Time Difference Between Longmont and London
London is 7 hours ahead Longmont.
United States
Longmont
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 Longmont and London.
Longmont
9:00 AM
London
4:00 PM
Longmont
10:00 AM
London
5:00 PM
Longmont to London — 24-Hour Conversion
Each row shows the equivalent local time in London for an hour in Longmont. Working-hours rows (9–18) are highlighted.
| Longmont | 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 Longmont | ||
| Workday in Longmont | ||
| Workday in Longmont | ||
| Workday in Longmont | ||
| Workday in Longmont | ||
| Workday in Longmont | ||
| +1 day | Workday in Longmont | |
| +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 Longmont and London?
London, United Kingdom (UTC+1) is 7 hours ahead Longmont, United States (UTC-6).
What is the best time to schedule a meeting between Longmont 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 Longmont 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 Longmont, what time is it in London?
Use the conversion table on this page — every hour in Longmont is mapped to its equivalent local time in London, including day shift markers when the date differs.