Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Calendar's 10, briefly:

OCT: 10 of calendars, briefly
OCT: Calendar's 10, briefly
OCT: 10 on calendars, briefly
OCT: 10 on a calendar, briefly
OCT: What 10 means on calendars, briefly