Porto to Kosigi time converter
Kosigi is 4 hours 30 minutes ahead of Porto. When it is 9:00 AM in Porto, it is 1:30 PM in Kosigi.
2:48 AM in Porto, Tuesday, October 20, 2026
Porto to Kosigi conversion table
Every hour of today in Porto and the matching time in Kosigi. Light rows are typical working hours (9:00–18:00).
| Porto | Kosigi |
|---|---|
| 12:00 AM | 4:30 AM |
| 1:00 AM | 5:30 AM |
| 2:00 AM | 6:30 AM |
| 3:00 AM | 7:30 AM |
| 4:00 AM | 8:30 AM |
| 5:00 AM | 9:30 AM |
| 6:00 AM | 10:30 AM |
| 7:00 AM | 11:30 AM |
| 8:00 AM | 12:30 PM |
| 9:00 AM | 1:30 PM |
| 10:00 AM | 2:30 PM |
| 11:00 AM | 3:30 PM |
| 12:00 PM | 4:30 PM |
| 1:00 PM | 5:30 PM |
| 2:00 PM | 6:30 PM |
| 3:00 PM | 7:30 PM |
| 4:00 PM | 8:30 PM |
| 5:00 PM | 9:30 PM |
| 6:00 PM | 10:30 PM |
| 7:00 PM | 11:30 PM |
| 8:00 PM | 12:30 AM+1 day |
| 9:00 PM | 1:30 AM+1 day |
| 10:00 PM | 2:30 AM+1 day |
| 11:00 PM | 3:30 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 1:30 PM in Porto (1:30 PM – 6:00 PM in Kosigi).
Daylight saving time and the difference
The difference changes during the year because Porto and Kosigi switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: +4h 30m
- Oct 25, 2026 – Mar 28, 2027: +5h 30m
- Mar 28, 2027 – Oct 20, 2027: +4h 30m
Distance
Porto and Kosigi are 8,515 km (5,291 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Porto and Kosigi?
Kosigi is 4 hours 30 minutes ahead of Porto.
What time is it in Kosigi when it is 9 AM in Porto?
When it is 9:00 AM in Porto, it is 1:30 PM in Kosigi.
When is the best time to call Kosigi from Porto?
Both sides are at work from 9:00 AM – 1:30 PM in Porto (1:30 PM – 6:00 PM in Kosigi).
Does the time difference between Porto and Kosigi change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.