At this time

It's 12:17am.

At this time, exactly a year ago, I was trying to get some sleep.
At this time, exactly a year ago, I was having my first significant contractions.
At this time, exactly a year ago, I had no idea that in less than 10 hours I would give birth in a tub in our living room.
At this time, exactly a year ago, I didn't know if I was having a boy or a girl.
At this time, exactly a year ago, I was in the process of becoming somebody's mother.