Austin, TX to Nuku'alofa: time difference
Nuku'alofa is 18 h ahead of Austin, TX. 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.
Austin, TX 05:38 5:38 AM Nuku'alofa 23:38 11:38 PM You –:–
05:38 5:38 AM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:07
23:38 11:38 PM
Tonga Standard Time · UTC+13
☀️ 06:15 · 🌙 18:42
·
+18 h
Nuku'alofa is 18 h ahead of Austin, TX.
When you, Austin, TX and Nuku'alofa are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Austin, TX
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
🇹🇴 Nuku'alofa
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 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
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇹🇴 Nuku'alofa |
|---|---|---|
| Local time | 05:38 | 23:38 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Tonga Standard Time |
| UTC offset | UTC-5 | UTC+13 |
| Offset from Austin, TX | — | +18 h |
| IANA zone | America/Chicago | Pacific/Tongatapu |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:30 | 06:15 |
| Sunset | 19:07 | 18:42 |
| Daylight | 11 h 36 min | 12 h 27 min |
| People on this clock | 974,447 | 24,500 |
Compare Austin, TX with another city
More comparisons with Austin, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Austin, TX and Nuku'alofa: common questions
How far ahead of Austin, TX, is Nuku'alofa?
Nuku'alofa is 18 hours ahead of Austin: UTC+13 against UTC−5.
What time is it in Nuku'alofa at the start of the working day in Austin, TX?
The working day in Austin starts at 9:00 AM; in Nuku'alofa it is 3:00 AM (the next day) at that moment.
What time is it in Nuku'alofa at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Nuku'alofa it is 12:00 PM (the next day) at that moment.
When is a good time to call Nuku'alofa from Austin, TX?
Between 3:00 PM and 6:00 PM in Austin – that is 9:00 AM (the next day) to 12:00 PM (the next day) in Nuku'alofa – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Nuku'alofa compared with Austin, TX?
The new day starts in Nuku'alofa earlier: at 6:00 AM in Austin it is already midnight there. Until 6:00 PM in Nuku'alofa, Austin is still on the previous day.
Does the time gap between Austin, TX, and Nuku'alofa change during the year?
Yes – daylight saving time is used in Austin but not in Nuku'alofa. From November 1, 2026, Nuku'alofa will be 19 hours ahead of Austin.
