Yes, but I attacked on 26th, 27th, 28th, 29th, 30th, 31st, 1st AND today. Eight days. The previous four wars were declared on a Sunday night, and they expired on a Sunday night. This war didn't follow that pattern. So something is wrong, either with this battle or I was shorted attacks on the other four opponents.
Since the math works for the other four opponents, I'm assuming something is wrong here.