The odds of May 20 falling on a Sunday are exactly 14.5%. In other words, May 20 falls on a Sunday an average of 14½ times per century.
Easter Sunday 2014 was on the 20th of April, so Easter Friday, which is the Friday after Easter Sunday, would be on the 25th of April. You may have meant Good Friday, the Friday before Easter Sunday, which was on the 18th of April.
It was a Sunday
May 13 will next fall on a Sunday in 2012.
20th May 1973, was a Sunday.
20th May would be a Sunday.
May 1st falls on Sunday during the normal intervals depending on leap year patterns, the next time this will occur will be in the year 2016
20th, May, 1990, was a Sunday.
Sunday the 8th of May to Saturday the 14th of May.
In 2011 it will.
Easter does not fall in May
It will next be on a Sunday in 2015, then in 2020 and then in 2026.
The odds of May 9 falling on a Sunday are exactly 14%. In other words, it happens an average of 14 times per century, or roughly once every 7.1429 years.