If you frequently need to check time zones across various regions, a convenient option is displaying multiple clocks on your iPhone's Home Screen. You can do so using the World Clock widget.

That Sunday in 1883, communities across the country ‒ and the railroads operating in them ‒ agreed to standardize time and create four time zones across North America. It was known as "the day ...

Mountain Time refers to the standard time observed in the Mountain Time Zone, which covers parts of the western United States and Canada. Mountain Time is used during the standard time period ...