“the Trinity is like this, think of time it has three parts a past, a present and a future and still it is one time.”
The problem with comparing God with something like time is, time isn’t tangible like God. Like gallons, inches or lbs, time is merely a system of measurement; thus your scenario is invalid.
“remember also that God is hard to understand some times but you understand in His time”
As I’ve said before, the trinity didn’t come from God; it isn’t even in the bible. It is merely something men made up to describe God. If they can understand what they made up, so should we