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<?php date_default_timezone_set('America/New_York'); $cal = new IntlGregorianCalendar(2022, 2, 13, 1, 59, 59); echo IntlDateFormatter::formatObject($cal), "\n"; $cal->add(IntlCalendar::FIELD_HOUR, 24); echo IntlDateFormatter::formatObject($cal), "\n"; $cal->add(IntlCalendar::FIELD_SECOND, 1); echo IntlDateFormatter::formatObject($cal), "\n";

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