Edit file File name : DateFormatConverter.php Content :<?php /* * This file is part of the Kimai time-tracking app. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace App\Utils; class DateFormatConverter { /** * This defines the mapping between PHP date format (key) and ICU date format (value). * https://unicode-org.github.io/icu/userguide/format_parse/datetime/#datetime-format-syntax * * @var array */ private static $formatConvertRules = [ // hours 'h' => 'hh', 'H' => 'HH', // minutes 'i' => 'mm', // am/pm to AM/PM 'A' => 'a' ]; public function convert(string $format): string { return strtr($format, self::$formatConvertRules); } } Save