Format a date into an ISO 8601 timestamp or date string, in the UTC time zone.
The output of this format omits the optional date and time delimiters of -
and :, as well as any fractional seconds. The output format is like
yyyyMMdd'T'hhmmss'Z'.
Parameters
date: Date
the date to format
OptionalincludeTime: boolean
true to format as a timestamp, false as just a date
Format a date into an ISO 8601 timestamp or date string, in the UTC time zone.
The output of this format omits the optional date and time delimiters of
-and:, as well as any fractional seconds. The output format is likeyyyyMMdd'T'hhmmss'Z'.