calendar_get: Calendar Parameters

In aion: Archaeological Time Series

Calendar Parameters

Description

Calendar Parameters

Usage

calendar_label(object)

calendar_name(object)

calendar_unit(object)

calendar_epoch(object)

calendar_fixed(object)

calendar_direction(object)

calendar_year(object)

## S4 method for signature 'TimeScale'
calendar_label(object)

## S4 method for signature 'TimeScale'
calendar_name(object)

## S4 method for signature 'TimeScale'
calendar_unit(object)

## S4 method for signature 'TimeScale'
calendar_epoch(object)

## S4 method for signature 'TimeScale'
calendar_fixed(object)

## S4 method for signature 'TimeScale'
calendar_direction(object)

## S4 method for signature 'NULL'
calendar_direction(object)

## S4 method for signature 'TimeScale'
calendar_year(object)

Arguments

object

A TimeScale object.

Value

• calendar_label() returns a character string giving the abbreviated label of the time scale.

• calendar_name() returns a character string giving the name of the time scale.

• calendar_unit() returns a character string giving the unit of the calendar.

• calendar_fixed() returns a length-one numeric vector giving the reference date of the calendar (in rata die).

• calendar_epoch() returns a length-one numeric vector giving the epoch year from which years are counted (starting date of the calendar, in years).

• calendar_direction() returns a length-one integer vector specifying if years are counted backwards (-1) or forwards (1) from epoch. Only the sign of calendar_direction() is relevant.

• calendar_year() returns a length-one numeric vector giving the average length of the year in solar days.

Author(s)

N. Frerebeau

See Also

Other calendar tools: calendar(), convert(), get_calendar(), gregorian, is_calendar(), julian()

Examples

## Define time scales
calendar("BP")
calendar("AD")
calendar("julian")

## Shortcuts
BP()
AD()
J()

aion documentation built on Nov. 5, 2025, 6:03 p.m.