Simulate how a program would act next Friday night

Fake the system time for a given command.
More information: <https://manned.org/faketime>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

faketime '{{next Friday 1 am}}' {{path/to/program}}

click the source code to copy install faketime on any operating system with command-not-found.com