I'll rephrase the question... If you try... as.POSIXlt('2004-10-31 02:00:00') you get [1] "2004-10-31" What do I need to do to make it return [1] "2004-10-31 02:00:00" -- View this message in context: http://r.789695.n4.nabble.com/POSIXlt-and-daylight-savings-time-tp4642253p4642272.html Sent from the R help mailing list archive at Nabble.com.