property Chart.DateTickerLabel as String
Retrieves or sets a value that indicates the format to display the bar's start and end date while creating, moving or resizing it.

String A String expression that specifies the format of the label being displayed while the item is moved or resized. It supports HTML format, <%%> tags and <%=formula%> expressions as explained below
By default, the DateTickerLabel property is empty. The DateTickerLabel property shows the start and end date of the bar being created, moved or resized at runtime using the mouse. Use the <br> HTML tag to break the lines, in case you need to display the label using multiple lines. The label always ensure that can be displayed in the chart's area.

The following screen shot shows the ticker and it's label that displays the start and and time of the "moving" bar 

For instance:

The DateTickerLabel supports <%=formula%> expressions, where formula. The formula supports the following keywords:

Also, the formula supports predefined constants and operators/functions as described here.

The DateTickerLabel supports the following built-in tags:

The following tags are displayed based on the user's Regional and Language Options:

The DateTickerLabel property supports the following built-in HTML tags:

Your application can provide some options to help user while performing moving or resizing at runtime as follow:

*Added: The Chart.DateTickerLabel property property supports <%=formula%> expression to customize the label to be shown for start and/or end margins of the bar being created, moved or resized. The expression (after the = character) supports keywords such as "value" that defines the DATE being displayed (could be start or end), "start" that defines the start-margin of the bar as a DATE type and "end" that defines the end-margin of the bar as a DATE type. For instance,