extra astronomical / calendar / epoch features that mathematica does not have.
has many new functions.

supports multiple calendars (julian, gregorian, synodic, anomalistic). supports JDN conveniently, shows moon phase est. NEW: supports day number from 0 of any calendar

conversion all-way between supported calendars

supports multiple epochs and epoch generation. convert between some epochs without calendar support, ie, J2000.0, JDN, to some effect can create/import epochs and use TAI clock

<< Months`Months`

{PrettyDate[], PrettyDate[calendarChange2[Date[], gregorian, julian], julian], MoonPhase[]}

{"Sunday, July 13 2014. 2:37:04 p.m. -4 GMT", "Saturday, Iunius 30 2014. 2:37:04 p.m. -4 GMT", "Full Moon"}

timeDeduce, a minor extra: deduce and show other times / angles, using time eqn.

input: GMT,lon,tz,arieslon
output: input + SHA,Ra,LHA ; in dn,tm or ang

(for historic reasons files are also in https://sourceforge.net/projects/periodictablemm/)


  • now Mathematica 11.0 compatible, still 4.0 too

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