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 FileMaker Pro Custom Functions

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CalendarDiff ( thedate ; gregorian )

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Theo Ros, *

Returns the number of days between a the Julian Calendar for a given date and the Gregorian Calendar

Sample Input:
CalendarDiff ( InputDate1; True )
Sample Output:
(if Inputdate contains June 20, 2005)

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Returns the number of days between a the Julian Calendar for a given date
and the Gregorian Calendar

In: thedate - a datefield in either Julian or Gregorian Calendar
gregorian - True (1) if the given date is in the Gregorian Calendar
False (0) if the given date is in the Julian Calendar

Return type: Number

To switch between calendars, use this like:
myJulianDate = myJulianDate + CalendarDiff ( GregorianDatefield ; 1 )
myGregorianDate = myGregorianDate + CalendarDiff ( JulianDateField ; 0 )

p.s. on Julian dates, do not expect Filemaker to return the DayOfWeek correctly.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

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