Marco Mastrofini (1763–1845) was an Italian priest, philosopher and mathematician.
History of work
In 1834 Mastrofini offered to create for the world an "eternal" calendar, and demonstrated that its invariance can be achieved only by application of special
intercalary days
Intercalation or embolism in timekeeping is the insertion of a leap day, week, or month into some calendar years to make the calendar follow the seasons or moon phases. Lunisolar calendars may require intercalations of both days and months.
So ...
that would belong to any week or month. He offered to establish a calendar year of 364 days split into 52 seven-day weeks, and to place the 365th day of each year at the end of December, considering it special or out of week.
He planned one more special day in a
leap year
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or s ...
, and to place it in the middle of a year, between the last day of June and the first day of July, or following the first special day.
Influence on other calendars
His work significantly influenced the
Armelin's calendar
Armelin's calendar was developed around 1887 by French astronomer , who developed a twelve-month calendar in which the year of 364 days was divided into four equal quarters of 91 days.
Armelin's calendar proposal was discussed chiefly under t ...
and calendar
reform proposal by
Auguste Comte
Isidore Marie Auguste François Xavier Comte (; 19 January 1798 – 5 September 1857) was a French philosopher and writer who formulated the doctrine of positivism. He is often regarded as the first philosopher of science in the modern sense ...
in 1849.
References
Marco Mastrofini Bio
{{DEFAULTSORT:Mastrofini, Marco
1763 births
1845 deaths
People from Monte Compatri
19th-century Italian Roman Catholic priests
18th-century Italian mathematicians
19th-century Italian mathematicians