Time in MST and IST
The time difference between Mountain Standard Time (MST) and Irish Standard Time (IST) is 8 hours. Irish Standard Time is 8 hours ahead of Mountain Standard Time.
This means 9am MST is 5pm IST and 5pm MST is 1am IST (next day).
Mountain Standard Time
- The current local time in MST is 3:27 am (July 3, 2026)
- MST time zone offset is UTC-07:00
Irish Standard Time
- The current local time in IST is 9:27 pm (July 2, 2026)
- IST time zone offset is UTC+01:00
How to convert Mountain Standard Time to Irish Standard Time?
Add 8 hours to Mountain Standard Time to get Irish Standard Time.
Time in MST
00:00
Time in IST
00:00
Use the slider above to convert Mountain Standard Time to Irish Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| MST | IST |
|---|---|
| 12am | 8am |
| 1am | 9am |
| 2am | 10am |
| 3am | 11am |
| 4am | 12pm |
| 5am | 1pm |
| 6am | 2pm |
| 7am | 3pm |
| 8am | 4pm |
| 9am | 5pm |
| 10am | 6pm |
| 11am | 7pm |
| 12pm | 8pm |
| 1pm | 9pm |
| 2pm | 10pm |
| 3pm | 11pm |
| 4pm | 12am |
| 5pm | 1am |
| 6pm | 2am |
| 7pm | 3am |
| 8pm | 4am |
| 9pm | 5am |
| 10pm | 6am |
| 11pm | 7am |