World Timezones

Adelaide to Sydney Converter

Compare Sydney to Adelaide instead
Adelaide12:36 pmMon, Jun 8
AdelaideACST
Australia · UTC+9:30
12:36 pmMon, Jun 8
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
SydneyAEST
Australia · UTC+10
1:06 pmMon, Jun 8
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Offset

The time difference between Adelaide and Sydney is 0.5 hours.

0.5 hours

Adelaide (ACST) is behind Sydney (AEST).

ACST: UTC+9:30

AEST: UTC+10

Neither Adelaide nor Sydney is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–5 PM in Adelaide (9 AM–5 PM in Sydney).

Both teams are in working hours during this window on weekdays.

Suggested time: 1:00 PM Adelaide (1:30 PM Sydney).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Australia

  • New Year's DayThu, Jan 1
  • Australia DayMon, Jan 26
  • Good FridayFri, Apr 3
  • Easter MondayMon, Apr 6
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Adelaide uses Australian Central Time (ACST, or ACDT). To call Australia, dial +61.

Sydney uses Australian Eastern Time (AEST, or AEDT). To call Australia, dial +61.

Sydney is approximately 725 miles east of Adelaide.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

AdelaideSydneyDay
12:00 am12:30 amSame day
1:00 am1:30 amSame day
2:00 am2:30 amSame day
3:00 am3:30 amSame day
4:00 am4:30 amSame day
5:00 am5:30 amSame day
6:00 am6:30 amSame day
7:00 am7:30 amSame day
8:00 am8:30 amSame day
9:00 am9:30 amSame day
10:00 am10:30 amSame day
11:00 am11:30 amSame day
12:00 pm12:30 pmSame day
1:00 pm1:30 pmSame day
2:00 pm2:30 pmSame day
3:00 pm3:30 pmSame day
4:00 pm4:30 pmSame day
5:00 pm5:30 pmSame day
6:00 pm6:30 pmSame day
7:00 pm7:30 pmSame day
8:00 pm8:30 pmSame day
9:00 pm9:30 pmSame day
10:00 pm10:30 pmSame day
11:00 pm11:30 pmSame day

Daylight saving time

Both Adelaide and Sydney observe daylight saving time and transition on the same date.

Next transition: Sunday, October 4, 2026 (spring forward).

Because they transition simultaneously, the offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Adelaide
Sunrise
7:19 AM
Sunset
5:12 PM
Day length
9h 53m
Sydney
Sunrise
6:56 AM
Sunset
4:54 PM
Day length
9h 58m

Daylight overlap: 9h 5m — 7:19 AM–4:24 PM in Adelaide (7:49 AM–4:54 PM in Sydney). Both locations are in daylight during this window.

Cities in these zones

Other cities in Australian Eastern Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Australian Central Time

  • ADL

Airports in Australian Eastern Time

  • SYD
  • CBR

Related conversions

Common conversions

What is 9:00 am Adelaide in Sydney?
9:00 am Adelaide is 9:30 am Sydney.
What is 12:00 pm Adelaide in Sydney?
12:00 pm Adelaide is 12:30 pm Sydney.
What is 12:30 pm Adelaide in Sydney?
12:30 pm Adelaide is 1:00 pm Sydney.
What is 2:00 pm Adelaide in Sydney?
2:00 pm Adelaide is 2:30 pm Sydney.
What is 5:00 pm Adelaide in Sydney?
5:00 pm Adelaide is 5:30 pm Sydney.
What is 11:30 pm Adelaide in Sydney?
11:30 pm Adelaide is 12:00 am Sydney, the next day.