search for: asposixct

Displaying 1 result from an estimated 1 matches for "asposixct".

2005 Oct 17
1
as.POSIXct before and after 1970
Can someone, please, explain the difference in as.POSIXct results before 1970 and on and after 1970 as illustrated below. After 1970, the use of 'EST' or "EST+5EDT' as the timezone does not affect the result of asPOSIXct, but before 1970 on 10/28 the results are different. > as.POSIXct('1970-10-29', tz='EST')+1 [1] "1970-10-29 00:00:01 EST" > as.POSIXct('1970-10-29', tz='EST+5EDT')+1 [1] "1970-10-29 00:00:01 EST" > as.POSIXct('1969-10-29', tz=...