In the event your baby's bris will be taking place on Tisha B'Av (timely, because that will be observed this coming Sunday), here are a few things to bear in mind.
1. The bris takes place after Kinot, because we can't mix "Simcha" (of the bris) with the sadness of the Kinot. As far as when exactly we do the bris there are three views
- After Shacharit, but before Chatzot (midday)
- After Chatzot
- After Mincha