• Public
    Holiday Calendars
  • Free Printable
    Calendars
  • Current Time
    In All Countries
  • US Stores
    Opening Hours
About Us

About Calendar Hours

On our portal you will find accurate information about all world time zones, daylight saving time, time calculators, annual and monthly calendars to print, holiday dates in all countries of the world and opening hours of major US companies.

  • US Time Zone Map To Print : Download and print our beautiful free US time zone map to always have a quick way to check the current time in various cities in the region.
  • World Time Zone Map To Print : Download and print our beautiful free world time zone map to always have a quick way to check the current time in various cities around the world.

Made For People

We offer free online apps that help with everyday tasks for real people, whether it's planning a vacation trip, scheduling business meetings, starting a military career, or calculating dates and times in the future or past.

  • Military Time App : Easily convert and track the exact time of all existing military time zones on planet earth.
  • What Time Is It App : Easily track the exact time with seconds according to the official atomic clock anywhere worldwide.
  • What Holiday is Today : In our definitive guide you will have access to a complete and official list of holidays celebrated today around the world.
  • Time In America App : Track exact current time in America with seconds according to the official atomic clock in all states, provinces, cities, territories and time zones of the United States.
  • Daylight Savings Time Guide : In this ultimate guide, you'll learn when daylight savings time starts and ends in the US, Canada, UK, Germany, Italy, Australia, and New Zealand.

Our Headquarters

Brandywine Building, 1000 North West Street, Wilmington, DE, 19801, United States.