Last Update: 10/13/2020
When you copy cells containing time data from MS Excel and paste them into Origin, you will likely see that the data display in Origin as "12/30/1899". This is Excel's "base date". The pasted time data remains but the trick is to get Origin to display it:
If you import your MS Excel data -- as opposed to copying and pasting -- into Origin, your time data should display properly in the worksheet without performing the above steps.
Keywords:Microsoft Office, base time, Julian Day, convert, date, date-time