Etymologie, Etimología, Étymologie, Etimologia, Etymology, (griech.) etymología, (lat.) etymologia, (esper.) etimologio
VN Vietnam, Vietnam, Viet Nam, Vietnam, Viet Nam, (esper.) Vjetnamujo
Kalender, Calendario, Calendrier, Calendario, Calendar, (esper.) kalendaroj

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Uni Leipzig
Vietnamese lunar calendar

(E?)(L?) http://www.informatik.uni-leipzig.de/~duc/amlich/
The applet displays a month of the Gregorian calendar (du+o+ng li.ch) with the corresponding dates of the Vietnamese lunar calendar. The calculations are carried out with the algorithms described in the book Calendrical Calculations by Edward M. Reingold and Nachum Dershowitz, adapted for Hanoi time (GMT+7). They are explained briefly here.

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