Original: There is limited service (5 minutes) northbound from St. Clair West station from 6:00 a.m. to 9:00 a.m. Monday to Friday.
Simplified: The line runs from about 6:00 a.m. to 1:30 a.m. Monday to Saturday and 9:00 a.m. to 1:30 a.m. on Sunday.