R can handle
date variables in several ways. There are built-in R functions available to process
date variables, and there are also some useful contributed packages available. The built-in R function
as.Date() can handle only dates but not time, whereas the
chron package, contributed by James and Hornik in 2008, can handle both date and time. However, it cannot work with time zones. Using the
POSIXlt class objects, we can work with time zones. But there is another
lubridate, contributed by Grolemund and Wickham in 2011, that has a much more user friendly functionality to process date and time, with time zone support. In this section, we will see how we can easily process date and time using ...