The exact format for parsing JSON date-time values while loading JSON. The default is None.
Strings encoded using Microsoft® JSON date-time format (for example, "/Date(1224043200000)/") are always recognized as date-time values regardless of the value of this property. The property defines additional formats to be used while parsing date-time values from strings in the following way:
When JsonDataLoadOptions.exact_date_time_parse_format is None, the ISO-8601 format and all date-time formats supported for the current, English USA, and English New Zealand cultures are used additionally in the mentioned order.