And...
Guess what I found this morning!!!
I don't know how long they stayed open, as I wasn't home a big part of the day.
There were two of the orchids in bloom, with one bloom each. They were only about four feet apart but diagonally separated with a concrete pad between them. I don't know if the bloom timing was synchronized, or simply coincidental. I'll keep watching them!
All three photos above are of the same plant, as those taken from the other plant did not come out as clear. But here is a photo of the other one:
