service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-thu-fri,1,1,0,1,1,0,0,20250102,20251230
cal2-sat,0,0,0,0,0,1,0,20250104,20251227
cal3-wed,0,0,1,0,0,0,0,20250101,20251231
cal4-sun,0,0,0,0,0,0,1,20250105,20251228