service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri-sat-sun,1,1,1,1,1,1,1,20260808,20260831
cal2-mon-tue-wed-fri-sat-sun,1,1,1,0,1,1,1,20260808,20260830
cal3-thu,0,0,0,1,0,0,0,20260813,20260827
cal4-mon-tue-wed-sat-sun,1,1,1,0,0,1,1,20260808,20260816
cal5-thu-fri,0,0,0,1,1,0,0,20260813,20260814
cal6-mon-tue-wed-sat-sun,1,1,1,0,0,1,1,20260817,20260830
cal7-thu-fri,0,0,0,1,1,0,0,20260820,20260828