service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri-sat,1,1,1,1,1,1,0,20260727,20260930
cal2-tue,0,1,0,0,0,0,0,20260728,20260929
cal3-fri,0,0,0,0,1,0,0,20260731,20260925
cal4-mon,1,0,0,0,0,0,0,20260727,20260928
cal5-wed,0,0,1,0,0,0,0,20260729,20260930
cal6-thu,0,0,0,1,0,0,0,20260730,20260924
cal7-wed-fri,0,0,1,0,1,0,0,20260729,20260930