service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
spring26,1,1,1,1,1,0,0,20251217,20260516
fall26,1,1,1,1,1,0,0,20260824,20261218
spring27,1,1,1,1,1,0,0,20270111,20270515
