The crossword solutions for the term CAL. ABBR. are TUE (3 letters), FEB (3 letters), DEC (3 letters), FRI (3 letters), MON (3 letters), NOV (3 letters), OCT (3 letters), SEP (3 letters), and TUES (4 letters). These abbreviations refer to the days of the week and months of the year, respectively. TUE stands for Tuesday, FEB stands for February, DEC stands for December, FRI stands for Friday, MON stands for Monday, NOV stands for November, OCT stands for October, SEP stands for September, and TUES stands for Tuesday.