Related Clues:

• Datebook heading
• Weekday sequence
• Calendar run
• Abbr. on a class schedule
• Workweek letters
• Work calendar string
• PDA column headings
• Sequence seen between two esses
• Planner letters
• Calendar heading
• Nine-to-five string
• Datebook letters
• Appt.-book headings
• Something seen in planners
• Appt. book headings