How many hours is MST behind FJT?
As abbreviations, FJT is always 19 hours ahead of MST: MST is UTC−7 and FJT is UTC+12. To convert, add 19 hours.
Check which label you actually need: MST (Mountain Time is on MDT today). A time written with an abbreviation that is not in use is usually meant as the local time, so convert between the places instead: right now FJT is 18 hours ahead of MST.
When the MST to FJT time difference changes
For most of the year FJT is 18 hours ahead of MST. From 1 November to 31 December 2026, FJT is 19 hours ahead of MST instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
| Dates | FJT vs MST | Length |
|---|---|---|
| 8 March 2026 to 31 October 2026 | 18 hours ahead | 238 days |
| 1 November 2026 to 31 December 2026 | 19 hours ahead | 61 days |
| 1 January 2027 to 13 March 2027 | 19 hours ahead | 72 days |
| 14 March 2027 to 6 November 2027 | 18 hours ahead | 238 days |
| 7 November 2027 to 31 December 2027 | 19 hours ahead | 55 days |
Best time for a meeting between MST and FJT
- When FJT is 18 hours ahead of MST: no shared 09:00 to 17:00 hours; one side has to take the call outside office hours.
- When FJT is 19 hours ahead of MST: no shared 09:00 to 17:00 hours; one side has to take the call outside office hours.