calendar-nDay function

n-th n-day dates

Computes the date for the n-th or last occurrence of an n-day in year/month.

timeNthNdayInMonth(charvec, nday = 1, nth = 1, format = "%Y-%m-%d",
    zone = "", FinCenter = "")

timeLastNdayInMonth(charvec, nday = 1, format = "%Y-%m-%d",
    zone = "", FinCenter = "")

Arguments

• charvec: a character vector of dates and times.

• nday: an integer vector with entries ranging from 0

  (Sunday) to 6 (Saturday).

• nth: an integer vector numbering the n-th occurence.

• format: the format specification of the input character vector.

• zone: the time zone or financial center where the data were recorded.

• FinCenter: a character with the location of the financial center named as "continent/city".

Details

timeNthNdayInMonth returns the nth occurrence of a n-day (nth = 1,...,5) in year, month.

timeLastNdayInMonth returns the last nday in year, month.

Returns

an object of class "timeDate"

Examples

## timeNthNdayInMonth
# What date is the second Monday in April 2004?
timeNthNdayInMonth("2004-04-01", 1, 2)

## timeLastNdayInMonth
# What date has the last Tuesday in May, 1996?
timeLastNdayInMonth("1996-05-01", 2)