website introduction：Current time in tables of places in the world. Can be sorted and otherwise customized. Includes meeting planner and other time-related tools.
website introduction：Time zone converter and meeting scheduler specializing on working across several time zones at once.
website introduction：Today in history every day - often with pictures and sound.
website introduction：Free internet alarm clock displaying your computer time. Also with a countdown timer, an online stopwatch, the world's first web browser-based version of a clock radio, and a video alarm clock that lets you use any YouTube video as your alarm sound. Visit the site map page at onlineclock.net/about/ to discover the many different free online alarm clocks and timers offered by the Online Clock website.
website introduction：Unix timestamp converter tools. With programming routines and examples.
website introduction：Exact time for any time zone and any location in the world
website introduction：The Time Now is a reliable tool when traveling, calling or researching. The Time Now provides accurate (US network of cesium clocks) synchronized time and accurate time services around the world: current local time, UTC/GMT offset, daylight saving time, time zone, currency, country calling codes, weather & forecast, sunrise & sunset, moonrise & moonset, coordinates, nearby cities, nearby airports, local businesses opening times & more. Also many tools such as a time zone converter, an international meeting planner, a dialing codes helper, a distance calculator & a currency converter. The Time Now is currently available in 29 languages.
website introduction：A world map with inserted clocks for every time zone in the world.
website introduction：Shows the official US time in each time zone.
website introduction：Comparison of the time zones with your local time.
website introduction：History of daylight saving time and how we use it to save energy.
website introduction：Dedicated to the collection, restoration, research and appreciation of all manner of clocks, watches, and sun dials. They have many resources to help everyone from new collectors to experienced professionals.
website introduction：Current time in any city or country, time zone converter between multiple locations worldwide. Local city time and detailed information about currently used timezone, taking into account daylight savings changes and standard time, calculates offset from Greenwich Mean Time and UTC and more. Provides exact information about Summer an Winter times with the day and hour when clocks are adjusted for 1 hour forward or backwards. Converter allows find, add and compare 100 000+ cities and about 300 timezones without a limit and for free. Includes official, unofficial and military time zone abbreviat
website introduction：The internet cluster of ntp servers.
website introduction：Provides current local time and a quick loading time zone map of the entire United States.
website introduction：The National Institute of Standards and Technology maintains time and frequency standards for the United States.
website introduction：Local time for any country, city, town, village, street, point of interest or geo-coordinates on Earth.
website introduction：Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally.
website introduction：Current time shown with photos related to that exact time. Site accepts photo submissions.
website introduction：GMT offset via Flash rollover world map. Lists all countries in the world, and returns ticking accurate current time.
website introduction：Traditional horology website with information and mantainance tips. Technical descriptions and troubleshooting of escapements. Grandfather clocks, wall clocks, and watches.
website introduction：Statements from an aggressive adherent of "nature's harmonic simultaneous 4-day time cube."
website introduction：Displays a map of the main parts of the United States, showing the time zones and the current local time. Time details for most US cities available.
website introduction：A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps.
website introduction：Rapidly find when the best time to connect to someone in a different time zone is. Perfect for scheduling conference calls, Skype sessions or video conferences.