https://support.google.com/docs/thread/245885192/formula-to-calculate-offset-quarters?hl=en Nov 27, 2023 ... ="Q" & VLOOKUP(MONTH(A2), {1,4; 2,1; 5,2; 8,3; 11,4}, 2, 1) ... d, ROUNDUP((MONTH(A2)-1)/3),. dt, IF(d=0, 4, d),. "Q"&dt&"-"&IF(d=0, YEAR ...