Persian dates — persian

The modern Persian calendar was adopted in 1925 in Iran and in 1957 in Afghanistan. An alternative version of the calendar, using only arithmetic (rather than astronomical) calculations is available as the apersian calendar.

Usage

persian_date(year = integer(), month = integer(), day = integer())

apersian_date(year = integer(), month = integer(), day = integer())

as_persian(date)

as_apersian(date)

Arguments

year: Numeric vector of years
month: Numeric vector of months
day: Numeric vector of days
date: Vector of dates on some calendar

Value

A persian vector object

Examples

gregorian_date(2025,5,1:20) |>
  as_persian()
#> <persian[20]>
#>  [1] 1404-Ordi-11 1404-Ordi-12 1404-Ordi-13 1404-Ordi-14 1404-Ordi-15
#>  [6] 1404-Ordi-16 1404-Ordi-17 1404-Ordi-18 1404-Ordi-19 1404-Ordi-20
#> [11] 1404-Ordi-21 1404-Ordi-22 1404-Ordi-23 1404-Ordi-24 1404-Ordi-25
#> [16] 1404-Ordi-26 1404-Ordi-27 1404-Ordi-28 1404-Ordi-29 1404-Ordi-30