Absolutely on Thursday and Friday. Saturday not so much in the afternoon because a lot of people spend time with their friends and families. Come night time after dinner any day of the week, any place whether incall or massage parlour is busy.
As for Asian micros, the general trend is business clients before 8 AM and 11 AM to 1 PM. Older guys from 1 PM to 5 PM. 5 PM always booked, quiet until 7 PM. Then the non-stop action starts until 10 or so. After that, then the young guys come out 10 to 2 AM because parents are sleeping and/or the car is available. 8-10 clients per lady per day, rinse and repeat 6 days a week for 3 weeks, then go on 6 months until visitor visa expires.