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Time

Lists

1. Calendars (StartSpot Mediaworks - Library Spot)
   Provides nine interesting types of calendars.

Materials

1. Calendar Online (Calendar.net)
   Provides an online calendar that you can post online for your private use for sharing with others. 1-00

Papers

1. Ancient Calendars
2. Calendars (Mining Company - Gill)
   Provides links to calendars of different cultures.
3. Earliest Clocks
4. Greenwich Electronic Time (applesforhealth)
   Britain will launch Greenwich Electronic Time (GET) on New Year's Day to provide a common standard for global electronic commerce, officials said. 12-31-99.
5. Gregorian Calendar (van Helden)
   Describes the Gregorian Calendar and provides its history. 11-01
6. Gregorian Calendar Generator
   Provides a calendar for a month in history that you specify.
7. History of Clocks (NIST) 3-00
8. History of Clocks (Weissman) 3-00
9. History of the Clock (Sterling Infotech Enterprise)
   Provides a history of the development of the clock. 7-00
10. Roman Calendar
11. Sundial Construction (North American Sundial Society)
    Provides instructions for completing a sundial, as well as help with the concept of time. 5-00
12. Times for Sunrise and Sunset (USA Today)

Worksheets

1. Calendar for Kids (The Crayon House)
   Provides printable calendars, with a "coloring book" top.
2. New Clock - World's Most Accurate (BBC News)
   Describes a new clock that is accurate within one second every 15 billion years. Also provides the definition of a second - "Atomic clock technology enabled scientists in 1967 to define the second as the period equal to 9,192,631,770 cycles of the radiation that corresponds to the transition between two energy levels of the ground state of the caesium-133 atom." 7-01