Originally Posted by
CPRich
Iirc, it's around 2a on Saturday between 50 weeks (Friday res) and 50 weeks, 6 days (Saturday res) in advance. But it's been several years since I tracked it down to that level of detail, so it may have changed.
Try it at 51, and if it doesn't show up try it at 50.
I can name several hotels that don't follow this. One in particular is not open for MR or ANY bookings still for the end of this year--and thats WAY under 50 weeks.