What will happen to PostgreSQL server (on Linux) if CMOS battery dies?

Hi!
I wonder what the consequences would be for a PostgreSQL server running on Linux on a machine where the CMOS battery that gives life to the local system (time) clock dies.
Note that the machine is not connected to a network, so synchronizing with an external time server is not an option. The machine is usually turned off every night, and turned on every morning, so I guess that with a dead battery, the local time will be set to 1970 every morning.

Of course the battery should be changed as soon as possible if it dies, but I just want to know if PostgreSQL will be able to run at all in these conditions.

Best regards,
Fredrik Israelsson

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