“I’m directing a cowboy film called The Sun. It’s set in the west”

A joke about the sun is:
   
“I’m directing a cowboy film called The Sun. It’s set in the west.”
   
The joke was posted on Twitter by alankemp (and others) on September 14, 2014, and probably originated on the Sickipedia website.
   
   
Twitter
alankemp
@alkemp57
I’m directing a cowboy film called The Sun
It’s set in the west
5:05 AM · Sep 14, 2014·Twitter for iPhone
 
Twitter
Pete Berrecloth
@DemonPete
Morning all, I’m going to be directing a cowboy film called The Sun.
It’s set in the west.
5:51 AM · Sep 14, 2014·Facebook
       
Twitter
chris
@chriscr10571
I’m directing a cowboy film called The Sun….It’s set in the west
6:58 AM · Sep 14, 2014·Twitter for iPhone
   
Twitter
Yuri Winston
@Snikoggs
I’m directing a cowboy film called The Sun.
It’s set in the west.
10:12 AM · Sep 14, 2014·Twitter Web Client
 
Twitter
Bob Kostic
@causticbob
I’m directing a cowboy film called The Sun.
It’s set in the west.
3:22 PM · Sep 14, 2014·Twitter Web Client
   
Google Books
Cowboy Wisdom:
Over 200 Quotes about the Old West
By Gerd De Ley
Long Island City, NY: Hatherleigh Press
2018
Pg. ?:
I’m directing a cowboy film called The Sun. It’s set in the west.
 
Twitter
Bob Kostic
@causticbob
I’m directing a cowboy film called The Sun.
It’s set in the west.
7:43 PM · Sep 14, 2020·Twitter Web App