Hi! 10.06.2015, 13:20, khatri wrote: > My date column is in following format : "%m/%d H:M:S" > There is not mention of year in the data.So how can I read this using > strptime function. > I have tried strptime(dates,"%m/%d H:M:S") but this is returning NA. > Thanks How about: strptime(dates,"%m/%d %H:%M:%S") Some data could also be helpful for testing... HTH, Kimmo