Construct Date-time from Broken-down Time

ISOdatetime

Description

Construct date-time from broken-down time (that is, calendar time separated into year, month, day, hour, minute, and second, with a choice of the time zone).

Usage

ISOdatetime(year, month, day, hour, min, sec, tz = "")
ISOdate(year, month, day, hour = 12, min = 0, sec = 0, tz = "GMT")

Arguments

year, month, day	numerical values or character strings specifying a date.
hour, min, sec	numerical values or character strings specifying the time within a day.
tz	a character string specifying a time zone. For ISOdatetime, the default is the current system time zone. For ISOdate, the default is "GMT".

Value

returns a POSIXct object representing the date-time specified.

See Also

Date, POSIXt

Examples

ISOdatetime(2009, 12, 18, 6, 12, 12.3, tz = "America/New_York")
Sys.setenv(TZ = "")
ISOdatetime("2009", "12", "18", "6", "12", "12.3")
Sys.setenv(TZ = "America/New_York")
ISOdatetime("2009", "12", "18", "6", "12", "12.3")
Sys.setenv(TZ = "")
ISOdate(2009, 12, 18)

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