To say the thing that Steve knows but didn't explicitly point out:
The "time-change" key is used in the standard STIG rules. If you can get
the clearance from the powers-that-be in your org, note that the auditctl
rule format allows you to exclude time-change events generated by something
that you want to trust, e.g., ntpd. I wrote an article for this exact issue
recently on the Red Hat Customer Portal. See: How to exclude specific
users, groups, or services when using auditd to audit syscalls
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