property MarkZones.Item (Key as Variant) as MarkZone
Returns a specific MarkZone of the MarkZones collection, giving its key.

TypeDescription
Key as Variant A String expression that specifies the key of the time-zone to be accessed.
MarkZone A MarkZone object associated with the specified key, or empty/nothing/NULL if no time-zone associated to the giving key.
The Item property gets a time-zone based on its key. The Count property indicates the number of MarkZone objects in the MarkZones collection. The Start property indicates the starting date/time of the time-zone. The End property indicates the starting date/time of the time-zone.  The for each statement is supported by the MarkZones collection, so the MarkZones collection can be enumerated using a sample like  for each mz in MarkZones