This is a POSIXct/POSIXlt method for the
Converting from one of R's native date-time classes (POSIXct or POSIXlt)
will retain the time zone of that object. There is no
# S3 method for POSIXt as_zoned_time(x, ...)
These dots are for future extensions and must be empty.
#> <zoned_time<second><America/New_York>> #>  "2019-01-01 00:00:00-05:00"