Related Clues:

• Quite a while
• Pay periods
• Best-seller list heading
• Rows on a calendar page
• Vacation segments
• Certain sets of seven
• Fortnight pair
• Year divisions
• Rows on a calendar
• Calendar rows
• Calendar periods
• Month fractions
• Time for kkk?
• ks, not KS?
• kkkkk. just in time