Interval class
Create a period with the specified number of hours and minutes
Names of available time zones
Is x a date-time object?
Converts a date to a decimal of its year.
Create a period with the specified number of minutes and seconds
Is a year a leap year?
Replace time zone to create new date-time
Format dates and times based on human-friendly templates.
1970-01-01 UTC
Get Daylight Savings Time indicator of a date-time.
Computes attractive axis breaks for date-time data
Converts a decimal to a date.
Does date time occur in the am or pm?
Add and subtract months to a date without exceeding the last day of the new month
Get/set minutes component of a date-time.
Duration class
Get/set days component of a date-time.
Create a period object.
Period class
Flip the direction of an interval
The current date
The current time
Description of time span classes in lubridate.
Ensures all intervals in an interval object are positive
Guess formats from the supplied date-time character vector.
Fit a POSIXlt date-time to the timeline
Create a duration object.
Test if two intervals share an endpoint
Is x a period object?
Is x a POSIXct or POSIXlt object?
Get/set hours component of a date-time.
Create a period object.
Changes the components of a date object
Change an object to an interval.
Dates and times made easy with lubridate
Rounding for date-times.
Create a difftime object.
Tests whether a date or interval falls within an interval
Change an object to a duration.
Get the number of days in the month of a date-time.
Get the length of an interval in seconds
Quickly create relative timespans.
Is x a length of time?
Timespan class
Is x an Interval object?
Test if two intervals overlap
Convert a variety of date-time classes to POSIXlt and POSIXct
Round date-times up.
Shift an interval along the timeline
Get/set weeks component of a date-time.
Parse dates that have hours, minutes, or seconds elements.
Convert a period to the number of seconds it appears to represent
Change an object to a period.
Convenience method to reclass dates post-modification.
Round date-times down.
Quickly create common epoch objects
Get/set time zone component of a date-time.
Get/set days component of a date-time.
The current time in your local timezone
Get/set seconds component of a date-time.
Create a duration object.
Get/set months component of a date-time.
Get the fiscal quarter of a date-time.
Lubridate format orders used in stamp
Makes a difftime object from a given number of seconds
Is x a duration object?
Get/set years component of a date-time.
Extract the intervals within a vector of date-times
Create a period with the specified hours, minutes, and seconds
Create an interval object.
Roll back date to last day of previous month
Create an epoch object
Quickly create exact time spans.
Lakers 2008-2009 basketball data set
Access and change the start date of an interval
Contrive a period from a given number of seconds
Convenience method to reclass timespans post-modification.
Add epochs to dates
Parse character and numeric date-time vectors with user friendly order
formats.
Parse dates according to the order in that year, month, and day elements
appear in the input vector.
Access and change the end date of an interval
Is x a difftime object?
Get date-time in a different time zone
Is x a Date object?