<P> In Singapore, Father's Day is celebrated on the third Sunday of June but is not a public holiday, to celebrate all fathers for their numerous contributions . </P> <P> In Slovakia, Father's Day is celebrated on the third Sunday of June.It is not a public holiday </P> <P> In South Africa, Father's Day is celebrated on the third Sunday of June . It is not a public holiday . </P> <P> In South Sudan, Father's Day is celebrated on the last Monday of August . The president, Salva Kiir Mayardit, proclaimed it before August 27, 2012 . First celebrated on August 27, 2012, Father's Day was not celebrated in South Sudan in 2011 due to the country's independence . </P>

When has fathers day been on june 18th