I do Yoga on Tuesdays, It is a great exercise to calm the mind.
 Tuesday is a day of the week occurring after Monday 
Mardi Gras is known as "Fat Tuesday "
international standard ISO 8601, it is the second day of the week.
According to some commonly used calendars (esp. in the US), it is the third day of the week
The English name is derived from Old English "Tiwesdæg" and Middle English "Tewesday," meaning "Tīw's Day", the day of Tiw or Týr, the god of single combat