Expressions of Time sells time zone clocks at its website, ClockShoppes.com, and OfficeClocks.com also offers time zone clocks. The Clock Depot sells several different types of multiple time zone clocks online and at its brick-and-mortar store.
Expressions of Time carries time zone wall clocks that use separate dials to display up to five different time zones. The company also carries a single-dial aviator world time clock that displays 25 time zones, Hermle world clocks, a Hermle airport time zone clock and a world radio-controlled travel alarm clock. The selection also includes the Howard Miller Discoverer time zone clock, which features a revolving world map that displays the time in any time zone, as of 2015.
OfficeClocks.com offers multiple-dial time zone clocks for wall or desk display and digital clocks that show multiple time zones. The company also carries individual time zone display wall clocks, international time zone clocks and Geochron world clocks. Geochron clocks simultaneously show the current time worldwide, and they also display the seasons, sunrises, sunsets and the extent of daylight and darkness throughout the world. OfficeClocks.com can customize its clocks to fit individual decor and timekeeping needs.
The Clock Depot carries a selection of multiple-dial time zone clocks, and its world time clocks display time zones for every major city in the world. Users mark a location with the time zone dial, and the dial displays the difference in hours between each time zone.