Tsukuba to Lisbon: time difference
Lisbon is 8 h behind Tsukuba. Live clocks for both, the working hours they share, and how each one sits against your own time.
−8 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tsukuba 22:59 10:59 PM Lisbon 14:59 2:59 PM You –:–
22:59 10:59 PM
Japan Standard Time · UTC+9
☀️ 05:49 · 🌙 17:02
14:59 2:59 PM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
·
−8 h
Lisbon is 8 h behind Tsukuba.
When you, Tsukuba 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
🇯🇵 Tsukuba
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
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 12 12 PM 13 1 PM 14 2 PM 15 3 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇯🇵 Tsukuba | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 22:59 | 14:59 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Japan Standard Time | Western European Summer Time |
| UTC offset | UTC+9 | UTC+1 |
| Offset from Tsukuba | — | −8 h |
| IANA zone | Asia/Tokyo | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:49 | 07:49 |
| Sunset | 17:02 | 18:56 |
| Daylight | 11 h 13 min | 11 h 7 min |
| People on this clock | 230,398 | 545,923 |
Compare Tsukuba with another city
More comparisons with Tsukuba: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tsukuba and Lisbon: common questions
What is the time difference between Tsukuba and Lisbon?
Lisbon is 8 hours behind: it uses UTC+1, while Tsukuba is on UTC+9.
What time is it in Lisbon when it is 9:00 AM in Tsukuba?
When it is 9:00 AM in Tsukuba, it is 1:00 AM in Lisbon.
What time is it in Lisbon at the end of the working day in Tsukuba?
The working day in Tsukuba ends at 6:00 PM; in Lisbon it is 10:00 AM at that moment.
When is a good time to call Lisbon from Tsukuba?
Between 5:00 PM and 6:00 PM in Tsukuba – that is 9:00 AM to 10:00 AM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Lisbon compared with Tsukuba?
The new day starts in Lisbon later: until 8:00 AM in Tsukuba, it is still the previous day there. From 4:00 PM in Lisbon, Tsukuba is already on the next day.
Does the time gap between Tsukuba and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in Tsukuba. From October 25, 2026, Lisbon will be 9 hours behind Tsukuba.
