A New York Clock That Told Time Now Tells the Time Remaining

On Saturday September 19, 2020 at 3:20 pm on Union Square in Manhattan messages including "The Earth has a deadline" began to appear on the display. Then numbers - 7:103:15:12:06 - showed up, representing the years, days, hours, minutes and seconds until that deadline. "This is arguably the most important number in the world".