Read the following passage and solve the questions based on it.
P, Q, R, S, T, V and W are seven friends who left for seven different places—Delhi, Chennai, Hyderabad, Bangalore, Kolkata, Chandigarh and Patna–each one on a different day of the week. R left for Patna on Monday. On the last day of the week one person left for Bangalore. T left the next day after P, who left for Chandigarh and a day previous to W’s departure. S left for Kolkata on Friday. Q did not leave for either Hyderabad or Bangalore and W left
It is also given that the week starts on Sunday and ends on Saturday.
On which day of the week did Q leave?