Add Whitehorse (Canada) to your list and use my-locations table to visually convert it's time to another timezone or city time.
Mouse over the colored hour-tiles and glance at the hours selected by the column.

Current time zone for Whitehorse (Canada) is MST, whose offset is GMT-7 from Greenwich Mean Time (GMT).

The IANA timezone identifier for Whitehorse, Canada is "America/Whitehorse"

It currently does not observe Daylight Savings Time.