Jaime starts to straighten the twisted gate-latch while the gate is still open, but in the next, close-up shot of the latch being bent straight, the gate is closed.
When the Reverend Mother greets the arriving Bishop Perriet and exchanges glances with Jaime in the distance, the long shot shows they are on a dirt road. However, the background of the close-up shot of the Reverend Mother is from when the Reverend Mother witnesses Jaime unblocking the front gate.
Oscar pours the stolen diamonds into Jaime's lap, and they scatter slightly to the sides of the fold in her nun's robe. But in the next, close-up shot of the robe and the diamonds, they are all sitting in the fold, with none scattered to either side.
Towards the climax, the nuns arrive at the exterior gate with a hacksaw at 4:00 am, but it's obvious that it's mid-day.