Sydney to Guam time converter

Guam is 1 hour behind Sydney. When it is 9:00 AM in Sydney, it is 8:00 AM in Guam.

Sydney AEDT

Sunday, October 18, 2026

Guam ChST

Sunday, October 18, 2026

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

Sydney to Guam conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Apr 4, 2027: -1h
  • Apr 4, 2027 – Oct 3, 2027: ±0
  • Oct 3, 2027 – Oct 18, 2027: -1h

More conversions

Guam to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to GuamLondon to GuamLos Angeles to GuamChicago to GuamToronto to GuamSão Paulo to GuamParis to GuamBerlin to GuamMoscow to GuamDubai to GuamNew Delhi to GuamBangkok to Guam

Questions and answers

What is the time difference between Sydney and Guam?

Guam is 1 hour behind Sydney.

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

When it is 9:00 AM in Sydney, it is 8:00 AM in Guam.

When is the best time to call Guam from Sydney?

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

Does the time difference between Sydney and Guam change?

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