What does this tool do?
Compare two explicit local dates and times as a calendar difference and elapsed days, hours, minutes and seconds. Inputs: Start date, End date, Start time, End time. Outputs: Calendar difference, Total days, Total hours, Total minutes, Total seconds.
How to use it?
Enter both dates and both times; no missing time is assumed. Choose “Calculate date difference”, then copy individual result values. Clear removes all inputs and results and restores option defaults.