duration in pivot report is showing in (1970-01-01)

[Doraemon]

I created a pivot format report to show duration of RITM in each state.  It shows the duration along with (1970-01-01) format. ow to fix it?

[Ankur Bawiskar]

@Doraemon 

that's OOTB behavior for Duration type field.

If my response helped please mark it correct and close the thread so that it benefits future readers.