# new_period

0th

Percentile

##### Create a period object.

new_period creates a period object with the specified values. Within a Period object, time units do not have a fixed length (except for seconds) until they are added to a date-time. The length of each time unit will depend on the date-time to which it is added. For example, a year that begins on 2009-01-01 will be 365 days long. A year that begins on 2012-01-01 will be 366 days long. When math is performed with a period object, each unit is applied separately. How the length of a period is distributed among its units is non-trivial. For example, when leap seconds occur 1 minute is longer than 60 seconds.

Keywords
classes, chron
##### Usage
new_period(...)
##### Arguments
...
a list of time units to be included in the period and their amounts. Seconds, minutes, hours, days, weeks, months, and years are supported.
##### Details

Periods track the change in the "clock time" between two date-times. They are measured in common time related units: years, months, days, hours, minutes, and seconds. Each unit except for seconds must be expressed in integer values.

Period objects can be easily created with the helper functions years, months, weeks, days, minutes, seconds. These objects can be added to and subtracted to date-times to create a user interface similar to object oriented programming.

new_period is meant to be used interactively on the command line. See period, for a version that is better suited to automating within a function.

##### Value

• a period object

period, as.period

• new_period
##### Examples
new_period (second = 90, minute = 5)
# "5M 90S"
new_period(day = -1)
# "-1d 0H 0M 0S"
new_period(second = 3, minute = 1, hour = 2, day = 13, week = 1)
# "20d 2H 1M 3S"
new_period(hour = 1, minute = -60)
# "1H -60M 0S"
new_period(second = 0)
# "0S"
Documentation reproduced from package lubridate, version 1.3.0, License: GPL

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