The starting bound of the time span. If null the span is unbounded in the past. The value may be formatted as any of the following XML types: dateTime, date, gYearMonth, gYear. See https://www.w3.org/TR/xmlschema-2/#isoformats for details.
The ending bound of the time span. If null the span is unbounded in the future. The value may be formatted as any of the following XML types: dateTime, date, gYearMonth, gYear. See https://www.w3.org/TR/xmlschema-2/#isoformats for details.
A period of time bounded by a beginning and/or end time.
Since
2021.0