[Suzerain of Sheol]

I'm not sure I follow. How do you mean "grabbed the sun"?

And I still think it's a problem, just for the fact that Haldir would have had to travel to Rivendell, take command of Elrond's army, and march them all the way to Helm's Deep. All in the span of time it took for the Fellowship to get from Lorien to Edoras to Helm's Deep.

I unfortunately have my book lent out, but if you have a copy, look at the map. That's a really long way.

Regardless, the whole issue could have been done away if he simply said "I bring word from Lady Galadriel of Lothlorien" which is, you know, where he's from.

And that would be two mountain-ranges to cross, by the way. Or, rather, Haldir would have to cross the Misty Mountains twice. They had no horses, so they clearly didn't ride around (which would have taken even longer), and not to mention, if they came south over the Misty Mountains, they would have run right into Isengard and passed Saruman's army on the way to Helm's Deep, which isn't at all indicated in the movie.