Provide a format for ISO8601 dates and times with the requested precision.
format_ISO8601_precision_check(precision, max_precision, usetz = FALSE)
The amount of precision to represent with
substrings of "ymdhms", as year, month, day, hour,
minute, and second. (e.g. "ymd" is days precision, "ymdhm" is minute precision.
When NULL
, full precision for the object
is shown.
The maximum precision allowed to be output.
Include the time zone in the formatting. If
usetz
is TRUE
, the time zone is included. If
usetz
is "Z"
, the time is converted to "UTC" and
the time zone is indicated with "Z" ISO8601 notation.