Sumiyoshi to Porto time converter
Porto is 8 hours behind Sumiyoshi. When it is 9:00 AM in Sumiyoshi, it is 1:00 AM in Porto.
8:18 PM in Sumiyoshi, Monday, October 19, 2026
Sumiyoshi to Porto conversion table
Every hour of today in Sumiyoshi and the matching time in Porto. Light rows are typical working hours (9:00–18:00).
| Sumiyoshi | Porto |
|---|---|
| 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 Sumiyoshi (9:00 AM – 10:00 AM in Porto).
Daylight saving time and the difference
The difference changes during the year because Sumiyoshi and Porto switch clocks on different dates:
- Oct 19, 2026 – Oct 25, 2026: -8h
- Oct 25, 2026 – Mar 28, 2027: -9h
- Mar 28, 2027 – Oct 19, 2027: -8h
Distance
Sumiyoshi and Porto are 10,922 km (6,787 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Sumiyoshi and Porto?
Porto is 8 hours behind Sumiyoshi.
What time is it in Porto when it is 9 AM in Sumiyoshi?
When it is 9:00 AM in Sumiyoshi, it is 1:00 AM in Porto.
When is the best time to call Porto from Sumiyoshi?
Both sides are at work from 5:00 PM – 6:00 PM in Sumiyoshi (9:00 AM – 10:00 AM in Porto).
Does the time difference between Sumiyoshi and Porto change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.