You can use the following date options in your expressions:
When you insert a date-time property from the Get Values panel into your expression, that value uses a Date-Time operator. If you are an advanced user, you can also add one of these operators to an expression if you know its FDO syntax.
The Date-Time operators are parsed using the standard SQL literal strings:
Select a text property that represents a date value.
Convert a text string to a date string.
For information about formulating an expression, see Overview of Creating Expressions.
For help with any expression element, see Creating Expressions - Reference.