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Continue to ChatPHP Calendar Function Quiz: <code>jdmonthname()</code>; <code>jdtofrench()</code>; <code>jdtogregorian()</code>; <code>jdtojewish()</code>; <code>jdtojulian()</code>; <code>jdtounix()</code>; <code>jewishtojd()</code>; <code>juliantojd()</code>; and <code>unixtojd()</code>. https://sharedsapience.info/2018/06/16/php-calendar-function-quiz-jdmonthname-jdtofrench-jdtogregorian-jdtojewish-jdtojulian-jdtounix-jewishtojd-juliantojd-and-unixtojd/