Portugal to JST time converter
JST is 8 hours ahead of Portugal. When it is 9:00 AM in Portugal, it is 5:00 PM in JST.
5:49 AM in Portugal, Tuesday, October 20, 2026
Shared working hours (9:00–18:00)
Portugal to JST conversion table
Every hour of today in Portugal and the matching time in JST. Light rows are typical working hours (9:00–18:00).
| Portugal | JST |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM+1 day |
| 5:00 PM | 1:00 AM+1 day |
| 6:00 PM | 2:00 AM+1 day |
| 7:00 PM | 3:00 AM+1 day |
| 8:00 PM | 4:00 AM+1 day |
| 9:00 PM | 5:00 AM+1 day |
| 10:00 PM | 6:00 AM+1 day |
| 11:00 PM | 7:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 10:00 AM in Portugal (5:00 PM – 6:00 PM in JST).
Daylight saving time and the difference
The difference changes during the year because Portugal and JST switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: +8h
- Oct 25, 2026 – Mar 28, 2027: +9h
- Mar 28, 2027 – Oct 20, 2027: +8h
More conversions
Questions and answers
What is the time difference between Portugal and JST?
JST is 8 hours ahead of Portugal.
What time is it in JST when it is 9 AM in Portugal?
When it is 9:00 AM in Portugal, it is 5:00 PM in JST.
When is the best time to call JST from Portugal?
Both sides are at work from 9:00 AM – 10:00 AM in Portugal (5:00 PM – 6:00 PM in JST).
Does the time difference between Portugal and JST change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.