Costa Mesa to Sydney time
Costa Mesa: 04:52. Sydney: 23:52.
19 hours difference.
Pacific Standard Time (PST, UTC-8)
Current local time: 04:52
Next DST change: 2027-03-14 - UTC-7.
Australian Eastern Daylight Time (AEDT, UTC+11)
Current local time: 23:52
Next DST change: 2027-04-04 - UTC+10.
Common questions
Quick answers- 01What is the time difference between Costa Mesa and Sydney?
- Sydney is 19 hours ahead of Costa Mesa. The difference can change during the year if their clocks change on different dates.
- 02When is a good time to meet between Costa Mesa and Sydney?
- Start with 09:00-17:00 working hours in both places and use the overlap shown on this page.
- 03Do Costa Mesa and Sydney change their clocks on the same day?
- Check the daylight saving information on each city page, because clock changes can happen on different dates.