International day for the preservation of the ozone layer September 3, 2014 by Sarah Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: September 16, 2014 @ 12:11 am – 1:11 am 2014-09-16T00:11:00-04:00 2014-09-16T01:11:00-04:00 good day earth mother nature ozone More info here. Related