Nursing Timekeeper

I made this to help my wife with tracking her nursing times. We found it difficult to keep time math straight, especially while half-awake during the night. This tool lets you choose your window timeframe (for example 2 hrs) and set one of the hands that much ahead of the other. By doing so, all you have to do is turn the early hand to the time of the most recent feed, and then the later hand points to the time that the baby will need to feed next. So if we were woken up at 3am and want to feed