service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri-sat-sun,1,1,1,1,1,1,1,20250708,20250831
cal2-sun,0,0,0,0,0,0,1,20250713,20250831
cal3-tue-thu-sat,0,1,0,1,0,1,0,20250708,20250830