frenchtojd
(PHP 4, PHP 5, PHP 7, PHP 8)
frenchtojd — Converts a date from the French Republican Calendar to a Julian Day Count
Description
frenchtojd(int
$month, int $day, int $year): intConverts 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
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