We need billboards that say, "May 21st - Just another normal day. Want to go see a movie? Maybe play a board game or something?" 
You know, I've been thinking about how atheists will react; we must remember that these people will use any reason they can to mock Christianity, even if it can be easily and logically proven that Camping is a liar and a fraud. It's impossible to give a defense to a person who has no interest in hearing one. Of course, as always, atheists, like everyone else, just need the Gospel (although it wouldn't hurt to point out Matthew 24:36 with regards to Camping).
Now faith is the substance of things hoped for, the evidence of things not seen. Hebrews 11:1
In the event of darkness, depression, sadness, or loneliness, your Bible can be used as a flotation device.