What if Gotham needs their saviour in the daytime? (Batman - 1989)

Just watching an old re-run of the first Michael Keaton starred Batman (1989).

At the end, Commissioner Gordan said that he has given them a sign if the city needs Batman again, and he lights up the Bat-Signal.

What if Criminals over-run Gotham city during the day ... are they then screwed, as they can't signal Batman?!

 

No, there's enough fog/smog/chemicals in the air that the batsignal is visible day or night.

 

Bruce Wayne must then heavily invest in the Airline industry, so they can create the chemtrails, etc. so he can have the Bat-Signal work during the day.

It Batman pro-pollution?

 

Why do you think Joker Gas is green? It's so Joker can tell the difference between his chemicals and the generally poor gotham air quality.

And maybe there's a little transmitter attached to the power switch so that everyone thinks it's the light, but it's actually a pager?

 

Good shout,

I mean, what if Batman was taking a dump, he might fancy reading the paper while he's cutting Bungle's fingers off and can't see out the window for the half hour or however long he's on the bog.

 

Um, Kilmer specifically said that the Batsignal was not a beeper, in Batman Forever.

 

I love how this thread specifies "(Batman - 1989)" as if the bat-signal hasn't been an element of pretty much every version of the character, EVER.