R: Examples for 'lubridate::timespan'

### ** Examples

duration(3690, "seconds")

[1] "3690s (~1.02 hours)"

period(3690, "seconds")

[1] "3690S"

period(second = 30, minute = 1, hour = 1)

[1] "1H 1M 30S"

interval(ymd_hms("2009-08-09 13:01:30"), ymd_hms("2009-08-09 12:00:00"))

[1] 2009-08-09 13:01:30 UTC--2009-08-09 12:00:00 UTC

date <- ymd_hms("2009-03-08 01:59:59") # DST boundary
date + days(1)

[1] "2009-03-09 01:59:59 UTC"

date + ddays(1)

[1] "2009-03-09 01:59:59 UTC"

date2 <- ymd_hms("2000-02-29 12:00:00")
date2 + years(1)

[1] NA

# self corrects to next real day

date3 <- ymd_hms("2009-01-31 01:00:00")
date3 + c(0:11) * months(1)

 [1] "2009-01-31 01:00:00 UTC" NA                       
 [3] "2009-03-31 01:00:00 UTC" NA                       
 [5] "2009-05-31 01:00:00 UTC" NA                       
 [7] "2009-07-31 01:00:00 UTC" "2009-08-31 01:00:00 UTC"
 [9] NA                        "2009-10-31 01:00:00 UTC"
[11] NA                        "2009-12-31 01:00:00 UTC"

span <- date2 %--% date  #creates interval

date <- ymd_hms("2009-01-01 00:00:00")
date + years(1)

[1] "2010-01-01 UTC"

date - days(3) + hours(6)

[1] "2008-12-29 06:00:00 UTC"

date + 3 * seconds(10)

[1] "2009-01-01 00:00:30 UTC"

months(6) + days(1)

[1] "6m 1d 0H 0M 0S"

Examples for 'lubridate::timespan'

Description of time span classes in lubridate