Perth runs on Australian Western Standard Time (UTC+8) and does not observe daylight saving, so its gap to the rest of Australia widens and narrows with the seasons elsewhere. Its offset lines up closely with much of Southeast Asia.
FROM
19:34
Sat, Sep 19
UTC+8
TO
ADJUST
New York
USA · UTC−4
07:34
Sat, Sep 19
early morning
−12hclocks ↓ in 43d
London
UK · UTC+1
12:34
Sat, Sep 19
business hours
−7hclocks ↓ in 36d
Tokyo
Japan · UTC+9
20:34
Sat, Sep 19
evening
+1h🌙
Sydney
Australia · UTC+10
21:34
Sat, Sep 19
evening
+2hclocks ↑ in 15d
OVERLAP TIMELINE09:00–18:00 · Perth time
Perth
New York
London
Tokyo
Sydney
OVERLAP
No working-hours overlap today between Perth and New York