The general rule of thumb is about three years if you practice every day. Training 2 times a week in a class with an instructor is a good start, but you have to practice!
A general First Aid class from the American Heart Association is about 3 - 4 hours.
The duration of The Black Pirate is 1.57 hours.
The name After Hours is the title for an American black comedy film directed by Martin Scorsese. It also is the name of a song by the minimalist art band the Velvet Underground.
The duration of Lady Black Rose is 1.2 hours.
The Battle of Manila Bay lasted about six hours.
The duration of Black is... Black Ain't is 1.45 hours.
The duration of American Me is 2.1 hours.
The duration of American Idiot is 2 hours.
Call of Duty: Black Ops 2 with over $500 Million dollars in the 24 hours.
The duration of Black Dragons is 1.07 hours.
The duration of Black Zoo is 1.47 hours.
The duration of The Black Six is 1.57 hours.