Hi, all Here is what I tried to do.
> strptime('20110101 0900',"%Y%m%d %H%M") [1] "2011-01-01 09:00:00" > strptime('20110101 900',"%Y%m%d %H%M") [1] NA If I have a 3-digit hour like '900', please show me how to convert it to 09:00:00. Thank you in advance. Wonjae -- View this message in context: http://r.789695.n4.nabble.com/How-to-convert-3-digits-hours-tp3685436p3685436.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.