Does RZIM have an official view on the end times or on eschatology?
Mr. Zacharias has not spoken on matters relating to the end times, nor does RZIM endorse any official view on matters of eschatology. If you would like to get a better idea of what the different views on the end times are (and how proponents defend each view), the following books may be helpful with regards to understanding the various perspectives on eschatology:
Three Views on the Millennium and Beyond edited by Darrell Bock
Three Views on the Rapture edited by Alan Hultberg