Every December 31, National Champagne Day merges with New Year’s Eve as people raise a glass to celebrate friendships, farewell the past year, and embrace the future. Whether gathering at home or in bustling city centers, Americans delight in the holiday’s festive atmosphere.

Times Square will briefly trade traffic for show tunes when Broadway Week stages a no-cost concert on Sunday, Sept. 7. For 90 minutes, performers from 23 current Broadway productions will turn the crossroads of the world into an open-air theater.