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<?php var_dump(new \DateTime('first day of last month 0:00:00 UTC'));
Output for git.master_jit, git.master
object(DateTime)#1 (3) { ["date"]=> string(26) "2026-03-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }

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