Greg,
I was editing it when you replied so I could not save, but you can remove the TimeZone parameter and local variable, for I forgot it's purpose and I do not see it used.
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges