Related Clues:

• Millennium's thousand: Abbr
• '16 and '17, e.g
• 100 in a cen
• Sun.-to-Sat. periods
• Timeline markings, for short
• Criminal patterns, in brief
• '19 and '20, e.g
• They precede slashes: Abbr
• Hundreds of wks
• Qtr.'s baker's dozen
• Yr.'s 12
• Rap’s ___ Def
• Wall cal. periods
• Calendar units (abbr.)
• Apr. and Dec