Organized collection of links to horological websites globally. Converter - Tell the time anywhere in the world using the updated time zone database. International Time Zones - A table of time difference between the USA's time zones and the rest of the world. Timezone Converter - Converts an entered time from one timezone to another. Time - Displayed in a variety of useful formats.
Site is a front-end to U.S. government atomic clocks.
NIST Time and Frequency Division - The National Institute of Standards and Technology maintains time and frequency standards for the United States. Daylight Saving Time - History of daylight saving time and how we use it to save energy. Time - A descriptive presentation on the interaction of time of day and day of the week with the International Date Line. Time Data - A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps. Frequently Argued Questions - A humorous approach towards explaining the nature of leap years, in particular why 2000 is a leap year.