TimeandTool

GMT to AEST Converter

Greenwich Mean Time (UTC+1:00) → Australian Eastern Standard Time (UTC+10:00)

GMT (Greenwich Mean Time)

04:04:55 PM

Sat, May 2, 2026

UTC+1

9 hours ahead

AEST (Australian Eastern Standard Time)

01:04:55 AM

Sun, May 3, 2026

UTC+10

Time Difference

GMT offset
UTC+1:00
AEST offset
UTC+10:00
Difference
9 hours ahead
Best overlap
No business hours overlap

Time Comparison

GMT (Greenwich Mean Time)Greenwich Mean Time4:04 PM
AEST (Australian Eastern Standard Time)Australian Eastern Standard Time1:04 AM
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
NOW4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
MAY 29am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
MAY 312am+1d
1am+1d
2am+1d
3am+1d
4am+1d
5am+1d
6am+1d
7am+1d
8am+1d
BusinessMorning/EveningDawn/DuskNight

24-Hour Conversion Table

Based on standard time (Jan 15 reference). Actual times may differ during DST transitions.

GMTAEST
1:00 AM10:00 AM
2:00 AM11:00 AM
3:00 AM12:00 PM
4:00 AM1:00 PM
5:00 AM2:00 PM
6:00 AM3:00 PM
7:00 AM4:00 PM
8:00 AM5:00 PM
9:00 AM6:00 PM
10:00 AM7:00 PM
11:00 AM8:00 PM
12:00 PM9:00 PM
1:00 PM10:00 PM
2:00 PM11:00 PM
3:00 PM12:00 AM+1 day
4:00 PM1:00 AM+1 day
5:00 PM2:00 AM+1 day
6:00 PM3:00 AM+1 day
7:00 PM4:00 AM+1 day
8:00 PM5:00 AM+1 day
9:00 PM6:00 AM+1 day
10:00 PM7:00 AM+1 day
11:00 PM8:00 AM+1 day
12:00 AM9:00 AM

Highlighted rows indicate business hours (9 AM–5 PM) in GMT.

What is GMT?

Full name
Greenwich Mean Time
UTC offset
UTC+1:00
IANA timezone
Europe/London
Observes DST
Yes

What is AEST?

Full name
Australian Eastern Standard Time
UTC offset
UTC+10:00
IANA timezone
Australia/Sydney
Observes DST
Yes

Countries observing GMT

  • •United Kingdom (winter)
  • •Iceland
  • •Ghana
  • •Senegal
  • •Gambia
  • •Sierra Leone

Countries observing AEST

  • •Australia (Queensland, NSW, Victoria, Tasmania, ACT)

Frequently Asked Questions

GMT stands for Greenwich Mean Time. It is at UTC+1:00 and is observed in United Kingdom (winter), Iceland, Ghana.
AEST stands for Australian Eastern Standard Time. It is at UTC+10:00 and is observed in Australia (Queensland, NSW, Victoria, Tasmania, ACT).
AEST is 9 hours ahead GMT. GMT is at UTC+1:00 and AEST is at UTC+10:00.
AEST is 9 hours ahead GMT.
Yes, GMT (Greenwich Mean Time) observes Daylight Saving Time. The UTC offset changes seasonally.
Yes, AEST (Australian Eastern Standard Time) observes Daylight Saving Time. The UTC offset changes seasonally.
GMT (Greenwich Mean Time) is used in: United Kingdom (winter), Iceland, Ghana, Senegal, Gambia, Sierra Leone.
There is no overlap of standard business hours (9 AM–5 PM) between GMT and AEST. Consider early morning or evening meetings.

Related Converters

GMT to UTCGMT to ISTGMT to ESTGMT to PSTUTC to AESTIST to AESTEST to AESTPST to AEST

From the Blog

Portugal Daylight Saving Time 2026: Dates, Rules, and Every EU Country

Portugal clocks change on March 29 and October 25, 2026. Complete guide: exact dates, times, and daylight saving rules for every EU country in 2026.

8 min read

12 Strangest Time Zone Quirks Around the World (2026)

From China's single time zone spanning 5 geographic zones to Nepal's unique 15-minute offset — the most surprising timezone anomalies and the political stories behind them.

11 min read

FIFA World Cup 2026 Time Zones: 16 Host Cities and When to Watch Every Match

Complete timezone guide for the 2026 FIFA World Cup. Find kick-off times in your local time zone for all 104 matches across 16 host cities in the US, Mexico, and Canada.

14 min read
HomeClockSunCalc