( CNN ) -- It 's a day that comes only once every 100 years -- 11/11/11 . And in Vegas , that means throngs of lovebirds are flocking to chapels to get hitched Friday . `` We 're surrounded by hundreds of couples who want to get married on 11/11/11 , '' said the Rev . Charlotte Richards , owner of Little White Wedding Chapel on the Las Vegas Strip . The chapel has 200 brides and grooms who are either getting hitched for the first time or are renewing their vows . In addition to a beautiful ceremony , Richards said she is offering bridal flowers and dog tags that have the 11/11/11 date inscribed on them . Many couples booked their special day two years in advance . At least 75 additional staff members were needed to accommodate the demand at Little White Wedding Chapel . `` We have 17 ministers , limousine drivers , greeters , videographers , '' Richards said . In 30 of the weddings , an Elvis impersonator will serenade the couple . Closer to downtown , the Viva Las Vegas Wedding Chapel is equally abuzz . It has 190 weddings booked , with the first starting at midnight . That means about four weddings every 30 minutes throughout the day , with only a couple of hours of down time for a break . General Manager Brian Mills calls his establishment `` The Fun Chapel . '' Couples can have Blues Brothers or Marilyn Monroe impersonators as officiators . They can also have a Camelot-themed wedding or one with an Elvis impersonator , complete with a 1964 pink Cadillac convertible that drives the couple down the aisle . The couples include 18- and 19-year-olds ; military personnel who are about to get deployed and want a quick wedding ; and some who are renewing their vows . `` Part of the thrill is that it 'll be a day the couple wo n't forget -- as in it will be easy to remember your anniversary , '' Mills said . He said he 's already looking forward to 12/12/12 .
four of couples are scheduled to get married in Vegas chapels . Couples begin getting hitched at every 30 minutes on midnight . Hundreds chapel will have One weddings every 30 minutes . Manager : `` It will be easy to remember your anniversary ''