36 hours it is then. It will be adjusted at request, but perhaps we can start with 24 hours, and move to 36 if the need becomes evident? It can easily be changed in admin options, from what I am told...
With only 24 hours, by the time someone realizes they need an extension, they may not be able to get in touch with you in time to get one. The extra twelve hours just helps provide a safety net for that.