POSIXct time objects

as.POSIXct(7200,origin="1970-01-01")

[1] "1970-01-01 03:00:00 CET"

t0 <- as.POSIXct(7200,origin="1970-01-01",tz="GMT")
t0 <- as.POSIXct(7200,origin="1970-01-01")
attr(t0,"tzone") <- "GMT"   

as.POSIXct(c("97/11/12 12:45","98/01/23 14:20"),
           format="%y/%m/%d %H:%M",tz="GMT")

[1] "1997-11-12 12:45:00 GMT" "1998-01-23 14:20:00 GMT"

• R file: POSIXct-time-objects.R
• Rmarkdown file: POSIXct-time-objects.Rmd
• Jupyter notebook file: POSIXct-time-objects.ipynb
• Interactive version of the Jupyter notebook (shuts down after 60s):
  
• Interactive version of the Jupyter notebook (sign in required):