Adding negative and positive times

tiffs1021

New Member
Joined
Feb 12, 2019
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I am trying to add negative time, hours and minutes (-1:32) to positive time (0:34). These are totals for hours worked above 40 hours. I have changed to the 1904 date system but my formulas aren't working. I'm not very familiar with Excel. I'm trying the formula =SUM(A1+A2) with A1 and A2 being in time format. I have found many threads about this but none that I find fit what I'm looking for.
Please help!
 

Excel Facts

Can a formula spear through sheets?
Use =SUM(January:December!E7) to sum E7 on all of the sheets from January through December
Hello, keep 1904 date system, but format the cells as Time.

A1 =-VALUE("10:20")
A2 =-VALUE("2:20")
A3 =A1+A2 (A1 and A2 must be formatted as Time)
Let me know if it work please.
 
Upvote 0
I am trying to add negative time, hours and minutes (-1:32) to positive time (0:34). These are totals for hours worked above 40 hours. I have changed to the 1904 date system but my formulas aren't working. I'm not very familiar with Excel. I'm trying the formula =SUM(A1+A2) with A1 and A2 being in time format. I have found many threads about this but none that I find fit what I'm looking for.
Please help!

A good expalantion can be found here

https://www.youtube.com/watch?v=yeXnDslp6xo

Hope that helps you in better understanding.
 
Upvote 0

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