This class represents a calendar based on the International Atomic Time. Validity is from 1958 onwards, with dates represented using the Gregorian calendar. Given that this "calendar" is based on a universal clock, the concepts of leap second, time zone and daylight savings time do not apply.
CFtime::CFCalendar -> CFtime::CFCalendarProleptic -> CFCalendarTAI
Inherited methods
CFtime::CFCalendar$add_day()CFtime::CFCalendar$is_compatible()CFtime::CFCalendar$is_equivalent()CFtime::CFCalendar$offsets2time()CFtime::CFCalendar$parse()CFtime::CFCalendar$print()CFtime::CFCalendarProleptic$POSIX_compatible()CFtime::CFCalendarProleptic$date2offset()CFtime::CFCalendarProleptic$initialize()CFtime::CFCalendarProleptic$leap_year()CFtime::CFCalendarProleptic$month_days()CFtime::CFCalendarProleptic$offset2date()
valid_days()Indicate which of the supplied dates are valid.
CFCalendarTAI$valid_days(ymd)ymddata.frame with dates parsed into their parts in columns
year, month and day. If present, the tz column is checked for
illegal time zone offsets. Any other columns are disregarded.
Logical vector with the same length as argument ymd has rows
with TRUE for valid days and FALSE for invalid days, or NA where
the row in argument ymd has NA values.
clone()The objects of this class are cloneable with this method.
CFCalendarTAI$clone(deep = FALSE)deepWhether to make a deep clone.