JST to Portugal time converter
Portugal is 8 hours behind JST. When it is 9:00 AM in JST, it is 1:00 AM in Portugal.
2:52 PM in JST, Tuesday, October 20, 2026
Shared working hours (9:00–18:00)
JST to Portugal conversion table
Every hour of today in JST and the matching time in Portugal. Light rows are typical working hours (9:00–18:00).
| JST | Portugal |
|---|---|
| 12:00 AM | 4:00 PM−1 day |
| 1:00 AM | 5:00 PM−1 day |
| 2:00 AM | 6:00 PM−1 day |
| 3:00 AM | 7:00 PM−1 day |
| 4:00 AM | 8:00 PM−1 day |
| 5:00 AM | 9:00 PM−1 day |
| 6:00 AM | 10:00 PM−1 day |
| 7:00 AM | 11:00 PM−1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Best time to call or meet
Both sides are at work from 5:00 PM – 6:00 PM in JST (9:00 AM – 10:00 AM in Portugal).
Daylight saving time and the difference
The difference changes during the year because JST and Portugal 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 JST and Portugal?
Portugal is 8 hours behind JST.
What time is it in Portugal when it is 9 AM in JST?
When it is 9:00 AM in JST, it is 1:00 AM in Portugal.
When is the best time to call Portugal from JST?
Both sides are at work from 5:00 PM – 6:00 PM in JST (9:00 AM – 10:00 AM in Portugal).
Does the time difference between JST and Portugal change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.