Here are the opening times for tourist visit the temple and the  elevator.

From 11:00 to 18:00 -> November, December, January and February.
From 11:00 to 19:00 –> March, April, May and October.
From 11:00 to 20:00 -> June, July, August and September.

The crypt is open every day of the year from 9:00 to 20:15.