ASTRONOMY
E-Books
onlinebooks.library.upenn.edu
Astronomy multilingual
/ Robyn M. & Robert R. Shobbrook
The
Planets Bill Arnett
Solar
Phenomena solar-center.stanford.edu
Solar
Physics hesperia.gsfc.nasa.gov
Solar
System Quizzes
Quizzes
Mike Guidry
Time
History
of Timekeeping NIST
Lesson
Plan Tom Spencer
Lesson
Plans Measuring Time / ProTeacher
Abbreviations
for time GMT, UTC, etc.
StarBits
abbreviations, acronyms, contractions, symbols
CALENDARS ^
Advent
Audio
Aztec azteccalendar.com
Chinese
Chinese, Japanese, Vietnamese
cjvlang.com
Customized
put in a date - creates calendar
Farmer's
Almanac
Mayan
Perpetual Mark J. Smith
Religious
Christian-Jewish-Moslem
Sun & Moon:
FAQ U.S. Naval Observatory
Sun & Moon:
Data U.S. Naval Observatory
History Calendars
Through the Ages
History
L.E. Doggett
History Virtual
Middle School Library
FAQ Claus
Tondering
Lesson
Plan Education World
Lesson
Plan David P. Stern
Lesson
Plans preschoolprintables.com
CLOCKS ^
Official Time
U.S. Naval Observatory
Official Time NIST
Time
& Frequency National Institute of Standards & Technology
World Time Zones
Swiss Info
World
Time Zones U.S. Naval Observatory
World Time Zones
Steffen Thorsen
World
Time Zones
World
Time Zones
Space Shuttle
Countdown Clock
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