Time Difference Between Irvine and Sydney

Sydney is 17 hours ahead Irvine.

United States

Irvine

America/Los_Angeles · UTC-7

Australia

Sydney

Australia/Sydney · UTC+10

Best Times to Meet

Hours where standard working time (9 AM – 6 PM) overlaps in both Irvine and Sydney.

  • Irvine

    4:00 PM

    Sydney

    9:00 AM

  • Irvine

    5:00 PM

    Sydney

    10:00 AM

Irvine to Sydney — 24-Hour Conversion

Each row shows the equivalent local time in Sydney for an hour in Irvine. Working-hours rows (9–18) are highlighted.

IrvineSydneyMatch
Workday in Sydney
Off hours
Off hours
Off hours
Off hours
Off hours
Off hours
+1 dayOff hours
+1 dayOff hours
+1 dayWorkday in Irvine
+1 dayWorkday in Irvine
+1 dayWorkday in Irvine
+1 dayWorkday in Irvine
+1 dayWorkday in Irvine
+1 dayWorkday in Irvine
+1 dayWorkday in Irvine
+1 dayBest for meetings
+1 dayBest for meetings
+1 dayWorkday in Sydney
+1 dayWorkday in Sydney
+1 dayWorkday in Sydney
+1 dayWorkday in Sydney
+1 dayWorkday in Sydney
+1 dayWorkday in Sydney

Frequently Asked Questions

What is the time difference between Irvine and Sydney?

Sydney, Australia (UTC+10) is 17 hours ahead Irvine, United States (UTC-7).

What is the best time to schedule a meeting between Irvine and Sydney?

The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.

Does daylight saving time change the difference between Irvine and Sydney?

Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.

When it is 9 AM in Irvine, what time is it in Sydney?

Use the conversion table on this page — every hour in Irvine is mapped to its equivalent local time in Sydney, including day shift markers when the date differs.