The big day is coming up. But do you know exactly how many days, minutes and seconds to go? Some of you probably do, but if you don't enter your wedding date below. We'll do the math.

By the way, if you feel the need to ponder other upcoming dates, here are some to keep your mind off the wedding.

Apr 29, 2007
In his 1990 book The New Millennium, Pat Robertson suggests this date as the day of Earth's destruction.

Dec 23, 2012
The world to end, according to the ancient Mayan calendar.

Sep 28, 2020
George Madray predicts a Yom Kippur Parousia in 2020.

Nov 13, 2026
According to an article published in Science magazine in 1960, this was the date that the world's population would reach infinity.

Year 4,500,000,000
The sun will swell into a red giant star, swallowing Mercury, Venus, Earth, and perhaps Mars.