Nuku'alofa to Agana Heights: time difference
Agana Heights is 3 h behind Nuku'alofa. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Nuku'alofa 14:12 2:12 PM Agana Heights 11:12 11:12 AM You –:–
14:12 2:12 PM
Tonga Standard Time · UTC+13
☀️ 06:15 · 🌙 18:42
11:12 11:12 AM
Chamorro Standard Time · UTC+10
☀️ 06:12 · 🌙 18:06
·
−3 h
Agana Heights is 3 h behind Nuku'alofa.
When you, Nuku'alofa and Agana Heights are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇴 Nuku'alofa
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
🇬🇺 Agana Heights
21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
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Time zones side by side
| Detail | 🇹🇴 Nuku'alofa | 🇬🇺 Agana Heights |
|---|---|---|
| Local time | 14:12 | 11:12 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Tonga Standard Time | Chamorro Standard Time |
| UTC offset | UTC+13 | UTC+10 |
| Offset from Nuku'alofa | — | −3 h |
| IANA zone | Pacific/Tongatapu | Pacific/Guam |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:15 | 06:12 |
| Sunset | 18:42 | 18:06 |
| Daylight | 12 h 27 min | 11 h 55 min |
| People on this clock | 24,500 | 3,940 |
Compare Nuku'alofa with another city
More comparisons with Nuku'alofa: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Nuku'alofa and Agana Heights: common questions
How far behind Nuku'alofa is Agana Heights?
Agana Heights is 3 hours behind Nuku'alofa: UTC+10 against UTC+13.
What time is it in Agana Heights when it is 9:00 AM in Nuku'alofa?
When it is 9:00 AM in Nuku'alofa, it is 6:00 AM in Agana Heights.
What time is it in Agana Heights at the end of the working day in Nuku'alofa?
The working day in Nuku'alofa ends at 6:00 PM; in Agana Heights it is 3:00 PM at that moment.
When is a good time to call Agana Heights from Nuku'alofa?
Between 12:00 PM and 6:00 PM in Nuku'alofa – that is 9:00 AM to 3:00 PM in Agana Heights – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Agana Heights?
Until 3:00 AM in Nuku'alofa it is still the previous day in Agana Heights. The other way round, from 9:00 PM in Agana Heights it is already the next day in Nuku'alofa.
Is the time difference between Nuku'alofa and Agana Heights the same all year?
Yes. Neither Nuku'alofa nor Agana Heights switches to summer time, so the gap is always 3 hours.
