i cant figure out this riddle?

[Mas]

i cant figure this out .......... a cowboy leaves town on his horse and leaves on friday than he stays in another town for 3 days and comes back on friday i cant figure it out

 

[blankicorse]

the horses name is friday...well thats a stupid name he should name it icecream or banana. =D

 

[jess_here2]

Friday is his horse!!

 

[CuteZ random girl XO]

his horses name is friday, Its on icarly!

 

[love]

the horse name is friday

 

[Ashley]

Horses' name is Friday

 

[soccaluvr]

His horse's name is Friday.
He leaves riding ON Friday, therefore he leaves on Friday.
He comes back riding ON Friday, therefore he arrives ON Friday.
That's why.

10 points PLEASE!