Nuku'alofa to Austin, TX: time difference
Austin, TX is 18 h behind Nuku'alofa. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Nuku'alofa 15:02 3:02 PM Austin, TX 21:02 9:02 PM You –:–
15:02 3:02 PM
Tonga Standard Time · UTC+13
☀️ 06:15 · 🌙 18:42
21:02 9:02 PM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
·
−18 h
Austin, TX is 18 h behind Nuku'alofa.
When you, Nuku'alofa and Austin, TX 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
🇺🇸 Austin, TX
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 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇹🇴 Nuku'alofa | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 15:02 | 21:02 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Tonga Standard Time | Central Daylight Time |
| UTC offset | UTC+13 | UTC-5 |
| Offset from Nuku'alofa | — | −18 h |
| IANA zone | Pacific/Tongatapu | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:15 | 07:30 |
| Sunset | 18:42 | 19:08 |
| Daylight | 12 h 27 min | 11 h 38 min |
| People on this clock | 24,500 | 974,447 |
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 Austin, TX: common questions
How far behind Nuku'alofa is Austin, TX?
Austin is 18 hours behind Nuku'alofa: UTC−5 against UTC+13.
What time is it in Austin, TX, at the start of the working day in Nuku'alofa?
The working day in Nuku'alofa starts at 9:00 AM; in Austin it is 3:00 PM (the previous day) at that moment.
If it is 6:00 PM in Nuku'alofa, what time is it in Austin, TX?
At 6:00 PM in Nuku'alofa, clocks in Austin show 12:00 AM.
When is a good time to call Austin, TX, from Nuku'alofa?
Between 9:00 AM and 12:00 PM in Nuku'alofa – that is 3:00 PM (the previous day) to 6:00 PM (the previous day) in Austin – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Nuku'alofa is it still yesterday in Austin, TX?
Before 6:00 PM in Nuku'alofa, the date in Austin has not changed yet. From 6:00 AM in Austin, it is already the next day in Nuku'alofa.
Does the time gap between Nuku'alofa and Austin, TX, change during the year?
Yes – daylight saving time is used in Austin but not in Nuku'alofa. From November 1, 2026, Austin will be 19 hours behind Nuku'alofa.
