Timekeeping
NIST FAQ on time physics nist news releases questions
Time Questions and Answers from NIST
Figure-8 in the Sky games analemma
Astronomical Games: August 2002
The Equation of Time and the Analemma, by Kieron Taylor articles
The Equation of Time - Why Sundial Time Differs From Clock Time Depending On Time Of Year
Analemma.com: free download of SunGraph software for analemmae (incorrectly claims Mercury and Venus lack analemmae)
Analemma
Temple Grove Seminary Collection in the Skidmore Archives library collections
Lucy Scribner Library - Library Collections - Special Collections - Temple Grove
Harriet M. Dowd, wife lits library arch
Dowd, Harriet M. (North)
Finding Aid
The Darian Calendar mars mst
Martian Calendar
decimal time units Last revised February 27 2004
Time
LE CALENDRIER RÉPUBLICAIN Textes officiels Décrets Relatifs à l'établissement de l'Ère Républicaine published by Philippe Chapelin 2002
A single 31-byte string identifies the number of the mean solar day, the lunar month, and the equinoctial year — all to three decimal places.
Chapter 1. Toward a Rational Social Contract
Decimal Time
Decimal Time - Home Page
Eclipse Predictions and Earth's Rotation by Fred Espenak nasa eclipse rotation
NASA - Eclipse Predictions and Earth's Rotation
Delta T by Peter Meyer hermetic
Chinese Calendrics: Delta T
Delta T by Jean Meeus hermetic
Delta T
Delta T by Felix Verbelen user online
deltaT.htm
Delta T by Robert van Gent
Delta T: Approximate algorithms for historical periods
Dates potentially causing problems in computer systems policy areas cfm
Dates Potentially Causing Problems in Computer Systems (from today to 2100) - The IEE
original specification in PostScript format.
RFC1305 , defining the Network Time Protocol, includes a lot of information on time standards in historical and modern calendars, starting on page 81 (numbered 74) of the
RFC 1305 (rfc1305) - Network Time Protocol (Version 3) Specification, Impl
The equation of time described on the Royal Greenwich Observatory website
The equation of time : Time & timekeeping : Fact files : Learning : National Maritime Museum
Sundials on the Internet sundials equation
Sundials on the Internet - the Equation of Time
Table giving the Equation of Time and the declination of the sun for every day of the year pavilion users
Daily Sun Data
Antique Decimal Watches html vox revolutionary
Revolutionary Time
Synoptical Julian - Gregorian calendar Compare Old and New Style dates 1582 - 2100.
2006 Julian calendar / Old style - New style reference
The Perpetual Calendar Gregorian Calendar adoption dates for many countries.
Toke Nørby. The Perpetual Calendar
Hexadecimal Earthgrid hexadecimal free
Hexadecimal Earthgrid
U.S. Law 15USC260-267 law
US CODE: Title 15,SUBCHAPTER IX—STANDARD TIME
Standard Time Zone Boundaries 49CFR71 access
2003 CFR Title 49, Volume 1
U.S. Navy time zone page navy mil docs
U.S. Time Zones
Official website
International Earth rotation and Reference systems Service (IERS)
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It uses material from the Wikipedia articles :
12-hour clock , Analemma , Charles F. Dowd , Darian calendar , Decimal time , Delta T , Epoch (reference date) , Equation of time , French Republican Calendar , Gregorian calendar , Hexadecimal time , History of standard time in the United States , International Earth Rotation and Reference Systems Service , .
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the Froola link list about "Timekeeping".