Calgary and Boston time difference is 2 hours


Time in Calgary


Mon, May 25th (UTC -6)
Time in Boston


Mon, May 25th (UTC -4)

You should keep in mind that these two cities are in two different time zones. Boston time is 2 hours ahead of Calgary time, so if you are located in Calgary and would like to make a phone call to or have a video chat with someone in Boston, the convenient time for both you and the other party is 9am to 3pm (Calgary time).


See distance from Calgary to Boston

Time difference comparison

12 am Calgary2am Boston
1 am Calgary3am Boston
2 am Calgary4am Boston
3 am Calgary5am Boston
4 am Calgary6am Boston
5 am Calgary7am Boston
6 am Calgary8am Boston
7 am Calgary9am Boston
8 am Calgary10am Boston
9 am Calgary11am Boston
10 am Calgary12pm Boston
11 am Calgary1pm Boston
12 pm Calgary2pm Boston
1 pm Calgary3pm Boston
2 pm Calgary4pm Boston
3 pm Calgary5pm Boston
4 pm Calgary6pm Boston
5 pm Calgary7pm Boston
6 pm Calgary8pm Boston
7 pm Calgary9pm Boston
8 pm Calgary10pm Boston
9 pm Calgary11pm Boston
10 pm Calgary12am next day Boston
11 pm Calgary1am next day Boston

The hours shown in blue color are the usual 9 am to 5 pm business hours.



Time difference between MDT (Mountain Daylight Time) and EDT (Eastern Daylight Time) is 2 hours



Calgary - Canada

  • Time zone: MDT - Mountain Daylight Time
  • Time zone offset: UTC/GMT -6
  • DST started on: 08 March 2020
  • DST will end on: 01 November 2020
    When Daylight Saving Time ends, the time zone in Calgary will return to MST (Mountain Standard Time).


Boston - USA

  • Time zone: EDT - Eastern Daylight Time
  • Time zone offset: UTC/GMT -4
  • DST started on: 08 March 2020
  • DST will end on: 01 November 2020
    When Daylight Saving Time ends, the time zone in Boston will return to EST (Eastern Standard Time).