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US Pacific Time to Australian Central Time

Convert times between US Pacific Time (PST, UTC-8:00) and Australian Central Time (ACST, UTC+9:30). Australian Central Time is 17.5 hours ahead of US Pacific Time in standard time.

UTC-8:00 / -7:00UTC+9:30 / +10:30
Live timezone converter

UTC Offset Reference

TimezoneAbbreviationStandard offsetDST offsetCountry
US Pacific TimePST / PDTUTC-8:00UTC-7:00United States
Australian Central TimeACST / ACDTUTC+9:30UTC+10:30Australia

* DST offset applies during summer months. Exact transition dates vary by year.

Standard Time Conversion (PSTACST)

US Pacific TimeAustralian Central Time
12:00 AM PST5.5:00 PM ACST
6:00 AM PST11.5:00 PM ACST
9:00 AM PST2.5:00 AM (next day) ACST
12:00 PM PST5.5:00 AM (next day) ACST
3:00 PM PST8.5:00 AM (next day) ACST
6:00 PM PST11.5:00 AM (next day) ACST
9:00 PM PST2.5:00 PM (next day) ACST

Daylight Saving Time (DST) Notes

  • US Pacific Time observes DST. Clocks advance 1 hour to PDT (UTC-7:00) roughly from month 3 to 11.
  • Australian Central Time observes DST. Clocks advance 1 hour to ACDT (UTC+10:30) roughly from month 10 to 4.

Frequently Asked Questions

How do I convert PST to ACST?
Add 17.5 hours to the PST time to get ACST. For example, 9:00 AM PST = 2.5:00 AM ACST.
What is the current UTC offset for US Pacific Time?
US Pacific Time is UTC-8:00 during standard time (PST) and UTC-7:00 during summer daylight saving time (PDT).
Is Australian Central Time ahead or behind US Pacific Time?
Australian Central Time is 17.5 hours ahead of US Pacific Time in standard time.
When is a good time to schedule a meeting between PST and ACST?
Due to the 17.5-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.

Need the exact current time?

Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.

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