With this program you can enter a date in any one of 12 calendars and display the date in all of the others. It also display the day of the week and whether the moon is full or new and whether the day is the spring equinox.
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Gregorian |
Jewish |
English regnal |
Egyptian |
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Julian |
Islamic |
English ecclesiastical |
Mayan |
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Roman |
Coptic |
French Republican |
Reformed Saka |
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Chinese |
Bahai |
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You can also display an almanac (which shows festivals) for any year for several of these calendars, or a calendar for a year which gives the day of the week for every day of every month of a year. The conversions, almanacs and calendars can be saved to a file or printed.
Calendars requires Microsoft Windows 7 or later, either 32- or 64-bit versions. It is supplied as an installation program SetupCals140.exe that must be run to install Calendars for your use. This will place an icon on your Desktop.
Please see the program's built-in help for further information about operation and details of the calendars provided.
COPYRIGHT
Calendars is copyright © 1999-2018 by the joint authors Ted Richards and Colin Liebenrood.
WARRANTY
Every care has been
taken to ensure that CALENDAR for Windows and its documentation are free from
error. However, they are supplied 'as is' without any guarantee of accuracy or
fitness for any particular purpose.
First the calendar conversion program
Download: CALENDARS program (584 Kb)
If you are interested in the mathematics of
calendar conversions you may care to download a .TXT file which spells out the
mathematics in some detail. The mathematics should be readily comprehensible to
you if you have studied algebra at school.
Download: Mathematics of Calendars (77 Kb)
You may also care to download the
algorithms used. These are presented in a .TXT file and can be readily used
with the aid of a desk calculator
Download:
Algorithms (20 Kb)
January 27th 2022