How do I substract 5 minutes from a Unix timestamp?

Question

How do I substract 5 minutes from a Unix timestamp?

I have a date in milliseconds since Unix epoch format, how do I substract 5 minutes from it?

timestamps bash

3 years ago by Kajalsi45d

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**Bharatgxwzm** · Answer 1 · 2021-09-27T11:55:07

5 minutes of 60 seconds of 1000 milliseconds each gives 300000.

You can subtract this from a variable that containts current date in milliseconds using $(( )):

dd=$(($(date +'%s * 1000 + %-N / 1000000')))

ddmin5=$(($dd - 300000))

echo $ddmin5

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How do I substract 5 minutes from a Unix timestamp?

1 Answer

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