Php/docs/function.frenchtojd

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frenchtojd

(PHP 4, PHP 5, PHP 7)

frenchtojdConverts a date from the French Republican Calendar to a Julian Day Count


Description

frenchtojd ( int $month , int $day , int $year ) : int

Converts a date from the French Republican Calendar to a Julian Day Count.

These routines only convert dates in years 1 through 14 (Gregorian dates 22 September 1792 through 22 September 1806). This more than covers the period when the calendar was in use.


Parameters

month
The month as a number from 1 (for Vendémiaire) to 13 (for the period of 5-6 days at the end of each year)
day
The day as a number from 1 to 30
year
The year as a number between 1 and 14


Return Values

The julian day for the given french revolution date as an integer.


See Also

  • jdtofrench() - Converts a Julian Day Count to the French Republican Calendar
  • cal_to_jd() - Converts from a supported calendar to Julian Day Count