The time class that is used to set the start point and end point in the do-not-disturb time frame for the offline message push.
Optional
The start or end hour of the do-not-disturb time frame.
The time is based on a 24-hour clock. The value range is [0,23].
The start or end minute of the do-not-disturb time frame.
The value range is [0,59].
The time class that is used to set the start point and end point in the do-not-disturb time frame for the offline message push.