Dates/times in HTTP headers needs a specific format to be valid, and is furthermore always given in GMT time. These two functions aids in converting back and forth between the required format.
to_http_date(time, format =NULL)from_http_date(time)
Arguments
time: A string or an object coercible to POSIXct
format: In case time is not a POSIXct object a specification how the string should be interpreted.
Returns
to_http_date() returns a properly formatted string, while from_http_date() returns a POSIXct object
Examples
time <- to_http_date(Sys.time())time
from_http_date(time)