The Challenge of Friday the Thirteenth

Friday the thirteenth is considered the unluckiest of days, unless you were born on Friday the thirteenth. If you were born on this day then Friday the thirteenth is your lucky day.

The origins of Friday superstitions are many. One of the best known is that Eve tempted Adam with the apple on a Friday. Tradition also has it that the Flood in the Bible, the confusion at the Tower of Babel, and the death of Jesus Christ all took place on Friday.

Long before the Bible was written, Friday was considered an important day. Primitive people set aside Fridays as a special time to worship their deities and ask them for good crops, health and happiness. Those who worked on this day were told not to expect "good luck" from the gods.

The day Friday was named after Frigg (or Frigga)

The Norse goddess of marriage.

Later she was confused with the goddess of love, Freya, who in turn became identified with Friday. When the Norsemen and Germanic tribes became Christians, Freya was supposed to have been banished to the mountains as a witch.
Friday came to be called "witches' Sabbath." For it was believed that on this day, each week, twelve witches and the Devil met - thirteen evil spirits up to no good!
This is just one of the explanations for our superstition about Friday the 13th.