Porto to Tonj time converter
Tonj is 1 hour ahead of Porto. When it is 9:00 AM in Porto, it is 10:00 AM in Tonj.
4:09 AM in Porto, Tuesday, October 20, 2026
Porto to Tonj conversion table
Every hour of today in Porto and the matching time in Tonj. Light rows are typical working hours (9:00–18:00).
| Porto | Tonj |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 5:00 PM in Porto (10:00 AM – 6:00 PM in Tonj).
Daylight saving time and the difference
The difference changes during the year because Porto and Tonj switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: +1h
- Oct 25, 2026 – Mar 28, 2027: +2h
- Mar 28, 2027 – Oct 20, 2027: +1h
Distance
Porto and Tonj are 5,265 km (3,272 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Porto and Tonj?
Tonj is 1 hour ahead of Porto.
What time is it in Tonj when it is 9 AM in Porto?
When it is 9:00 AM in Porto, it is 10:00 AM in Tonj.
When is the best time to call Tonj from Porto?
Both sides are at work from 9:00 AM – 5:00 PM in Porto (10:00 AM – 6:00 PM in Tonj).
Does the time difference between Porto and Tonj change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.