The frenchtojd() function converts a date from the French Republican Calendar to a Julian Day Count.frenchtojd — Converts a date from the French Republican Calendar to a Julian Day Count.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.
| month | Required. Specifies the month as a number from 1 to 13 | |
| day | Required. Specifies the day as a number from 1 to 30 | |
| year | Required. Specifies the year as a number from 1 to 14 |