Porto to Bo time converter
Bo is 1 hour behind Porto. When it is 9:00 AM in Porto, it is 8:00 AM in Bo.
10:09 AM in Porto, Monday, October 19, 2026
Shared working hours (9:00–18:00)
Porto to Bo conversion table
Every hour of today in Porto and the matching time in Bo. Light rows are typical working hours (9:00–18:00).
| Porto | Bo |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Porto (9:00 AM – 5:00 PM in Bo).
Daylight saving time and the difference
The difference changes during the year because Porto and Bo switch clocks on different dates:
- Oct 19, 2026 – Oct 25, 2026: -1h
- Oct 25, 2026 – Mar 28, 2027: ±0
- Mar 28, 2027 – Oct 19, 2027: -1h
Distance
Porto and Bo are 3,703 km (2,301 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Porto and Bo?
Bo is 1 hour behind Porto.
What time is it in Bo when it is 9 AM in Porto?
When it is 9:00 AM in Porto, it is 8:00 AM in Bo.
When is the best time to call Bo from Porto?
Both sides are at work from 10:00 AM – 6:00 PM in Porto (9:00 AM – 5:00 PM in Bo).
Does the time difference between Porto and Bo change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.