Excel's DATETIMEDURATION formula accurately calculates time or date units with millisecond accuracy, providing measurements in years, months, days, and fractional hours, minutes, and seconds between two dates or times.

Compared to the DATEDIF formula, DATETIMEDURATION offers a more accurate alternative, making it ideal for timestamped files, SCADA logs, time series data, and cumulative hour calculations. All users have to do is enter the start time and end time, and the desired time unit result will be automatically generated.
Overall, the DATETIMEDURATION formula is a powerful and reliable tool for anyone seeking highly precise time and date calculations in Excel. Its accessibility and ease of use make it a valuable addition to any software toolkit.
Version 2.0: Calculates elapsed time in Excel, with millisecond accuracy! The DATETIMEDURATION formula calculates the difference between two dates or two times in Excel. Great for analyzing timestamped files, SCADA logs, time series data, or cumulative hours when the results must be exact!