service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
WKD,1,1,1,1,1,0,0,20260226,20271231
M-TH,1,1,1,1,0,0,0,20260226,20271231
FRI,0,0,0,0,1,0,0,20260226,20271231
