Tonight, millions will celebrate New Year's Eve, but December 31st isn't particularly significant cosmologically. It's not a solstice or harvest marker; it's just the day our particular calendar designates as the year's end. January 1st used to be March 1st. Different cultures celebrate New Year's on various dates. Yet despite this arbitrariness, we've created elaborate rituals: Times Square's ball drop (starting 1907), singing "Auld Lang Syne" (a Scottish folk song by Robert Burns), making resolutions we'll break by February, and watching fireworks pierce the darkness. In this episode, we explore how December 31st became New Year's Eve, tracing calendar reforms from Julius Caesar through Pope Gregory XIII. We discover why Guy Lombardo made a Scottish song the New Year's anthem, examine why we keep making resolutions despite 80% failure rates, and explore diverse traditions from Spain's twelve grapes to Denmark's plate-smashing. Most importantly, we examine what New Year's Eve reveals about human nature: our need for rituals to mark time, our creation of meaning through shared practices, and our psychological requirement for fresh starts and renewal. In our modern world, time zones create a rolling 24-hour global celebration, and social media lets us participate in simultaneous celebrations across multiple cities, making this ancient impulse for new beginnings truly worldwide. Through George Santayana's wisdom about looking backward and forward at the same time, we discover that fresh starts don't erase history; they build on it, celebrating how humans create meaning in an indifferent universe.