Functions to work with date-times and time-spans: fast and user friendly parsing of date-time data, extraction and updating of components of a date-time (years, months, days, hours, minutes, …

Jan 1, 1970 · lubridate-package: Dates and times made easy with lubridate Description Lubridate provides tools that make it easier to parse and manipulate dates. These tools are grouped …

ymd: Parse dates with year, month, and day components Description Transforms dates stored in character and numeric vectors to Date or POSIXct objects (see tz argument ...

Feb 1, 2000 · In lubridate, functions that round date-time objects try to preserve the class of the input object whenever possible. This is done by first rounding to an instant, and then …

Jun 1, 2012 · Details The ymd_hms() functions automatically assign the Universal Coordinated Time Zone (UTC) to the parsed date. This time zone can be changed with force_tz(). The most …

You can set lubridate.week.start option to control this parameter globally. locale locale to use for day names. Default to current locale. value (for wday<-) a numeric or a string giving the name …

make_datetime: Efficient creation of date-times from numeric representations Description make_datetime() is a very fast drop-in replacement for base::ISOdate() and …

Arguments start, end POSIXt, Date or a character vectors. When start is a character vector and end is NULL, ISO 8601 specification is assumed but with much more permissive lubridate …

tz: Get/set time zone component of a date-time Description Conveniently get and set the time zone of a date-time. tz<- is an alias for force_tz(), which preserves the local time, creating a …

Arguments time a POSIXct, POSIXlt, Date, chron date-time object, or a data.frame object. When a data.frame all POSIXt elements of a data.frame are processed with force_tz() and new …