An S4 class to represent a Gregorian calendar.
See also
Other classes:
AD-class
,
BC-class
,
BCE-class
,
BP-class
,
CE-class
,
JulianCalendar-class
,
RataDie-class
,
TimeIntervals-class
,
TimeScale-class
,
TimeSeries-class
,
b2k-class
Other calendar classes:
JulianCalendar-class
,
TimeScale-class
Other gregorian era classes:
AD-class
,
BC-class
,
BCE-class
,
BP-class
,
CE-class
,
b2k-class