How much time will it take to grow hair to this lenght (see videos (url) in details)?

Hello everybody, Im a male, black straight hair, I got a haircut about a month ago and my hair now is at the 2 inch level if Ipull it and measure it. I'm going to Cuba on december and I wanted to grow my hair to this lenght? is it possible like in 4 months to grow hair to this lenght? http://youtube.com/watch?v=PyQ8wp1qYS8 also how long will it take for this lenght, about 8 months right? http://youtube.com/watch?v=1lYc33_hRTE pause the video at 58 59 and 1 minute mark, thank you all for your answers have a good one

How much time will it take to grow hair to this lenght (see videos (url) in details)?

Ugh. All those hoops to jump through.

Hair grows 0.5" a month.

Do the math

Have fun in Cuba no matter how long your hair is :)