"Beautiful Day" is a song by the Irish rock band U2, released in 2000 as part of their album All That You Can't Leave Behind. The song features an uplifting melody and lyrics that convey a sense of hope and optimism, encouraging listeners to appreciate the beauty in life despite challenges. The track was well-received, becoming one of U2's most popular songs. It topped charts in several countries and has been used in various media, including films and commercials. The song's positive message and catchy sound have made it a staple in the band's live performances.