adelaide', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Australia/Adelaide'))
// PHP
(new DateTime('now', new DateTimeZone('Australia/Adelaide')))->format('c');
# Shell
TZ=Australia/Adelaide date

Tools for time in Australia/Adelaide

• Convert a time to or from Australia/Adelaide: pick a date and time and see it in every city on your list.
• Add Adelaide to your world clock to keep it next to your own time.
• Find a meeting time that falls inside office hours in Australia/Adelaide and the other cities you work with.
• Open a full-screen clock for your own time zone.

Frequently asked questions

Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.