PHP Countdown Demonstration
19 years and 125 days ago left until 2005 (New Year's).
18 years, 156 days, and 10 hours ago remaining until December 2005 (years, days, hours).
12 years ago remaining until August 14, 2012.
15 years, 125 days, 6 hours, and 2 minutes ago left until 4am on New Year's Eve 2008 (years, days, hours, minutes).
47 years and 316 days ago since Vietnam was unified [how script handles a point in the past] (years, days).
2 years, 117 days, 10 hours, 31 minutes, and 5 seconds ago until January 4, 2022 at 11:30pm and 43 seconds (years, days, hours, minutes, seconds).
13 years, 186 days, and 11 hours ago until October 31, 2010 at 12:01am (years, days, hours).