service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
wkday,1,1,1,1,1,0,0,20260120,20270430
wkend,0,0,0,0,0,1,1,20260120,20270430
sat,0,0,0,0,0,1,0,20260120,20270430
