SGT to MST converter

Singapore Time (SGT) is UTC+8 with no daylight saving. It covers Singapore (Hong Kong and Perth share the same clock).

Mountain Time (MST) is UTC−7 and observes daylight saving (MDT, UTC−6, roughly March–November). It covers Denver, Salt Lake City and Calgary.

Mountain Time is typically 15 hours behind Singapore Time, though daylight saving can shift the difference by an hour at some times of year.

Best time to call Mountain Time from Singapore Time

There's no 9-to-5 overlap between Singapore Time and Mountain Time — one side always has to flex. The practical slots: 7:00 AM in Singapore Time is 4:00 PM in Mountain Time. Daylight saving can shift these times by an hour at some points in the year.