MDT Timezone

21:03:11
Saturday, December 06, 2025
MST • UTC -7

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About Mountain Daylight Time (MDT)

Mountain Daylight Time (MDT) is the daylight saving time zone used in the Mountain Time Zone of North America. It is 6 hours behind Coordinated Universal Time (UTC-6) during the summer months.

Key Information:

  • Time Offset: UTC-6 (during daylight saving time)
  • Standard Time: Mountain Standard Time (MST) is UTC-7
  • DST Period: Second Sunday in March to first Sunday in November
  • Major Cities: Denver, Phoenix (no DST), Salt Lake City, Albuquerque

Usage Tips:

  • Use fullscreen mode for presentations or as a desk clock
  • Customize colors to match your workspace or preferences
  • The display automatically switches between MDT and MST based on daylight saving time
  • Time updates every second for accurate timekeeping