Monday, Thursday, Friday, and Saturday are free all day. Tuesday is free from 0 AM to 16 PM, and from around 18 PM to 20 PM; the rest is busy. Wednesday is free from 0 AM to 17 PM, and from around 19 PM to 20 PM; the rest is busy. Sunday is free from 0 AM to around 10 AM, and from 13 PM to 20 PM; the rest is busy.