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What is ACST in TRT?

Turkey Time is 6 hours 30 minutes behind

Australian Central Time is on UTC+9:30 and Turkey Time is on UTC+3:00 right now. The gap changes during the year — see below.

Time in Adelaide
10:22:41 PM
Time in Istanbul
3:52:41 PM
Difference
−6:30 h
Next clock change
October 4, 2026

Convert a time

TRT — Turkey Time

3:30 pm

TRT, Fri

When the difference changes

Australian Central Time and Turkey Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:

  1. Now – October 4, 2026Turkey Time is 6 hours 30 minutes behind
  2. October 4, 2026 – April 4, 2027Turkey Time is 7 hours 30 minutes behind
  3. April 4, 2027 – October 3, 2027Turkey Time is 6 hours 30 minutes behind
  4. October 3, 2027 – onwardsTurkey Time is 7 hours 30 minutes behind

Periods shorter than a day are not listed. Each zone changes at its own local time, so on a date when both move there are a few hours when the gap is briefly something else.

Daylight saving

Australian Central Time

Sunday, October 4, 2026

Clocks go forward one hour — 2:00 am becomes 3:00 am local time, and the zone is on ACDT after that.

Turkey Time

No clock changes

Turkey Time stays on TRT all year, so its offset from UTC never moves.

ACST to TRT conversion table

Every hour of Friday, September 25, 2026, converted from Australian Central Time to Turkey Time. 7 of the 24 hours fall on a different calendar day in Istanbul, which is marked.

12:00 am ACST
5:30 pm TRT−1 day
1:00 am ACST
6:30 pm TRT−1 day
2:00 am ACST
7:30 pm TRT−1 day
3:00 am ACST
8:30 pm TRT−1 day
4:00 am ACST
9:30 pm TRT−1 day
5:00 am ACST
10:30 pm TRT−1 day
6:00 am ACST
11:30 pm TRT−1 day
7:00 am ACST
12:30 am TRT
8:00 am ACST
1:30 am TRT
9:00 am ACST
2:30 am TRT
10:00 am ACST
3:30 am TRT
11:00 am ACST
4:30 am TRT
12:00 pm ACST
5:30 am TRT
1:00 pm ACST
6:30 am TRT
2:00 pm ACST
7:30 am TRT
3:00 pm ACST
8:30 am TRT
4:00 pm ACST
9:30 am TRT
5:00 pm ACST
10:30 am TRT
6:00 pm ACST
11:30 am TRT
7:00 pm ACST
12:30 pm TRT
8:00 pm ACST
1:30 pm TRT
9:00 pm ACST
2:30 pm TRT
10:00 pm ACST
3:30 pm TRT
11:00 pm ACST
4:30 pm TRT

Scheduling between the two

Working hours overlap from 4:00 pm to 6:00 pm ACST, which is 9:30 am to 11:30 am TRT. Anything inside that window falls in the normal working day at both ends.

Australian Central Time (ACST) is used in South Australia and the Northern Territory, on a half-hour offset from the east coast

Turkey Time (TRT) is used in all of Türkiye, on a permanent UTC+3 since 2016

Other conversions