Guam to Sydney time converter

Sydney is 1 hour ahead of Guam. When it is 9:00 AM in Guam, it is 10:00 AM in Sydney.

Guam ChST

Saturday, October 17, 2026

Sydney AEDT

Saturday, October 17, 2026

Guam
Sat, Oct 17
ChSTUTC+10
Sydney
New South Wales, Australia
Sat, Oct 17
AEDTUTC+11+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Guam to Sydney conversion table

Every hour of today in Guam and the matching time in Sydney. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 5:00 PM in Guam (10:00 AM – 6:00 PM in Sydney).

Daylight saving time and the difference

The difference changes during the year because Guam and Sydney switch clocks on different dates:

  • Oct 17, 2026 – Apr 4, 2027: +1h
  • Apr 4, 2027 – Oct 3, 2027: ±0
  • Oct 3, 2027 – Oct 17, 2027: +1h

More conversions

Sydney to GuamGuam to New YorkGuam to LondonGuam to Los AngelesGuam to ChicagoGuam to TorontoGuam to São PauloGuam to ParisGuam to BerlinGuam to MoscowGuam to DubaiGuam to New DelhiGuam to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Guam and Sydney?

Sydney is 1 hour ahead of Guam.

What time is it in Sydney when it is 9 AM in Guam?

When it is 9:00 AM in Guam, it is 10:00 AM in Sydney.

When is the best time to call Sydney from Guam?

Both sides are at work from 9:00 AM – 5:00 PM in Guam (10:00 AM – 6:00 PM in Sydney).

Does the time difference between Guam and Sydney change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.