What is NZST in ACST?

Australian Central Time is 2 hours 30 minutes behind

New Zealand Time is on UTC+12:00 and Australian Central Time is on UTC+9:30 right now. The gap changes during the year — see below.

Time in Auckland: 12:04:11 AM
Time in Adelaide: 9:34:11 PM
Difference: −2:30 h
Next clock change: September 27, 2026

Convert a time

NZST — New Zealand Time

ACST — Australian Central Time

9:30 pm

ACST, Fri, the previous day

When the difference changes

New Zealand Time and Australian Central 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:

Now – September 27, 2026Australian Central Time is 2 hours 30 minutes behind
September 27, 2026 – October 4, 2026Australian Central Time is 3 hours 30 minutes behind
October 4, 2026 – September 26, 2027Australian Central Time is 2 hours 30 minutes behind
September 26, 2027 – October 3, 2027Australian Central Time is 3 hours 30 minutes behind
October 3, 2027 – onwardsAustralian Central Time is 2 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

New Zealand Time

Sunday, September 27, 2026

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

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.

NZST to ACST conversion table

Every hour of Saturday, September 26, 2026, converted from New Zealand Time to Australian Central Time. 3 of the 24 hours fall on a different calendar day in Adelaide, which is marked.

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

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

Scheduling between the two

Working hours overlap from 12:00 pm to 6:00 pm NZST, which is 9:30 am to 3:30 pm ACST. 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