Subtract 1 hour from date in UNIX shell script

Subtract 1 hour from date in UNIX shell script

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In a unix shell, how to get yesterday's date into a variable?

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Bash script: difference in minutes between two times

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Bash Shell Current Date Minus Number of Days

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how to use shell script checking last changed time of a file

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unix shell script to get date 30 minutes ago in GMT

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How can we get weekday based on given date in unix

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grep between date ranges in a log

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What is the difference between find options -cmin and -amin?

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get end of day epoch in shell script bash

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are there any commands that are usually used for comparing time in bash shell script?

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