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Gets or sets the string value determining time format used to display time ruler in a Day, Week and Work Week views. The default value is an empty string. In such case C1Scheduler takes default time format from the current culture. This is a dependency property.
public string TimeFormat { get; set; }
Don't use general formats as "T" for this property. Use detailed format string such as "h:mm tt" or "HH:mm".