Lisbon to Great Falls time converter
Great Falls is 7 hours behind Lisbon. When it is 9:00 AM in Lisbon, it is 2:00 AM in Great Falls.
Lisbon WEST
Tuesday, October 20, 2026
Great Falls MDT
Monday, October 19, 2026
4:50 AM in Lisbon, Tuesday, October 20, 2026
Lisbon to Great Falls conversion table
Every hour of today in Lisbon and the matching time in Great Falls. Light rows are typical working hours (9:00–18:00).
| Lisbon | Great Falls |
|---|---|
| 12:00 AM | 5:00 PM−1 day |
| 1:00 AM | 6:00 PM−1 day |
| 2:00 AM | 7:00 PM−1 day |
| 3:00 AM | 8:00 PM−1 day |
| 4:00 AM | 9:00 PM−1 day |
| 5:00 AM | 10:00 PM−1 day |
| 6:00 AM | 11:00 PM−1 day |
| 7:00 AM | 12:00 AM |
| 8:00 AM | 1:00 AM |
| 9:00 AM | 2:00 AM |
| 10:00 AM | 3:00 AM |
| 11:00 AM | 4:00 AM |
| 12:00 PM | 5:00 AM |
| 1:00 PM | 6:00 AM |
| 2:00 PM | 7:00 AM |
| 3:00 PM | 8:00 AM |
| 4:00 PM | 9:00 AM |
| 5:00 PM | 10:00 AM |
| 6:00 PM | 11:00 AM |
| 7:00 PM | 12:00 PM |
| 8:00 PM | 1:00 PM |
| 9:00 PM | 2:00 PM |
| 10:00 PM | 3:00 PM |
| 11:00 PM | 4:00 PM |
Best time to call or meet
Both sides are at work from 4:00 PM – 6:00 PM in Lisbon (9:00 AM – 11:00 AM in Great Falls).
Daylight saving time and the difference
The difference changes during the year because Lisbon and Great Falls switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: -7h
- Oct 25, 2026 – Nov 1, 2026: -6h
- Nov 1, 2026 – Mar 14, 2027: -7h
- Mar 14, 2027 – Mar 28, 2027: -6h
- Mar 28, 2027 – Oct 20, 2027: -7h
Distance
Lisbon and Great Falls are 7,727 km (4,801 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Lisbon and Great Falls?
Great Falls is 7 hours behind Lisbon.
What time is it in Great Falls when it is 9 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 2:00 AM in Great Falls.
When is the best time to call Great Falls from Lisbon?
Both sides are at work from 4:00 PM – 6:00 PM in Lisbon (9:00 AM – 11:00 AM in Great Falls).
Does the time difference between Lisbon and Great Falls change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.