Convert numeric time to HH:MM
minuteTime(x, format = c("h", "m", "s"), seconds = TRUE)
a string or vector of strings corresponding to the character hour equivalent of the numeric input.
Single string or a vector of strings containing hours:minutes or hours:minutes:seconds.
the format of x, one of "h" (hours), "m", (minutes) or "s" (seconds).
Logical; If TRUE, output is returned in HH:MM:SS format.