Time in GST and MDT
The time difference between Gulf Standard Time (GST) and Mountain Daylight Time (MDT) is 10 hours. Mountain Daylight Time is 10 hours behind Gulf Standard Time.
This means 9am GST is 11pm MDT (previous day) and 5pm GST is 7am MDT.
Gulf Standard Time
- The current local time in GST is 2:43 am (July 3, 2026)
- GST time zone offset is UTC+04:00
Mountain Daylight Time
- The current local time in MDT is 4:43 am (July 3, 2026)
- MDT time zone offset is UTC-06:00
How to convert Gulf Standard Time to Mountain Daylight Time?
Subtract 10 hours from Gulf Standard Time to get Mountain Daylight Time.
Time in GST
00:00
Time in MDT
00:00
Use the slider above to convert Gulf Standard Time to Mountain Daylight 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
| GST | MDT |
|---|---|
| 12am | 2pm |
| 1am | 3pm |
| 2am | 4pm |
| 3am | 5pm |
| 4am | 6pm |
| 5am | 7pm |
| 6am | 8pm |
| 7am | 9pm |
| 8am | 10pm |
| 9am | 11pm |
| 10am | 12am |
| 11am | 1am |
| 12pm | 2am |
| 1pm | 3am |
| 2pm | 4am |
| 3pm | 5am |
| 4pm | 6am |
| 5pm | 7am |
| 6pm | 8am |
| 7pm | 9am |
| 8pm | 10am |
| 9pm | 11am |
| 10pm | 12pm |
| 11pm | 1pm |