Calculate hours between two cells

We needed that several times in the past Then I found it in an old file in my laptop, thought to share it for others to help So, when A1 has the start time, B1 has the end time Time different in one day will be from formula =IF(OR(A1=””,B1=””),””,ABS((HOUR(A1)+MINUTE(A1)/60)-(HOUR(B1)+MINUTE(B1)/60))&” hrs”)   I added to prevent […]