Possible Clues:

• The Jewish Sabbath
• Part of the weekend
• Day named for the sixth plant from the sun
• Matinee time
• Jewish Sabbath
• Day named after the planet of the rings
• 'That'll always come before 17 across, perhaps (8)'
• That's the end of the weak sound
• Day whose child works hard for a living
• Last of seven, for many