Dates and Times
These are the available functions for dates and times. See each function's help topic in the TERR Language Reference for more information.
| Function name | Title description |
|---|---|
-.Date
|
Ops Group Method for Date/Time Objects |
-.POSIXt
|
Ops Group Method for Date/Time Objects |
.difftime
|
Time Intervals |
.leap.seconds
|
Date-Time Classes |
.POSIXct
|
Date-Time Classes |
.POSIXlt
|
Date-Time Classes |
[.Date
|
Date Class |
[.difftime
|
Time Intervals |
[.POSIXct
|
Date-Time Classes |
[.POSIXlt
|
Date-Time Classes |
[[.Date
|
Date Class |
[[.POSIXct
|
Date-Time Classes |
[<-.Date
|
Date Class |
[<-.POSIXct
|
Date-Time Classes |
[<-.POSIXlt
|
Date-Time Classes |
*.difftime
|
Ops Group Method for Date/Time Objects |
/.difftime
|
Ops Group Method for Date/Time Objects |
+.Date
|
Ops Group Method for Date/Time Objects |
+.POSIXt
|
Ops Group Method for Date/Time Objects |
as.character.Date
|
Date-Time Formatting |
as.character.POSIXt
|
Date-Time Formatting |
as.Date
|
Date-Time Parsing |
as.Date.character
|
Date-Time Parsing |
as.Date.date
|
Date-Time Parsing |
as.Date.dates
|
Date-Time Parsing |
as.Date.default
|
Date-Time Parsing |
as.Date.factor
|
Date-Time Parsing |
as.Date.numeric
|
Date-Time Parsing |
as.Date.POSIXct
|
Date-Time Parsing |
as.Date.POSIXlt
|
Date-Time Parsing |
as.difftime
|
Date-Time Parsing |
as.POSIXct
|
Date-Time Parsing |
as.POSIXct.date
|
Date-Time Parsing |
as.POSIXct.Date
|
Date-Time Parsing |
as.POSIXct.dates
|
Date-Time Parsing |
as.POSIXct.default
|
Date-Time Parsing |
as.POSIXct.numeric
|
Date-Time Parsing |
as.POSIXct.POSIXlt
|
Date-Time Parsing |
as.POSIXlt
|
Date-Time Parsing |
as.POSIXlt.character
|
Date-Time Parsing |
as.POSIXlt.date
|
Date-Time Parsing |
as.POSIXlt.Date
|
Date-Time Parsing |
as.POSIXlt.dates
|
Date-Time Parsing |
as.POSIXlt.default
|
Date-Time Parsing |
as.POSIXlt.factor
|
Date-Time Parsing |
as.POSIXlt.numeric
|
Date-Time Parsing |
as.POSIXlt.POSIXct
|
Date-Time Parsing |
c.difftime
|
Time Intervals |
check_tzones
|
Get the Current Date, Time, or Time Zone |
cut.Date
|
Create Factor by Cutting Date or POSIXt Object |
cut.POSIXt
|
Create Factor by Cutting Date or POSIXt Object |
date
|
Get the Current Date, Time, or Time Zone |
Date
|
Date Class |
difftime
|
Time Intervals |
format.Date
|
Date-Time Formatting |
format.difftime
|
Date-Time Formatting |
format.POSIXct
|
Date-Time Formatting |
format.POSIXlt
|
Date-Time Formatting |
ISOdate
|
Construct Date-time from Broken-down Time |
ISOdatetime
|
Construct Date-time from Broken-down Time |
julian
|
Extract Parts of a Date or POSIXt Object |
julian.Date
|
Extract Parts of a Date or POSIXt Object |
julian.POSIXt
|
Extract Parts of a Date or POSIXt Object |
Math.Date
|
Math Group Method for Date/Time Objects |
Math.difftime
|
Math Group Method for Date/Time Objects |
Math.POSIXt
|
Math Group Method for Date/Time Objects |
months
|
Extract Parts of a Date or POSIXt Object |
months.Date
|
Extract Parts of a Date or POSIXt Object |
months.POSIXt
|
Extract Parts of a Date or POSIXt Object |
OlsonNames
|
Time Zones |
Ops.Date
|
Ops Group Method for Date/Time Objects |
Ops.difftime
|
Ops Group Method for Date/Time Objects |
Ops.POSIXt
|
Ops Group Method for Date/Time Objects |
POSIXct
|
Date-Time Classes |
POSIXlt
|
Date-Time Classes |
POSIXt
|
Date-Time Classes |
print.Date
|
Date Class |
print.difftime
|
Time Intervals |
print.POSIXct
|
Date-Time Classes |
print.POSIXlt
|
Date-Time Classes |
quarters
|
Extract Parts of a Date or POSIXt Object |
quarters.Date
|
Extract Parts of a Date or POSIXt Object |
quarters.POSIXt
|
Extract Parts of a Date or POSIXt Object |
round.Date
|
Math Group Method for Date/Time Objects |
round.POSIXt
|
Math Group Method for Date/Time Objects |
seq.Date
|
Sequences of Date-Times |
seq.POSIXt
|
Sequences of Date-Times |
strftime
|
Date-Time Formatting |
strptime
|
Date-Time Parsing |
Summary.Date
|
Summary Group Method for Date/Time Objects |
Summary.difftime
|
Summary Group Method for Date/Time Objects |
Summary.POSIXct
|
Summary Group Method for Date/Time Objects |
Summary.POSIXlt
|
Summary Group Method for Date/Time Objects |
Sys.Date
|
Get the Current Date, Time, or Time Zone |
Sys.time
|
Get the Current Date, Time, or Time Zone |
Sys.timezone
|
Get the Current Date, Time, or Time Zone |
trunc.Date
|
Math Group Method for Date/Time Objects |
trunc.POSIXt
|
Math Group Method for Date/Time Objects |
units
|
Units for Time Intervals |
units.difftime
|
Units for Time Intervals |
units<-
|
Units for Time Intervals |
units<-.difftime
|
Units for Time Intervals |
weekdays
|
Extract Parts of a Date or POSIXt Object |
weekdays.Date
|
Extract Parts of a Date or POSIXt Object |
weekdays.POSIXt
|
Extract Parts of a Date or POSIXt Object |