Formula for time difference in Numbers app

Trying to create a chart in NUMBERS that if I have a starting time it will compute the time for events leading up to it. ie I have a 10:00 am event with something that needs to occur 65 min before it, 35 min before it, 4:30 before it


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MacBook Air, macOS 14.1

Posted on Dec 28, 2024 7:35 PM

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Posted on Dec 29, 2024 2:09 AM

The calculations in the table can be just simple subtraction, subtraction of a Duration value from a Date & Time value, something like this:




What kind of chart are you making?


SG



2 replies

Dec 29, 2024 8:19 AM in response to gwen208

OMG who are you? Thank you so much. Had no idea how to make this. Brilliant!! I'll start working on this.

I'm doing a timeline chart for a recurring event where there are a series of things that need to happen before the event starts. The event time may change so I needed to be able to have pre events adjust to a changing start time.

Again, thank you !

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Formula for time difference in Numbers app

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