We just were here, tried to jump, it was 6.07 pm.,...

We just were here, tried to jump, it was 6.07 pm., but they told us if we wanna take an hour of jumping, we have to wait till 7 to be able to start or we will loose 10 min. So... What's the point!? What I can not jump from 6.07pm till 7.07pm!?!?