It was first celebrated in the U.S. on a wide scale Sunday August 14 , 2016 .
Gay Uncles Day , also known as Guncles Day , is celebrated on the second Sunday in August .
Gay Uncles Day was first celebrated in the U.S. on a wide scale Sunday August 14 , 2016 .
Gay Uncles Day , also known as Guncles Day , is celebrated on the second Sunday in August .