faketime

faketime

TLDR

Fake the time to this evening, before printing the result of date

$ faketime '[today 23:30]' [date]
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Open a new bash shell, which uses yesterday as the current date

$ faketime '[yesterday]' [bash]
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Simulate how any program would act next friday night

$ faketime '[next Friday 1 am]' [path/to/any/program]
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