How can I add and subtract time values with date?
I want to use the date command to adjust a clock time by adding and subtracting hours, minutes, and seconds, without having time zones affect the calculation. For…
GNU date
How can I add and subtract clock times with date?
I want to use the date command to perform arithmetic on a time-of-day value while treating it as a simple clock time, without timezone or daylight-saving effects. For…