day_of_month: Get First / Last Day of a Month

In dint: A Toolkit for Year-Quarter, Year-Month and Year-Isoweek Dates

Get First / Last Day of a Month

Description

Get First / Last Day of a Month

Get First or Last Day of Month From Year and Month

Usage

first_of_month(x)

## Default S3 method:
first_of_month(x)

last_of_month(x)

## Default S3 method:
last_of_month(x)

first_of_ym(x, m = NULL)

last_of_ym(x, m = NULL)

Arguments

x	Anything that can be coerced to a date with base::as.Date()
m	Two integer (vectors). m is optional and the interpretation of x will depend on whether m is supplied or not: if only x is supplied, x will be passed to as_date_ym() (e.g. x = 201604 means April 2016) if x and m are supplied, x is interpreted as year and m as month.

Value

a Date

See Also

first_of_month()

Examples

first_of_month("2016-06-04")
last_of_month("2016-06-04")


first_of_ym(2016, 1)
first_of_ym(201601)

dint documentation built on April 3, 2025, 6:06 p.m.