Working-hour overlap
When both cities are at work
12:00–17:00 in Sydney overlaps with 9:00–14:00 in Singapore.
Time converter
Sydney to Singapore
Australia
Sydney
18:5140
Sunday, 18 October 2026GMT+11 · UTC+11
Singapore
Singapore
15:5140
Sunday, 18 October 2026GMT+8 · UTC+8
Outside usual working hours
6:00GMT+8
Sunday, 18 October 2026 in Singapore
3 hours behind Sydney
Working together
The useful part of the difference
A major Asia–Australia finance, travel and operations corridor.
Calendar boundary
Check the date, not just the hour
At 09:00 in Sydney, Singapore is on the same calendar date.
Daylight saving time
The gap can move during the year
Seasonal clock changes alter the gap: it is 3 hours behind on the January reference date and 2 hours behind on the July reference date. Transition weeks can differ again, so check the exact date.