You don't 'finish' karate. It is a lifetime pursuit. There is always more to learn and experience. My teacher is 80 and continues to learn.
Almost it takes is 3-4 years but it also depends on what you are going to study in..
alot of people take a long time because they take a class per time but it is easier to take at least 2-3 classes a day so you could finish fast.
a time or date when you must finish a job
7.30am and finish 3pm
To finish simultaneously or concurrently. To finish in unison.
4pm
9:20 will be the finish time.
Midnight (12am)
If you are asking at what time lessons or lectures finish, it's difficult to answer as it can vary enormously.
Japanese schools usually finish at or around 3:30.
At 2p.m
9.30
12 o'clock
Sure. The time for every creature of God (Allah in Arabic), including the universe, will finish at a point that only God knows.