VI. Calendar functions

Table of Contents
JDToGregorian -- Converts Julian Day Count to Gregorian date
GregorianToJD --  Converts a Gregorian date to Julian Day Count
JDToJulian --  Converts a Julian Day Count to a Julian Calendar Date
JulianToJD --  Converts a Julian Calendar date to Julian Day Count
JDToJewish --  Converts a Julian Day Count to the Jewish Calendar
JewishToJD --  Converts a date in the Jewish Calendar to Julian Day Count
JDToFrench --  Converts a Julian Day Count to the French Republican Calendar
FrenchToJD --  Converts a date from the French Republican Calendar to a Julian Day Count
JDMonthName -- Returns a month name
JDDayOfWeek -- Returns the day of the week
easter_date --  Get UNIX timestamp for midnight on Easter of a given year
easter_days --  Get number of days after March 21 on which Easter falls for a given year
unixtojd -- Convert UNIX timestamp to Julian Day
jdtounix -- Convert Julian Day to UNIX timestamp
cal_days_in_month -- Return the number of days in a month for a given year and calendar
cal_to_jd -- Converts from a supported calendar to Julian Day Count
cal_from_jd -- Converts from Julian Day Count to a supported calendar and return extended information
cal_info -- Returns information about a particular calendar