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<?php $endDate = strtotime('2015-03-30 12:01:00'); $endDate = -$endDate % 1800; $endDate = date('Y-m-d H:i:s', $endDate); $startDate = date('Y-m-d H:i:s', strtotime($endDate . " - 1800 seconds")); echo $startDate; echo $endDate;
Output for git.master, git.master_jit, rfc.property-hooks
1970-01-01 00:29:001970-01-01 00:59:00

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