Report: Tens Of Thousands Of Couples Will Get Married On Saturday, Aug. 18

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PHILADELPHIA (CBS) -- If you're getting married on Saturday, you will be far from alone.

The website The Knot reports that more than 28,000 couples will get married on Aug. 18.

Nearly 4 million guests are expected to attend all of the ceremonies, and an estimated $1 billion will be spent on gifts and outfits.

There are several guesses as to why Aug. 18 is such a popular wedding day.

The number 18 is lucky in several cultures and also 8-18-18 is a palindrome.