Timezone for Asia/Jerusalem

Andy Lipscomb AndyLipscomb at decosimo.com
Wed Jan 12 17:48:41 UTC 2011

If you can generate Hebrew-calendar dates, that will do it. It's always
either the 4th, 6th, 7th, or 9th of Tishri (whichever of those four
falls on a Sunday). In the language of tzData, it's Sun>=3 (just on a
month that the tz code doesn't handle).

J Andrew Lipscomb, CPA*ABV, ASA 
Decosimo Advisory Services 
900 Tallan Building 
2 Union Square 
Chattanooga, TN 37402 
Fax 423.266.6671 

-----Original Message-----
From: Vilas Khare (vkhare) [mailto:vkhare at cisco.com] 
Sent: Friday 07 January 2011 18:36
To: tz at lecserver.nci.nih.gov
Subject: Timezone for Asia/Jerusalem

For Asia/Jerusalem (URL below) time zone -- DST begin date seems to be
consistently on the 'First Friday' following March 26th every year.   If
March 26 falls on Friday then DST begins on that Friday.   But I fail to
see any pattern in DST end date.   Currently, we have been defining new
time zone rule every year for Asia/Jerusalem in our metadata but want to
know if we can fit in some generic pattern to avoid maintenance.  


Any suggestions ? 


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