Time difference between Sydney and Hong Kong

Updated live in your browser · IANA time zone database (Australia/Sydney, Asia/Hong_Kong)

Sydney GMT+10 · UTC+10

Hong Kong GMT+8 · UTC+8

Difference 2 hours — Hong Kong is behind Sydney

Best time to call

Hours shown in Sydney time. The working-day overlap runs 11:00 AM – 5:00 PM in Sydney, which is 9:00 AM – 3:00 PM in Hong Kong — schedule calls in that window.

Hour-by-hour conversion

Daylight saving time note

Sydney and Hong Kong do not change their clocks on the same date. Between October 3, 2026 and April 3, 2027 the difference is 3 hours ahead of Hong Kong — because Sydney changes its clocks for daylight saving time while Hong Kong keeps the same time all year.

For the rest of the year the difference holds steady at 2 hours. Every time on this page is computed from the IANA database at the moment you load it, so the tables above already account for whichever side has switched.

Why the time difference exists

Related comparisons

• New York City ↔ Sydney
• New York City ↔ Hong Kong
• London ↔ Sydney
• London ↔ Hong Kong
• Singapore ↔ Hong Kong
• Singapore ↔ Sydney
• Tokyo ↔ Sydney
• Tokyo ↔ Hong Kong
• Dubai ↔ Sydney
• Los Angeles ↔ Sydney
• Los Angeles ↔ Hong Kong
• San Francisco ↔ Sydney