using System;

using NodaTime;

using System.Collections.Generic;

using System.Xml;

​

public class Program

{

    public static void Main()

    {

        // Call the method to convert UTC to ZonedDateTime

        try

        {

            //DateTime dateTime = new DateTime(2022, 11, 6, 11, 50, 12);

            string inpunch = "2022-11-06T06:09:00.0000000Z";

            DateTime indateTimePunch = XmlConvert.ToDateTime(inpunch, XmlDateTimeSerializationMode.Utc);

            //Console.WriteLine( dateTimePunch);

            DateTime inpunchTimeUtc = indateTimePunch.ToUniversalTime();

            //Console.WriteLine(punchTimeUtc);  

            ZonedDateTime inzonedDateTime = SetToZonedTimeFromUtc(inpunchTimeUtc, "NDT");

            Console.WriteLine("Inpunch" + inzonedDateTime);

            //Console.WriteLine("Instant Inpunch" + inzonedDateTime.ToInstant());

            //outpuch

            string outpunch = "2022-11-06T14:52:00.0000000Z";

            //DateTime dat = n11/6/22 6:06

            DateTime outdateTimePunch = XmlConvert.ToDateTime(outpunch, XmlDateTimeSerializationMode.Utc);

            //Console.WriteLine( dateTimePunch);            

            DateTime outpunchTimeUtc = outdateTimePunch.ToUniversalTime();

            //Console.WriteLine( punchTimeUtc);

            ZonedDateTime outzonedDateTime = SetToZonedTimeFromUtc(outpunchTimeUtc, "NST");

            Console.WriteLine("Outpunch" + outzonedDateTime);

            //Console.WriteLine("Instant Outpunch" + outzonedDateTime.ToInstant());

            Duration duration = outzonedDateTime.ToInstant() - inzonedDateTime.ToInstant();

            double totalHours = duration.Ticks / (double)Duration.FromHours(1).Ticks;

            Console.WriteLine("Duration between in and out: " + duration);

            Console.WriteLine("Totalhours between in and out: " + totalHours);

        //Console.WriteLine(zonedDateTime.ToInstant());

        }

        catch (ArgumentException ex)

        {

            Console.WriteLine(ex.Message);

        }

    }

​

    public static ZonedDateTime SetToZonedTimeFromUtc(DateTime punchTimeUtc, string timeZoneName)

    {

        DateTimeZone dateTimeZone = GetDateTimeZone(timeZoneName);

        if (dateTimeZone != null)

        {

            // Convert UTC DateTime to ZonedDateTime in the specified time zone

            //ZonedDateTime dt = dateTimeZone.AtStrictly(new LocalDateTime(punchTimeUtc.Year, punchTimeUtc.Month, punchTimeUtc.Day, punchTimeUtc.Hour, punchTimeUtc.Minute));

            ZonedDateTime dt = new ZonedDateTime(Instant.FromDateTimeUtc(punchTimeUtc), dateTimeZone);

            return dt;

        }

        else

        {

            throw new ArgumentException("Invalid time zone name:", timeZoneName);

        }

    }

​

    public static DateTimeZone GetDateTimeZone(string timeZoneName)

    {

        if (string.IsNullOrEmpty(timeZoneName))

            return null;

        // Dictionary to map time zone names to their offsets

        var timeZoneOffsets = new Dictionary<string, double>

        {

            {

                "EDT",

                -4

            },

            {

                "EST",

                -5

            },

            {

                "CDT",

                -5

            },

            {

                "CST",

                -6

            },

            {

                "MDT",

                -6

            },

            {

                "MST",

                -7

            },

            {

                "PDT",

                -7

            },

            {

                "PST",

                -8

            },

            {

                "AKDT",

                -8

            },

            {

                "AKST",

                -9

            },

            {

                "ADT",

                -3

            },

            {

                "AST",

                -4

            },

            {

                "HDT",

                -9

            },

            {

                "HST",

                -10

            },

            {

                "NDT",

                -2.5

            },

            {

                "NST",

                -3.5

            },

            {

                "WET",

                +0

            },

            {

                "WEST",

                +1

            }

        };

        if (timeZoneOffsets.ContainsKey(timeZoneName))

        {

            double offset = timeZoneOffsets[timeZoneName];

            int hours = (int)offset;

            int minutes = (int)((offset - hours) * 60);

            return DateTimeZone.ForOffset(Offset.FromHoursAndMinutes(hours, minutes));

        }

​

        return null; // Return null if the abbreviation is invalid

    }

}