An instant as wall-clock time in an IANA time zone, YYYY-MM-DDTHH:mm:ss, which is the form
Graph's dateTimeTimeZone wants. The first ten characters are the calendar day, which is what an
all-day event needs. Throws RangeError for a zone the runtime does not know.
An instant as wall-clock time in an IANA time zone,
YYYY-MM-DDTHH:mm:ss, which is the form Graph'sdateTimeTimeZonewants. The first ten characters are the calendar day, which is what an all-day event needs. ThrowsRangeErrorfor a zone the runtime does not know.