1canonical: 2001-12-15T02:59:43.1Z 2valid iso8601: 2001-12-14t21:59:43.10-05:00 3space separated: 2001-12-14 21:59:43.10 -5 4no time zone (Z): 2001-12-15 2:59:43.10 5date (00:00:00Z): 2002-12-14 6