Convert dateTime type to HebrewCalender in c#

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Hi Everyone!
I have this code in c#:

C#

public static string GetHebrewJewishDateString(DateTime anyDate) 
{ 
System.Text.StringBuilder hebrewFormatedString = new System.Text.StringBuilder(); 
// Create the hebrew culture to use hebrew (Jewish) calendar 
CultureInfo jewishCulture = CultureInfo.CreateSpecificCulture("he-IL"); 
jewishCulture.DateTimeFormat.Calendar = new HebrewCalendar(); 

// Day of the week in the format " " 
hebrewFormatedString.Append(anyDate.ToString("dddd", jewishCulture) + " "); 
// Day of the month in the format "'" 
hebrewFormatedString.Append(anyDate.ToString("dd", jewishCulture) + " "); 
// Month and year in the format " " 
hebrewFormatedString.Append("" + anyDate.ToString("y", jewishCulture)); 
 
return hebrewFormatedString.ToString(); 
}

the function get a gregorian DateTime and returns the equal Hebrew Date as a string.
I would like to do the opposite, means: to send a function a string of hebrew date and to get the equal Gregorian DateTime.

truly, I'm about to check if a specific Hebrew Date falls between two other Hebrew dates, so if someone have more effective idea (instead of converting the whole three dates to DateTime) - I'd be very glad to hear.

Thanks a lot !!
Tali.

[Edit: Added PRE tag]

Posted 31-May-11 1:46am

Member 7928594

Updated 31-May-11 1:48am

yesotaso

v2

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Sergey Alexandrovich Kryukov 31-May-11 15:37pm

Do you mean you want to get 27 or 28 Iyyar, 5771 for today?
--SA

Member 7928594 5-Jun-11 15:57pm

I need to know if a part of hebrew date (day of month, month, year) is equal to Today, therefore I need a way to get today's Jewish month, today's Jewish year..
Do you know how can I get it ?

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johannesnestler · Answer 1 · 2011-05-31T05:41:00

Ok, I see you converting a string. In my opinion this is not needed for your problem. Anyway here is a solution.
The DateTime.Parse and ToString methods provide everything you need.

Look at this example app:

using System;
using System.Globalization;

namespace DateTimeConverter
{
    class Program
    {
        static CultureInfo cultureJewish = CultureInfo.CreateSpecificCulture("he-IL");
        static void Main(string[] args)
        {
            cultureJewish.DateTimeFormat.Calendar = new HebrewCalendar();

            // create a hebrew date
            DateTime dtAnyDateHebrew = new DateTime(5767, 1, 1, new System.Globalization.HebrewCalendar());
            // write as hebrew date
            Console.WriteLine(dtAnyDateHebrew.ToString(cultureJewish));
            // write as current culture date
            Console.WriteLine(dtAnyDateHebrew.ToString());
            // convert date from hebrew datetime string (this is not realy needed, but you asked for it)
            DateTime dtConverted = ParseHebrewDateTimeString(dtAnyDateHebrew.ToString(cultureJewish));
            Console.WriteLine(dtConverted);
            
            // BTW: You can compare DateTimes like integers
            DateTime dtHebrewBegin = new DateTime(5767, 1, 1, new System.Globalization.HebrewCalendar());
            DateTime dtHebrewMiddle = new DateTime(5768, 1, 1, new System.Globalization.HebrewCalendar());
            DateTime dtHebrewEnd = new DateTime(5769, 1, 1, new System.Globalization.HebrewCalendar());
            // ...
            if (dtHebrewMiddle > dtHebrewBegin && dtHebrewMiddle < dtHebrewEnd)
                Console.WriteLine("Date {0} falls between {1} and {2}",
                    dtHebrewMiddle.ToString(cultureJewish),
                    dtHebrewBegin.ToString(cultureJewish),
                    dtHebrewEnd.ToString(cultureJewish));

            Console.ReadKey();
        }

        public static DateTime ParseHebrewDateTimeString(string strHebrew)
        {
            DateTime dtResult = DateTime.Parse(strHebrew, cultureJewish);
            return dtResult;
        }
    }
}

Member 7928594 · Answer 2 · 2011-06-04T10:22:00

Solution 2

Very useful codes.
Thanks a lot.

Posted 4-Jun-11 10:22am