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<?php date_default_timezone_set('UTC'); $timestamp = mktime(0,0,0,11,1,2014); var_dump('4 thursdays', $timestamp); var_dump('first thursday + 3 weeks', $timestamp); date_default_timezone_set('America/Chicago'); $timestamp = mktime(0,0,0,11,1,2014); var_dump('4 thursdays', $timestamp); var_dump('first thursday + 3 weeks', $timestamp);
Output for git.master, git.master_jit, rfc.property-hooks
string(11) "4 thursdays" int(1414800000) string(24) "first thursday + 3 weeks" int(1414800000) string(11) "4 thursdays" int(1414818000) string(24) "first thursday + 3 weeks" int(1414818000)

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