Please contribute to our crowdsourced timeline of the web’s milestone moments by tweeting your moment according to the schedule below. The timeline will start with 1989 on March 12, 8am CET and run for 30 hours through to March 13, 2pm CET. Tweet yours using #Web30 #ForTheWeb.
| YEAR | CET/GMT/ET/PT |
| 1989 | 8:00/7:00/3:00/00:00 |
| 1990 | 9:00/8:00/4:00/1:00 |
| 1991 | 10:00/9:00/5:00/2:00 |
| 1992 | 11:00/10:00/6:00/3:00 |
| 1993 | 12:00/11:00/7:00/4:00 |
| 1994 | 13:00/12:00/8:00/5:00 |
| 1995 | 14:00/13:00/9:00/6:00 |
| 1996 | 15:00/14:00/10:00/7:00 |
| 1997 | 16:00/15:00/11:00/8:00 |
| 1998 | 17:00/16:00/12:00/9:00 |
| 1999 | 18:00/17:00/13:00/10:00 |
| 2000 | 19:00/18:00/14:00/11:00 |
| 2001 | 20:00/19:00/15:00/12:00 |
| 2002 | 21:00/20:00/16:00/13:00 |
| 2003 | 22:00/21:00/17:00/14:00 |
| 2004 | 23:00/22:00/18:00/15:00 |
| 2005 | 0:00(+1 day)/23:00/19:00/16:00 |
| 2006 | 1:00/00:00(+1 day)/20:00/17:00 |
| 2007 | 2:00/1:00/21:00/18:00 |
| 2008 | 3:00/2:00/22:00/19:00 |
| 2009 | 4:00/3:00/23:00/20:00 |
| 2010 | 5:00/4:00/00:00(+1 day)/21:00 |
| 2011 | 6:00/5:00/1:00/22:00 |
| 2012 | 7:00/6:00/2:00/23:00 |
| 2013 | 8:00/7:00/3:00/00:00(+1 day) |
| 2014 | 9:00/8:00/4:00/1:00 |
| 2015 | 10:00/9:00/5:00/2:00 |
| 2016 | 11:00/10:00/6:00/3:00 |
| 2017 | 12:00/11:00/7:00/4:00 |
| 2018 | 13:00/12:00/8:00/5:00 |
| 2019 | 14:00/13:00/9:00/6:00 |