Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

SGT to AEST

+2h

SGT

SGTSOURCE

UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

AEST

UTC+10:00DST observed

HH02

MM00

14:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

SGT

AEST

12:00 AM

2:00 AM

4:00 AM

6:00 AM

8:00 AM

10:00 AM

12:00 PM

2:00 PM

4:00 PM

6:00 PM

8:00 PM

10:00 PM

12:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

SGT and AEST on the World Map

The map below highlights the SGT (Singapore Standard Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.

SGT Zone

→

AEST Zone

Explore all world timezones interactively →

SGT – Singapore Standard Time

UTC+08:00

Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.

Countries in SGT

Singapore

Major Cities in SGT

Singapore

Key Facts about SGT

•Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
•Singapore does not observe daylight saving time.
•The Singapore Exchange (SGX) operates on SGT.

Daylight Saving:No – UTC+08:00 year-round

Learn more about SGT on Wikipedia

AEST – Australian Eastern Standard Time

UTC+10:00

Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.

Countries in AEST

Australia (NSW, VIC, QLD, TAS, ACT)Papua New Guinea

Major Cities in AEST

SydneyMelbourneBrisbaneCanberraHobartGold Coast

Key Facts about AEST

•Queensland does not observe daylight saving time, staying on AEST year-round.
•Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
•The Australian Securities Exchange (ASX) operates on AEST/AEDT.
•AEST is 15 hours ahead of EST during winter.

Daylight Saving:Yes – switches to AEDT

Learn more about AEST on Wikipedia

Everything You Need to Know About SGT and AEST Time

SGT runs on Singapore Standard Time (SGT) at UTC+08:00. AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts SGT 2 hours ahead of AEST — a difference of +2h at the current offsets.

In practice, when it is 9:00 AM in SGT it is 11:00 AM in AEST. Midnight in SGT is 2:00 AM in AEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

SGT to AEST time conversion table

SGT (SGT)	AEST (AEST)	Day
12:00 AM	2:00 AM	same day
6:00 AM	8:00 AM	same day
7:00 AM	9:00 AM	same day
8:00 AM	10:00 AM	same day
9:00 AM	11:00 AM	same day
12:00 PM	2:00 PM	same day
3:00 PM	5:00 PM	same day
5:00 PM	7:00 PM	same day
6:00 PM	8:00 PM	same day
9:00 PM	11:00 PM	same day

Why people convert SGT to AEST time

Scheduling a call from SGT to AEST: a 10:00 AM start in SGT lands at 12:00 PM in AEST, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both SGT and AEST are inside the 9-to-5 working day between 9:00 AM and 3:00 PM SGT time (11:00 AM–5:00 PM AEST). That is roughly 6 hours of usable overlap.
Booking travel or deliveries: tracking AEST local time against SGT keeps pickup windows and arrival estimates honest across the +2h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a +2h gap is not.
Block 9:00 AM–3:00 PM SGT as the recurring meeting window if you work primarily from SGT and need AEST colleagues present.

About SGT (Singapore Standard Time)

Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.

About AEST (Australian Eastern Standard Time)

Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.

Best time to call between SGT and AEST

Both SGT and AEST sit inside the 9 AM – 5 PM working day between 9:00 AM–3:00 PM SGT, which is 11:00 AM–5:00 PM AEST. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

SGT and AEST share 6 hours of working-hours overlap (9:00 AM–3:00 PM SGT), so scheduling a live meeting is straightforward.

SGT is 2 hours ahead of AEST (SGT UTC+08:00 → AEST UTC+10:00). The shared working window is 9:00 AM–3:00 PM SGT. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

SGT

Does not observe DST

AEST

❄ Currently in Standard Time

Standard: UTC+10:00 · DST: UTC+11:00

Clocks spring forward on Sat, Oct 3, 2026

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between SGT and AEST?

SGT (SGT, UTC+08:00) is 2 hours ahead of AEST (AEST, UTC+10:00). The gap is currently +2h.

How do I convert SGT time to AEST time?

Add +2h to SGT local time. For example, 9:00 AM in SGT is 11:00 AM in AEST.

What time is it in AEST right now?

AEST uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +2h offset from SGT.