// using System;
// using System.Collections.Generic;
// using System.Linq;
// using System.Text;
// using System.Threading.Tasks;
// using MarketData.Utils;
// using System.Collections.ObjectModel;

// namespace MarketData.Helper
// {
// 	public class TimeZoneHelper
// 	{
// 		private DateGenerator dateGenerator=new DateGenerator();
// 		private DateTime startDate;
// 		private DateTime endDate;
// 		private DateTime prevBusinessDate;
// 		private DateTime easternTime;
// 		private TimeZoneInfo localZone = TimeZoneInfo.Local;
// 		private TimeZone currentTimeZone=TimeZone.CurrentTimeZone;
//     private static TimeZoneInfo easternTimeZone = GetEasternTimeZone();

// 		public TimeZoneHelper()
// 		{
// 			startDate=DateTime.Now;
// 			endDate = startDate;      // the most recent date
// 			prevBusinessDate=startDate;
// 			prevBusinessDate = dateGenerator.GetPrevBusinessDay(endDate);
// 			easternTime=new DateTime(prevBusinessDate.Year,prevBusinessDate.Month,prevBusinessDate.Day,20,30,0);

// 			if(!currentTimeZone.DaylightName.Equals("Eastern Daylight Time")&&!currentTimeZone.DaylightName.Equals("Eastern Time (US & Canada)"))
// 			{
// 				easternTime=TimeZoneInfo.ConvertTimeToUtc(new DateTime(easternTime.Year,easternTime.Month,easternTime.Day,20,30,0),easternTimeZone);
// 			}
// 			if(prevBusinessDate.Equals(endDate)&&DateTime.Now.TimeOfDay<new TimeSpan(easternTime.Hour,easternTime.Minute,easternTime.Second))
// 			{
// 				prevBusinessDate=dateGenerator.FindPrevBusinessDay(prevBusinessDate);
// 			}
// 		}
// 		public TimeZoneHelper(DateTime startDate)
// 		{
// 			this.startDate=startDate;
// 			endDate = startDate;      // the most recent date
// 			prevBusinessDate=startDate;
// 			prevBusinessDate = dateGenerator.GetPrevBusinessDay(endDate);
// 			easternTime=new DateTime(prevBusinessDate.Year,prevBusinessDate.Month,prevBusinessDate.Day,20,30,0);
// 			if(!currentTimeZone.DaylightName.Equals("Eastern Daylight Time")&&!currentTimeZone.DaylightName.Equals("Eastern Time (US & Canada)"))
// 			{
//         easternTime = TimeZoneInfo.ConvertTimeToUtc(new DateTime(easternTime.Year, easternTime.Month, easternTime.Day, 20, 30, 0), easternTimeZone);
// 			}
// 			if(prevBusinessDate.Equals(endDate)&&DateTime.Now.TimeOfDay<new TimeSpan(easternTime.Hour,easternTime.Minute,easternTime.Second))
// 			{                                               
// 				prevBusinessDate=dateGenerator.FindPrevBusinessDay(prevBusinessDate);
// 			}
// 		}
//     private static TimeZoneInfo GetEasternTimeZone()
//     {
//       TimeZoneInfo timeZoneInfo = null;
//       ReadOnlyCollection<TimeZoneInfo> timeZones;
//       timeZones= TimeZoneInfo.GetSystemTimeZones();
//       for (int index = 0; index < timeZones.Count; index++)
//       {
//         timeZoneInfo = timeZones[index];
//         if (timeZoneInfo.DisplayName.Equals("Eastern Daylight Time")||timeZoneInfo.DisplayName.Equals("Eastern Time (US & Canada)")||
//             timeZoneInfo.DaylightName.Equals("Eastern Daylight Time")||timeZoneInfo.StandardName.Equals("Eastern Standard Time")) break;
//       }
//       return timeZoneInfo;
//     }
// 		public DateTime StartDate
// 		{
// 			get{return startDate;}
// 		}
// 		public DateTime EndDate
// 		{
// 			get{return endDate;}
// 		}
// 		public DateTime PrevBusinessDate
// 		{
// 			get{return prevBusinessDate;}
// 		}
// 		public DateTime EasternTime
// 		{
// 			get{return easternTime;}
// 		}
// 		public DateGenerator DateGenerator
// 		{
// 			get{return dateGenerator;}
// 		}
// 	}
// }