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Calendars

calendar()
Calendar
calendar_label() calendar_name() calendar_unit() calendar_epoch() calendar_fixed() calendar_direction()
Calendar Parameters
convert()
Calendar Converter
BP() b2k() BC() BCE() AD() CE()
Gregorian Calendar
is_gregorian() is_julian()
Is an Object a Calendar?
J()
Julian Calendar

Rata Die

Arith(<RataDie>,<RataDie>) Arith(<numeric>,<RataDie>) Arith(<RataDie>,<numeric>)
Arithmetic Operators
as_date()
Date Conversion from Rata Die
as_decimal()
Converts a Date to a Decimal of its Year
as_fixed()
Coerce to Rata Die
as_year()
Year Conversion from Rata Die
fixed()
Rata Die (Fixed Date)
fixed_from_BP() fixed_to_BP() fixed_from_BC() fixed_to_BC() fixed_from_BCE() fixed_to_BCE() fixed_from_AD() fixed_to_AD() fixed_from_CE() fixed_to_CE() fixed_from_b2k() fixed_to_b2k()
Rata Die Conversion to and from Gregorian Years
fixed_from_julian() fixed_to_julian()
Rata Die Conversion to and from Julian Years
format(<TimeScale>) format(<RataDie>)
Date Conversion to Character
pretty(<RataDie>)
Pretty Breakpoints

Time Series and Time Intervals

series()
Create Time Series
intervals()
Create Time Intervals

Tools

Plotting Tools

image(<TimeSeries>)
Heat Map
plot(<TimeIntervals>,<missing>) plot(<TimeSeries>,<missing>)
Plot Time Series and Time Intervals
year_axis()
Time Series Plotting Functions

Mutators

Classes

Datasets

dates
Sample Data from Reingold and Dershowitz (2018)