Ken <katakagi <at> bu.edu> writes: > # create "chron" time vector > library(chron) > excel.dates <- seq(40179.0 + 1/6, 40180.0 + 1/6, 1/6) > orig <- chron("12/30/1899") > date.time <- orig + excel.dates; > time.only <- substr(date, 11, 18) Found one error in my script above. Correction: time.only <- substr(date.time, 11, 18) Ken