service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
mtwthf,1,1,1,1,1,0,0,20250128,20270131
sat,0,0,0,0,0,1,0,20250128,20270131
sun,0,0,0,0,0,0,1,20250128,20270131
