Porto to San Diego time converter
San Diego is 8 hours behind Porto. When it is 9:00 AM in Porto, it is 1:00 AM in San Diego.
6:52 PM in Porto, Wednesday, October 21, 2026
Porto to San Diego conversion table
Every hour of today in Porto and the matching time in San Diego. Light rows are typical working hours (9:00–18:00).
| Porto | San Diego |
|---|---|
| 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 Porto (9:00 AM – 10:00 AM in San Diego).
Daylight saving time and the difference
The difference changes during the year because Porto and San Diego switch clocks on different dates:
- Oct 21, 2026 – Oct 25, 2026: -8h
- Oct 25, 2026 – Nov 1, 2026: -7h
- Nov 1, 2026 – Mar 14, 2027: -8h
- Mar 14, 2027 – Mar 28, 2027: -7h
- Mar 28, 2027 – Oct 21, 2027: -8h
Distance
Porto and San Diego are 9,022 km (5,606 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Porto and San Diego?
San Diego is 8 hours behind Porto.
What time is it in San Diego when it is 9 AM in Porto?
When it is 9:00 AM in Porto, it is 1:00 AM in San Diego.
When is the best time to call San Diego from Porto?
Both sides are at work from 5:00 PM – 6:00 PM in Porto (9:00 AM – 10:00 AM in San Diego).
Does the time difference between Porto and San Diego change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.