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Need help Subtracting hours and minutes

  1. #1
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    Need help Subtracting hours and minutes

    Being a real novice I need some help in what you all would consider basics. I will try to explain what I am trying to accomplish. Basically I am trying establish time elapsed in different machine operator functions. I have starting times and completion time of the process in hours and minutes. In A1 I have start time 9:00, in B1 I have complete time 2:00. Naturally I have to subtract times to get the difference in hours and minutes and show in C1.
    To slightly complicate things, there are interruptions that cannot be included in the answer such as breaks and lunch. Fortunately there are only three cases.
    If Break time 10:00 - 10:15 ignore
    If Lunch time 12:00 - 12:30 ignore
    If Break time 2:00 - 2:15 ignore

    So I don't get screwed up what format do I use.

    Thank you for your help and understanding, I warned you I was a novice.

    If there are other questions I can help with please let me know. I have read about adding .mm or *24 to the formula and things like that but I am totally confused.

  2. #2
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    Re: Need help Subtracting hours and minutes

    Your post does not comply with Rule 8 of our Forum RULES. Do not crosspost your question on multiple forums without including links here to the other threads on other forums.

    Cross-posting is when you post the same question in other forums on the web. The last thing you want to do is waste people's time working on an issue you have already resolved elsewhere. We prefer that you not cross-post at all, but if you do (and it's unlikely to go unnoticed), you MUST provide a link (copy the url from the address bar in your browser) to the cross-post.

    Expect cross-posted questions without a link to be closed and a message will be posted by the moderator explaining why. We are here to help so help us to help you!

    Read this to understand why we ask you to do this, and then please edit your first post to include links to any and all cross-posts in any other forums (not just this site).

    http://www.excelguru.ca/forums/showt...btracting-time

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