Tonga to Lisbon: time difference
Lisbon is 12 h behind Tonga. Live clocks for both, the working hours they share, and how each one sits against your own time.
−12 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tonga 14:27 2:27 PM Lisbon 02:27 2:27 AM You –:–
14:27 2:27 PM
Tonga Standard Time · UTC+13
☀️ 06:15 · 🌙 18:42
02:27 2:27 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
−12 h
Lisbon is 12 h behind Tonga.
When you, Tonga and Lisbon 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
🇵🇹 Lisbon
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 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇴 Tonga | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 14:27 | 02:27 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Tonga Standard Time | Western European Summer Time |
| UTC offset | UTC+13 | UTC+1 |
| Offset from Tonga | — | −12 h |
| IANA zone | Pacific/Tongatapu | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:15 | 07:41 |
| Sunset | 18:42 | 19:07 |
| Daylight | 12 h 27 min | 11 h 26 min |
| People on this clock | 108,020 | 545,923 |
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 Lisbon: common questions
How many hours behind Tonga is Lisbon?
The clocks in Lisbon are 12 hours behind those in Tonga (UTC+1 and UTC+13).
What time is it in Lisbon when it is 9:00 AM in Tonga?
When it is 9:00 AM in Tonga, it is 9:00 PM (the previous day) in Lisbon.
What time is it in Lisbon at the end of the working day in Tonga?
The working day in Tonga ends at 6:00 PM; in Lisbon it is 6:00 AM at that moment.
When do working hours in Tonga and in Lisbon overlap?
They don't: there are no shared working hours. The start of the day in Tonga (9:00 AM) is 9:00 PM (the previous day) in Lisbon, and the start of the day in Lisbon is 9:00 PM in Tonga.
When is it still the previous day in Lisbon?
Until 12:00 PM in Tonga it is still the previous day in Lisbon. The other way round, from 12:00 PM in Lisbon it is already the next day in Tonga.
Does the time difference between Tonga and Lisbon change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Lisbon will be 13 hours behind Tonga.
