using System;

public class Program

{

    public static void Main()

    {

        var now = DateTimeOffset.UtcNow;

        var tomorrow = now.AddDays(1);

        var cPausedUntil = DateTimeOffset.Parse("3/20/2018 00:00:00 -4");

        var timezone = "Central Standard Time".ToTimeZoneInfo();

        Console.WriteLine(timezone);

        Console.WriteLine(timezone.GetUtcOffset(now));

        var localDate = timezone.ConvertTime(now).Date;

        var pausedUntil = cPausedUntil;

​

        if (timezone.GetUtcOffset(localDate) != pausedUntil.Offset)

        {

            pausedUntil = pausedUntil.SwitchTimeZone(timezone);

        }

        var pausedUntilDate = timezone.ConvertTime(pausedUntil).Date;

        Console.WriteLine($"cPausedUntil: {cPausedUntil}");

        Console.WriteLine(pausedUntilDate);

        Console.WriteLine(localDate);

        Console.WriteLine( pausedUntilDate <= localDate);

​

    }

}

​

public static class Test {

    public const string ReportTimeZoneId = "Eastern Standard Time";

    public static readonly TimeZoneInfo ReportTimeZone = TimeZoneInfo.FindSystemTimeZoneById(ReportTimeZoneId);

    public static TimeZoneInfo GetReportingTimeZoneInfo()

    {

        return ReportTimeZone;

    }

    public static DateTimeOffset ToReportingTimeZone(this DateTimeOffset dateTimeOffset)

    {

        return ReportTimeZone.ConvertTime(dateTimeOffset);

    }

    public static DateTimeOffset ConvertTime(this TimeZoneInfo timeZone, DateTimeOffset dateTimeOffset)

    {

        return dateTimeOffset.ToOffset(timeZone.GetUtcOffset(dateTimeOffset));

    }

    public static DateTimeOffset ToMidnight(this DateTimeOffset dateTimeOffset)

    {

        return dateTimeOffset.Subtract(dateTimeOffset.TimeOfDay);

    }

    public static DateTimeOffset SwitchTimeZone(this DateTimeOffset dateTimeOffset, string newTimeZone)

    {

        return dateTimeOffset.SwitchTimeZone(newTimeZone.ToTimeZoneInfo());

    }

    public static DateTimeOffset SwitchTimeZone(this DateTimeOffset dateTimeOffset, TimeZoneInfo newTimeZone)

    {

        return new DateTimeOffset(dateTimeOffset.Ticks, newTimeZone.GetUtcOffset(dateTimeOffset));

    }

     public static DateTimeOffset ToEndOfDay(this DateTimeOffset dateTimeOffset)

     {

         return dateTimeOffset.ToMidnight().AddHours(23).AddMinutes(59).AddSeconds(59);

     }

    public static TimeZoneInfo ToTimeZoneInfo(this string timeZoneID)

        {

            TimeZoneInfo timeZone;

            try

            {

                timeZone = TimeZoneInfo.FindSystemTimeZoneById(timeZoneID);

            }

            catch

            {

                timeZone = TimeZoneInfo.FindSystemTimeZoneById("Central Standard Time");

            }

            return timeZone;

        }

}

​

​

//TimeZoneInfo zone = TimeZoneInfo.FindSystemTimeZoneById("UTC+12");

//Console.WriteLine(zone);

​

//var tz = TimeZoneInfo.GetSystemTimeZones();

//foreach (var t in tz)

//{

//  Console.WriteLine(string.Format("{0}\t{1}", t.BaseUtcOffset, t.StandardName));

//}