MST to London time conversion
London is 8 hours ahead of MST. After the next clock change (): London is 7 hours ahead of MST.
MST is always UTC-7. Right now most places that use MST are on MDT (UTC-6): London is 7 hours ahead of MDT.
Time difference with your location
MST is 7 hours behind UTC. Compare with your local time →
Choose a date and time
Choose the local time in MST to convert it to London on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · MST → London
This table converts each hour in MST to London on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| MST | London | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 08:008:00 AM | |
| 01:001:00 AM | 09:009:00 AM | |
| 02:002:00 AM | 10:0010:00 AM | |
| 03:003:00 AM | 11:0011:00 AM | |
| 04:004:00 AM | 12:0012:00 PM | |
| 05:005:00 AM | 13:001:00 PM | |
| 06:006:00 AM | 14:002:00 PM | |
| 07:007:00 AM | 15:003:00 PM | |
| 08:008:00 AM | 16:004:00 PM | ✓ |
| 09:009:00 AM | 17:005:00 PM | ✓ |
| 10:0010:00 AM | 18:006:00 PM | |
| 11:0011:00 AM | 19:007:00 PM | |
| 12:0012:00 PM | 20:008:00 PM | |
| 13:001:00 PM | 21:009:00 PM | |
| 14:002:00 PM | 22:0010:00 PM | |
| 15:003:00 PM | 23:0011:00 PM | |
| 16:004:00 PM | 00:0012:00 AM +1 day | |
| 17:005:00 PM | 01:001:00 AM +1 day | |
| 18:006:00 PM | 02:002:00 AM +1 day | |
| 19:007:00 PM | 03:003:00 AM +1 day | |
| 20:008:00 PM | 04:004:00 AM +1 day | |
| 21:009:00 PM | 05:005:00 AM +1 day | |
| 22:0010:00 PM | 06:006:00 AM +1 day | |
| 23:0011:00 PM | 07:007:00 AM +1 day |
Quick conversion examples
These examples use MST (UTC-7) and London (UTC+1); choosing a date applies the local clock changes.
Conversion formula: London = MST + 8h · MST + 7h · MDT + 6h · MDT + 7h.
| MST | London |
|---|---|
| 6:00 AM MST | = 2:00 PM London |
| 7:00 AM MST | = 3:00 PM London |
| 8:00 AM MST | = 4:00 PM London |
| 9:00 AM MST | = 5:00 PM London |
| 10:00 AM MST | = 6:00 PM London |
| 12:00 PM MST | = 8:00 PM London |
| 3:00 PM MST | = 11:00 PM London |
| 5:00 PM MST | = 1:00 AM London (+1 day) |
| 6:00 PM MST | = 2:00 AM London (+1 day) |
| 8:00 PM MST | = 4:00 AM London (+1 day) |
Overlapping meeting hours
The 08:00–18:00 working day in MST and London overlaps for 2 hours on 2026-10-21.
- Shared working hours
- 08:00–10:00 MST · 16:00–18:00 London
Clock changes on both sides, 2026–2028
MST and London have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | MST | London |
|---|---|---|
| 2026 | · 02:00 → 03:00 · 02:00 → 01:00 | · 01:00 → 02:00 · 02:00 → 01:00 |
| 2027 | · 02:00 → 03:00 · 02:00 → 01:00 | · 01:00 → 02:00 · 02:00 → 01:00 |
| 2028 | · 02:00 → 03:00 · 02:00 → 01:00 | · 01:00 → 02:00 · 02:00 → 01:00 |
At the start of 2026, London is 7 hours ahead of MST. The difference changes during the following periods.
- From 2026-03-08 03:00 MDT until 2026-03-28 19:00 MDT, London is 6 hours ahead of MDT.
- From 2026-10-24 19:00 MDT until 2026-11-01 01:00 MST, London is 6 hours ahead of MDT.
- From 2027-03-14 03:00 MDT until 2027-03-27 19:00 MDT, London is 6 hours ahead of MDT.
- From 2027-10-30 19:00 MDT until 2027-11-07 01:00 MST, London is 6 hours ahead of MDT.
- From 2028-03-12 03:00 MDT until 2028-03-25 19:00 MDT, London is 6 hours ahead of MDT.
- From 2028-10-28 19:00 MDT until 2028-11-05 01:00 MST, London is 6 hours ahead of MDT.
Frequently asked questions
What time is 9 AM MST in London?
9:00 AM MST = 5:00 PM London, using UTC-7 and UTC+1. Choose a date above for the seasonal local time.
Does the time difference between MST and London change during the year?
Yes. During 2026–2028: London is 6 hours ahead of MST; London is 7 hours ahead of MST. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in London?
Read the London clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between MST and London?
The shared 08:00–18:00 working window is 08:00–10:00 MST / 16:00–18:00 London, a total of 2 hours.
What is the time difference between MST and London now?
Right now, London is 8 hours ahead of MST. Conversion formula: London = MST + 8h · MST + 7h · MDT + 6h · MDT + 7h.