Let's TalkZapaday, Verrijn Stuartlaan 7, Rijswijk, Netherlands.
Friday the 13th occurs when the thirteenth day of a month falls on a Friday, which
holds to be a day of
In the Gregorian calendar , this day occurs at least once, but at most three times a year. Any month's 13th day will fall on a Friday if the month starts on a Sunday.