service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal1-mon-tue-wed-thu-fri,1,1,1,1,1,0,0,20250901,20250926
cal2-sat,0,0,0,0,0,1,0,20250906,20250927
cal3-sun,0,0,0,0,0,0,1,20250907,20250928
cal4-mon-tue-wed-thu-fri-2,1,1,1,1,1,0,0,20250929,20251231
cal5-sat-1,0,0,0,0,0,1,0,20251004,20251227
cal6-sun-3,0,0,0,0,0,0,1,20251005,20251228