Continuity mistake: When they are throwing the molotov cocktails out the window to let them get to the car, they throw one in front of both sides of the vehicle. However when the 3rd and 4th cocktails land, the first two which were just burning are now gone and there's no burn marks on the ground.
Continuity mistake: When they are driving the pickup truck to the pumps, the sky is pitch black. However when they get on the dirt path - for one scene the sky is lighter as if it was dusk in the early eve, only to go back to pitch black when they reach the pump.
Continuity mistake: When Ben is squatting in front of the TV and they are watching the broadcast, he has a gun laying in his lap with his hand not holding it. In the next shot, he's now instantly holding the gun and it's no longer laying in his lap.
Answer: No. Each is a progression of several weeks or years.
Captain Defenestrator