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I have created a google sheet which consist of dates & time. What I want to do is to create a countdown timer from those 2 data.

Here's my spreadsheet setup.

Column A:1 11/01/2023 15:10:00 PM
Column B:1 11/01/2023 13:10:00 PM - The date and time that will show is from Column A + 24hours.
Column C:1 Show a count down timer here the formula would be something like Column B:1-A:1 = countdown timer but using an arrayformula.

Is it even possible?

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  • Welcome to Web Applications Stack Exchange. It is unclear how the difference of two datetime values would form a "countdown". If the two datetimes stay the same, their difference will also stay the same. Perhaps you should involve the current moment in time in that calculation. Please edit your question to clarify that. Jan 12, 2023 at 8:43
  • Also insert a table of sample data side-by-side with your manually entered desired results. You may further want to consider sharing a publicly editable sample spreadsheet. There is a blank sheet maker that lets you share safely. Jan 12, 2023 at 8:44

1 Answer 1

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To count down from the current time to the deadlines in column B1:B, use this formula:

=arrayformula( B1:B6 - now() )

Format the result column as Format > Number > Duration.

Column B Formula result
1/13/2023 0:00:00 13:21:56
1/13/2023 12:00:00 25:21:56
1/13/2023 13:00:00 26:21:56
1/14/2023 0:00:00 37:21:56
1/14/2023 12:00:00 49:21:56
1/14/2023 13:00:00 50:21:56

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