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<?php date_default_timezone_set('Australia/Melbourne'); $ref = strtotime('2019-04-07T01:00:00+1100'); echo 'Reference: ', date('r', $ref), PHP_EOL; echo 'Plus 2 days: ', date('r', strtotime('+2 days', $ref)), PHP_EOL; echo 'Plus 48 hours: ', date('r', strtotime('+48 hours', $ref)), PHP_EOL;

preferences:
23 ms | 476 KiB | 4 Q