Colombo, Sri Lanka Sydney, Australia

Colombo is in the +0530 timezone (UTC+5:30) and Sydney is in the AEST timezone (UTC+10). The time difference between them is 4h 30m.

Use the timeline above to find overlapping business hours between Colombo and Sydney. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).

Sydney observes Daylight Saving Time, while Colombo does not. When DST is active in Sydney, the time difference changes by 1 hour.

Click the pencil icon next to the Colombo clock and type any time. The Sydney clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.