12.11.1. start
Default
If omitted the default value is left up to the server. It may be the current day, start of the current month, etc.
Description
Specifies the start date for the Freebusy data. The server is free to ignore this value and return data in any time range. The client must check the data for the returned time range.
Format
An XML UTC date-time
2011-12-01T10:15:00Z