The legacy wiki pages are here for reference purposes only.
For up-to-date information make sure to check the documentation section.

The method takes the following parameters:

DateGreaterThan(string firstDate, string secondDate)

This method returns a bool (true/false) value

DateGreaterThan("2013-01-01T00:00:00", "2013-01-02T00:00:00") = false
DateGreaterThan("2013-01-02T00:00:00", "2013-01-01T00:00:00") = true is the community mothership for Umbraco, the open source cms. With a friendly forum for all your questions, a comprehensive documentation and a ton of packages from the community. This site is running Umbraco version 7.3.1