The male will present the female with potential nest sites and she will choose which one she prefers.
I believe there have been extremely rare instances of eggs showing up in 2 places but only 1 will be incubated. VERY unlikely that would happen here.
Beauty & Dot.ca are an experienced well bonded pair now. I would be willing to bet they will choose Times Square since they have been successful there.
I checked my spreadsheet this morning. Her typical 1st egg arrival is 3/24-3/27. Last year was unusual in that she waited until April 7. Hopefully that was due to the new building going up across the street. It looks like it's done-maybe a bit of finishing.