1. In the U.K and Australia, Friday is sometimes referred to by the acronym "POETS DAY", which stands for "piss off early tomorrow is Saturday".

2. Friday the 13th can be considered lucky for some people but in the western world it's often a day of superstition, so the fear of Friday is called paraskavedekatriaphobia.

3. It is considered unlucky to begin a voyage on a Friday in the maritime world.

4. In astrology, Friday is connected with the planet Venus and it's symbolised by the planets symbol.

5. Friday is associated with the zodiac signs Libra and Taurus.

6. The expression "Man Friday" comes from the character Friday in the novel Robinson Crusoe. It is used to describe a particularly loyal or competent male personal assistant.

7. In the Thai solar calendar, blue is the colour associated with Friday.

8. In some places around the world there is an occurrence known as "country and western Friday" which is similar to "casual Friday" but where employees will wear cowboy clothing rather than casual clothing.

9. The name "Friday" originates from the Norse goddess Freya, the day was devoted to the goddess of fertility. Freya-Freitag-Friday.

10. In Christianity "Good Friday" is the Friday before Easter and it commemorates the day of Jesus crucifixion.