Time difference between Singapore and Sydney

The gap is not the same all year

Every converter gives one number for this pair. That number is right for most of the year and wrong for part of it, because Singapore does not change its clocks and Sydney goes forward on the first Sunday in October and back on the first Sunday in April.

Singapore stays put all year while Sydney moves, so the gap changes twice a year from Sydney's side alone. A recurring meeting set in Singapore's calendar will drift by an hour without anyone touching it.

About Singapore and Sydney

Singapore is UTC+8 despite sitting almost on the equator at a longitude that suggests UTC+7. It moved forward in 1982 to align with Malaysia and never moved back, so solar noon falls at about 1 PM.

Sydney is UTC+10 in winter and UTC+11 from October to April. Its summer is the northern hemisphere's winter, so the gap to Europe and North America swings by two hours over the year rather than staying put.

What 2 hours actually costs you

This is an easy pair. 6 hours of the working day are shared, which is enough for a standing meeting at a time neither side has to think about. 9:00 AM–3:00 PM in Singapore lands inside office hours at both ends.

When they can both be at their desks

Nine-to-five in both cities overlaps for 6 hours — 9:00 AM to 3:00 PM in Singapore, the same moment as 11:00 AM to 5:00 PM in Sydney.

Singapore

Sydney

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How far apart Singapore and Sydney are

The shortest path over the Earth's surface between the two is 6,306 km (3,919 miles). Flown along that line, an airliner at cruising speed takes roughly 8 hours 5 minutes in the air — actual routings add to it, and whether a nonstop service exists depends on the airlines rather than the distance.

A gap of 2 hours is small enough that most people adjust within a day or two, and short enough that it rarely disrupts a trip.

Singapore to Sydney, hour by hour

On the usual gap of 2 hours.

Frequently asked questions