CodeChallenge/TimeConversion.cs at main · YastecHub/CodeChallenge · GitHub

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namespace CodeChallenge
{
    public class TimeConversion
    {
        public static string timeConversion(string s)
        {
            string amPm = s.Substring(s.Length - 2);
            int hour = int.Parse(s.Substring(0, 2));

            string timeWithoutAmPm = s.Substring(0, s.Length - 2);

            if (amPm == "Am" || amPm == "am")
            {
                if (hour == 12)
                {
                    hour = 0;
                }
            }
            else
            {
                if (hour != 12)
                {
                    hour += 12;
                }
            }

            string hourString = hour.ToString("D2");

            string result = hourString + timeWithoutAmPm.Substring(2);

            return result;
        }
    }
}