P, Q, R, S, T, V and W are seven friends left for seven different destinations-Delhi, Chennai, Hyderabad, Bangalore, Kolkata, Chandigarh and Jaipur-each one on a different day of the week. R left for Jaipur on Monday. On Sunday, one of them left for Bangalore. T left the next day of P who left for Chandigarh and on the previous day of W. S left for Kolkata on Friday. Q did not leave for either Hyderabad or Bangalore and W left for Delhi.
On which day of the week did Q leave?