About how long for this job?

I was wondering if someone could give me an estimation of how long a job like this would take. It's a Backsplash to be done with 4"x8" tiles. I included a picture of the area. Thanks

I was wondering if someone could give me an estimation of how long a job like this would take. It's a Backsplash to be done with 4"x8" tiles. I included a picture of the area. Thanks