Links

Here you can find some useful on- and offline resources on calendars, date and time calculation, online date converters and background-information on calendars and programming.

Online Resources

Calendars in general
 – Calendar FAQ
 – General information on date and time
 – L.E. Doggett on Calendars (reprinted from the Explanatory Supplement to the Astronomical Almanac)

Other Online Date Converters
 – Collection of Date Converters (Gregorian, Julian, Jewish, Mayan, French Revolution)
 – Gregorian-Hijri Dates Converter
 – Hebrew Date Converter
 – French Revolutionary Calendar
 – Western-Chinese Calendar Converter
 – CIVIL4.0: a tiny DOS program (Zipped, 25kB) to convert Egyptian Civil dates into Julian and Gregorian dates, B.C. and A.D.

Calendars and Programming
 – The Best of Dates, the Worst of Dates
 – The Many Dates and Times of Perl
 – Perl DateTime-Project

Online Resources on Ancient Egypt
 – Special Subject Collection in Egyptology, University Library Heidelberg (N. Kloth)
 – Info - online: Das Informationsblatt der deutschsprachigen Ägyptologie

Books

Calendars in general
– E.G. Richards: Mapping Time. The Calendar and its History, Oxford 1998
– E.M. Reingold & N. Gershowitz: Calendrical Calculations

Calendars and Chronology of Ancient Egypt
– J.v. Beckerath: Chronologie des Pharaonischen Ägypten, Mainz 1997
– Skeat: Reigns of the Ptolemies, 1969
– P.W. Pestman: Chronologie égyptienne d'après les textes démotiques, 1967
– P.W. Pestman: Les papyrus démotiques de Tsenhor, 1994