HEATKEYS

The official U.S. time. Public service cooperatively provided by the two time agencies of United States: a civilian agency, the National Institute of Standards and Technology (NIST), and its military counterpart, the U. S. Naval Observatory (USNO). A...

World Time Server shows current local time in cities and countries in all time zones, adjusted for Daylight Saving Time rules automatically. Even check current international weather conditions.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

The Master Clock for the United States.

This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and culture at Wired.com.

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Time and Frequency Division

Groundbreaking developments in science, space, technology, health, and the environment

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

The Bulletin informs the public and influences policy through in-depth analysis, op-eds, and reports on nuclear weapons, climate change, nuclear energy, and biosecurity.