Porto to Aisai time converter
Aisai is 8 hours ahead of Porto. When it is 9:00 AM in Porto, it is 5:00 PM in Aisai.
12:57 PM in Porto, Tuesday, October 20, 2026
Porto to Aisai conversion table
Every hour of today in Porto and the matching time in Aisai. Light rows are typical working hours (9:00–18:00).
| Porto | Aisai |
|---|---|
| 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 Porto (5:00 PM – 6:00 PM in Aisai).
Daylight saving time and the difference
The difference changes during the year because Porto and Aisai 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
Distance
Porto and Aisai are 10,822 km (6,724 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Porto and Aisai?
Aisai is 8 hours ahead of Porto.
What time is it in Aisai when it is 9 AM in Porto?
When it is 9:00 AM in Porto, it is 5:00 PM in Aisai.
When is the best time to call Aisai from Porto?
Both sides are at work from 9:00 AM – 10:00 AM in Porto (5:00 PM – 6:00 PM in Aisai).
Does the time difference between Porto and Aisai change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.