We parked at a recommended lot just outside of the main entrance to the old city and when we got out of the lot we saw a medium size church that was closed. On the sign though it said that it was open 2 hours a day (one in the morning and from 7-8 at night). Normally we would take much notice of this but this church, San Pedro, happens to be a unesco site included with the outside the wall churches of Avila. So we timed our visit to leave right around 7, but upon arriving I had my doubts that it would open as nobody looked to be there. But sure enough at 7 sharp a door opened and we were able to see a unesco church on the way to the parking lot to leave town.