Guam to Sydney: time difference
Sydney is 1 h ahead of Guam. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇺 Sydney, Australia
19
- Australian Eastern Daylight Time
- UTC+11
- Daytime
☀️ 06:22 · 🌙 19:04 · 12 h 43 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Guam 11:38 11:38 AM Sydney 12:38 12:38 PM You –:–
11:38 11:38 AM
Chamorro Standard Time · UTC+10
☀️ 06:12 · 🌙 18:06
12:38 12:38 PM
Australian Eastern Daylight Time · UTC+11
☀️ 06:22 · 🌙 19:04
·
+1 h
Sydney is 1 h ahead of Guam.
When you, Guam and Sydney are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇺 Guam
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇦🇺 Sydney
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇺 Guam | 🇦🇺 Sydney |
|---|---|---|
| Local time | 11:38 | 12:38 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Chamorro Standard Time | Australian Eastern Daylight Time |
| UTC offset | UTC+10 | UTC+11 |
| Offset from Guam | — | +1 h |
| IANA zone | Pacific/Guam | Australia/Sydney |
| Daylight saving | Not observed | On summer time → UTC+10, Apr 4, 02:00 |
| Sunrise | 06:12 | 06:22 |
| Sunset | 18:06 | 19:04 |
| Daylight | 11 h 55 min | 12 h 43 min |
| People on this clock | 153,836 | 4,840,600 |
Compare Guam with another city
More comparisons with Guam: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guam and Sydney: common questions
How far ahead of Guam is Sydney?
Sydney is 1 hour ahead of Guam: UTC+11 against UTC+10.
What time is it in Sydney when it is 9:00 AM in Guam?
When it is 9:00 AM in Guam, it is 10:00 AM in Sydney.
What time is it in Sydney at the end of the working day in Guam?
The working day in Guam ends at 6:00 PM; in Sydney it is 7:00 PM at that moment.
Is there a time when both Guam and Sydney are at work?
Yes: from 9:00 AM to 5:00 PM in Guam (10:00 AM to 6:00 PM in Sydney), the working days (9:00 AM–6:00 PM) overlap.
From what time in Guam is it tomorrow in Sydney?
Once it is 11:00 PM in Guam, the date in Sydney has already changed. Until 1:00 AM in Sydney, it is still the previous day in Guam.
Is the time difference between Guam and Sydney the same all year?
No. Only Sydney switches to summer time, so the gap changes twice a year. From April 4, 2027, Sydney and Guam will have the same time.
