Time Difference Between Great Falls and London
London is 7 hours ahead Great Falls.
United States
Great Falls
America/Denver · UTC-6
United Kingdom
London
Europe/London · UTC+1
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Great Falls and London.
Great Falls
9:00 AM
London
4:00 PM
Great Falls
10:00 AM
London
5:00 PM
Great Falls to London — 24-Hour Conversion
Each row shows the equivalent local time in London for an hour in Great Falls. Working-hours rows (9–18) are highlighted.
| Great Falls | London | Match |
|---|---|---|
| Off hours | ||
| Off hours | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Best for meetings | ||
| Best for meetings | ||
| Workday in Great Falls | ||
| Workday in Great Falls | ||
| Workday in Great Falls | ||
| Workday in Great Falls | ||
| Workday in Great Falls | ||
| Workday in Great Falls | ||
| +1 day | Workday in Great Falls | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between Great Falls and London?
London, United Kingdom (UTC+1) is 7 hours ahead Great Falls, United States (UTC-6).
What is the best time to schedule a meeting between Great Falls and London?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Great Falls and London?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Great Falls, what time is it in London?
Use the conversion table on this page — every hour in Great Falls is mapped to its equivalent local time in London, including day shift markers when the date differs.