service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri-sat,1,1,1,1,1,1,0,20260807,20260930
cal2-tue,0,1,0,0,0,0,0,20260811,20260929
cal3-wed,0,0,1,0,0,0,0,20260812,20260930
cal4-thu,0,0,0,1,0,0,0,20260813,20260924
cal5-fri,0,0,0,0,1,0,0,20260807,20260925
cal6-mon,1,0,0,0,0,0,0,20260810,20260928