Convert Unix Seconds : Date Time Util « Development Class « C# / C Sharp

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C# / C Sharp » Development Class » Date Time UtilScreenshots 
Convert Unix Seconds
 
#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Data.SqlTypes;

namespace Newtonsoft.Utilities.Time
{
  public static class DateTimeUtils
  {
    public static readonly DateTime UnixEpoch = new DateTime(1970110000);

    public static DateTime ToSqlServerPrecision(DateTime value)
    {
      SqlDateTime sqlValue = new SqlDateTime(value);

      return sqlValue.Value;
    }

    public static DateTime ConvertUnixSeconds(long unixSeconds, long residualNanoseconds)
    {
      DateTime actualDateTime = ConvertUnixSeconds(unixSeconds);

      long ticks = residualNanoseconds / 100;

      return actualDateTime.AddTicks(ticks);
    }

    public static DateTime ConvertUnixSeconds(long unixSeconds)
    {
      return UnixEpoch.AddSeconds(unixSeconds);
    }

    public static string ToFileSortableDateTime(DateTime value)
    {
      return value.ToString("yyyyMMdd'T'HHmmss", CultureInfo.CurrentCulture);
    }

    public static DateTime FromFileSortableDateTime(string value)
    {
      return DateTime.ParseExact(value, "yyyyMMdd'T'HHmmss", CultureInfo.CurrentCulture);
    }
  }
}

   
  
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4.Gets the end of day.
5.Gets the start of month.
6.Gets the end of month.
7.Gets the end of quarter.
8.Gets the end of year.
9.Gets the months between.
10.Return a unique identifier based on system's full date (yyyymmdd) and time (hhmissms).
11.Return a elapsed time in formatted string. (hh:mm:ss:mi)
12.Screen for holidays
13.Return the previous business date of the date specified.
14.Return the previous or next business day of the date specified.
15.Return true if the number of seconds has elapsed since the last check
16.Add Business Days
17.Get Day Of Week
18.Add week to a DateTime
19.Get the quarter number for the DateTime
20.Get the week number
21.Date and time To Words
22.Return the number of milliseconds since the Unix epoch (1 Jan., 1970 UTC) for a given DateTime value.
23.Get Elapsed Time
24.Is given DateTime Weekend
25.Converts a Date to a string using relative time.
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