Tonga to Austin, TX: time difference
Austin, TX is 18 h behind Tonga. 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.
Tonga 14:38 2:38 PM Austin, TX 20:38 8:38 PM You –:–
14:38 2:38 PM
Tonga Standard Time · UTC+13
☀️ 06:15 · 🌙 18:42
20:38 8:38 PM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
·
−18 h
Austin, TX is 18 h behind Tonga.
When you, Tonga 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
🇹🇴 Tonga
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
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇴 Tonga | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 14:38 | 20:38 |
| 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 Tonga | — | −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 | 108,020 | 974,447 |
Compare Tonga with another city
More comparisons with Tonga: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tonga and Austin, TX: common questions
What is the time difference between Tonga and Austin, TX?
Austin is 18 hours behind: it uses UTC−5, while Tonga is on UTC+13.
What time is it in Austin, TX, when it is 9:00 AM in Tonga?
When it is 9:00 AM in Tonga, it is 3:00 PM (the previous day) in Austin.
If it is 6:00 PM in Tonga, what time is it in Austin, TX?
At 6:00 PM in Tonga, clocks in Austin show 12:00 AM.
Is there a time when both Tonga and Austin, TX, are at work?
Yes: from 9:00 AM to 12:00 PM in Tonga (3:00 PM (the previous day) to 6:00 PM (the previous day) in Austin), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Tonga is it still yesterday in Austin, TX?
Before 6:00 PM in Tonga, the date in Austin has not changed yet. From 6:00 AM in Austin, it is already the next day in Tonga.
Is the time difference between Tonga and Austin, TX, the same all year?
No. Only Austin switches to summer time, so the gap changes twice a year. From November 1, 2026, Austin will be 19 hours behind Tonga.
