It's a Unix Time Sequence holiday! On December 11, at 05:48:20 am (00:48:20 am EST), the Unix Timestamp will be a beautiful sequence.

1765432100

Past sequences: 1234567890 Friday, February 13, 2009 11:31:30 PM

Next sequences: 1876543210 Tuesday, June 19, 2029 6:00:10 AM

1987654321 Sunday, December 26, 2032 6:12:01 AM

Other holidays: 1000000000 Sunday, September 9, 2001 1:46:40 AM

2000000000 Wednesday, May 18, 2033 3:33:20 AM