Boston to Lisbon time converter
Lisbon is 5 hours ahead of Boston. When it is 9:00 AM in Boston, it is 2:00 PM in Lisbon.
11:16 AM in Boston, Saturday, October 17, 2026
Boston to Lisbon conversion table
Every hour of today in Boston and the matching time in Lisbon. Light rows are typical working hours (9:00–18:00).
| Boston | Lisbon |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM+1 day |
| 8:00 PM | 1:00 AM+1 day |
| 9:00 PM | 2:00 AM+1 day |
| 10:00 PM | 3:00 AM+1 day |
| 11:00 PM | 4:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 1:00 PM in Boston (2:00 PM – 6:00 PM in Lisbon).
Daylight saving time and the difference
The difference changes during the year because Boston and Lisbon switch clocks on different dates:
- Oct 17, 2026 – Oct 24, 2026: +5h
- Oct 24, 2026 – Nov 1, 2026: +4h
- Nov 1, 2026 – Mar 14, 2027: +5h
- Mar 14, 2027 – Mar 27, 2027: +4h
- Mar 27, 2027 – Oct 17, 2027: +5h
Distance
Boston and Lisbon are 5,130 km (3,188 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Boston and Lisbon?
Lisbon is 5 hours ahead of Boston.
What time is it in Lisbon when it is 9 AM in Boston?
When it is 9:00 AM in Boston, it is 2:00 PM in Lisbon.
When is the best time to call Lisbon from Boston?
Both sides are at work from 9:00 AM – 1:00 PM in Boston (2:00 PM – 6:00 PM in Lisbon).
Does the time difference between Boston and Lisbon change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.