r - Can somebody explain me this datetime result -


i puzzled result:

a = "2008-03-03 12:30:38"  #i convert posixct , set timezone dt = as.posixct(a, format="%y-%m-%d %h:%m:%s", tz='europe/paris')  dt [1] "2008-03-03 12:30:38 cet"  unclass(dt) [1] 1204543838 attr(,"tzone") [1] "europe/paris"  #i want come posixct     as.posixct(unclass(dt), origin='1970-01-01', tz='europe/paris') [1] "2008-03-03 11:30:38 cet"

i have expected date-time a, wrong here ?

as says in ?as.posixct, origin in tz="gmt".

you can use .posixct instead:

.posixct(unclass(dt), tz='europe/paris') # [1] "2008-03-03 12:30:38 cet"

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