What is the Time Difference Between Los Angeles and Sydney?
Los Angeles and Sydney are about as far apart as you can get — the difference is 17 to 19 hours, often landing on opposite calendar days. This is the classic "follow the sun" extreme.
Time Zone Overview
Los Angeles (PST/PDT)
LA is UTC-8 (winter), UTC-7 (summer, second Sunday March to first Sunday November).
Sydney (AEST/AEDT)
Sydney is UTC+10 (winter), UTC+11 (summer, first Sunday October to first Sunday April).
Time Difference
US winter / Sydney summer: Sydney is 19 hours ahead of LA
US summer / Sydney winter: Sydney is 17 hours ahead of LA
Overlap period: 18 hours
Conversion Examples
LA winter: 9:00 AM PST → 4:00 AM AEDT (next day)
LA summer: 9:00 AM PDT → 2:00 AM AEST (next day)
Quick Reference Table (PST → Sydney AEDT)
| Los Angeles | Sydney |
|---|---|
| 8:00 AM | 3:00 AM (next day) |
| 12:00 PM | 7:00 AM (next day) |
| 5:00 PM | 12:00 PM (next day) |
| 9:00 PM | 4:00 PM (next day) |
Common Use Cases
- US–Australia tech and entertainment work
- Family across the Pacific
- Travel between LA and Sydney
Frequently Asked Questions
What is the LA–Sydney difference?
17 to 19 hours.
Why so large?
They sit near opposite sides of the globe with opposing DST.
If it's 9 AM in LA, what time is it in Sydney?
4 AM AEDT next day (LA winter) or 2 AM AEST (LA summer).
Best overlap?
3-5 PM LA = 8-10 AM Sydney next day (winter).
Is Sydney ahead of LA?
Yes, by roughly three-quarters of a day.
Use our world clock and meeting planner for date-aware planning.