Notes to Excel formula The shown all time formula claims 1369 charcters but f e in ECXEL 2000 2003 the maximum of formula length was 1024 I reduced it to 448 less than 1 3 so it works also in Excel 5 DATE A1 4 MOD A1 11 MOD A1 19 DAY A1 4 INT A1 46 DAY A1 25 1 3 3 30 MOD 2 MOD INT A1 4 2 DAY MOD A1 100 4 MOD 19 MOD A1 19 INT A1 DAY A1 4 INT A1 46 DAY A1 25 1 3 3 30 MOD A1 4 4 7 7 DAY MOD A1 19 11 MOD 19 MOD A1 19 INT A1 DAY A1 4 INT A1 46 DAY A1 25 1 3 3 30 22 MOD 2 MOD INT A1 4 2 DAY MOD A1 100 4 MOD 19 MOD A1 19 INT A1 DAY A1 4 DAY A1 11 DAY A1 25 1 3 3 30 MOD A1 4 7 451 9 Frank Schneider Germany 85 199 76 237