The following times are valid through November 30, 2012.
| Friday | Saturday | Other times |
| 9:00pm | 9:00pm† | by request |
† Note that we also offer regular overnight investigations. These in-depth investigations take place on the last Saturday of the month, from 11:00pm (Saturday) to 3:00am (Sunday), & prevent us from conducting 11:00pm tours on the days they are run.
Upcoming overnight investigations will be held: November 24, December 29.
See below for a forecast of availability for future tours. (Note that the listing below may not reflect up-to-the-minute availability.)