PST/PDT to ACST/ACDT time converter

ACST/ACDT is 16 hours 30 minutes ahead of PST/PDT. When it is 9:00 AM in PST/PDT, it is 1:30 AM (Sat, Oct 17) in ACST/ACDT.

PST/PDT PDT

Friday, October 16, 2026

ACST/ACDT ACST

Saturday, October 17, 2026

PST/PDT
Pacific Standard Time
Fri, Oct 16
PDTUTC-7
ACST/ACDT
Australian Central Standard Time
Sat, Oct 17
ACSTUTC+9:30+16h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

PST/PDT to ACST/ACDT conversion table

Every hour of today in PST/PDT and the matching time in ACST/ACDT. Light rows are typical working hours (9:00–18:00).

PST/PDTACST/ACDT
12:00 AM4:30 PM
1:00 AM5:30 PM
2:00 AM6:30 PM
3:00 AM7:30 PM
4:00 AM8:30 PM
5:00 AM9:30 PM
6:00 AM10:30 PM
7:00 AM11:30 PM
8:00 AM12:30 AM+1 day
9:00 AM1:30 AM+1 day
10:00 AM2:30 AM+1 day
11:00 AM3:30 AM+1 day
12:00 PM4:30 AM+1 day
1:00 PM5:30 AM+1 day
2:00 PM6:30 AM+1 day
3:00 PM7:30 AM+1 day
4:00 PM8:30 AM+1 day
5:00 PM9:30 AM+1 day
6:00 PM10:30 AM+1 day
7:00 PM11:30 AM+1 day
8:00 PM12:30 PM+1 day
9:00 PM1:30 PM+1 day
10:00 PM2:30 PM+1 day
11:00 PM3:30 PM+1 day

Best time to call or meet

Both sides are at work from 4:30 PM – 6:00 PM in PST/PDT (9:00 AM – 10:30 AM in ACST/ACDT).

Daylight saving time and the difference

The difference changes during the year because PST/PDT and ACST/ACDT switch clocks on different dates:

  • Oct 16, 2026 – Nov 1, 2026: +16h 30m
  • Nov 1, 2026 – Mar 14, 2027: +17h 30m
  • Mar 14, 2027 – Oct 16, 2027: +16h 30m

More conversions

ACST to PSTPST to UTCPST to GMTPST to ESTPST to CSTPST to MSTPST to CETPST to MSKPST to GSTPST to PKTPST to ISTPST to SGTPST to PHT
UTC to ACSTGMT to ACSTEST to ACSTCST to ACSTMST to ACSTCET to ACSTMSK to ACSTGST to ACSTPKT to ACSTIST to ACSTSGT to ACSTPHT to ACST

Questions and answers

What is the time difference between PST/PDT and ACST/ACDT?

ACST/ACDT is 16 hours 30 minutes ahead of PST/PDT.

What time is it in ACST/ACDT when it is 9 AM in PST/PDT?

When it is 9:00 AM in PST/PDT, it is 1:30 AM (Sat, Oct 17) in ACST/ACDT.

When is the best time to call ACST/ACDT from PST/PDT?

Both sides are at work from 4:30 PM – 6:00 PM in PST/PDT (9:00 AM – 10:30 AM in ACST/ACDT).

Does the time difference between PST/PDT and ACST/ACDT change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.