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Re: "Does anybody really know what time it is?"

From: Jonathan Gennick <jonathan_at_gennick.com>
Date: Thu, 28 Feb 2002 19:28:22 -0800
Message-ID: <F001.0041C31B.20020228192822@fatcity.com>


What is a GMT epoch second? This curious mind wants to know.

I can get UTC time by:

alter session set time_zone='00:00';
select current_timestamp from dual;

But this doesn't get Steve the epoch seconds that he wants.

Oddly enough, with all this new time zone functionality, I don't see any way to easily translate a TIMESTAMP WITH TIMEZONE value from one time zone to another. For example, if I have 2-Feb-2002 10:30:00.00 PM -05:00, how would I go about converting that to Pacific Time (-07:00)? It seems like there ought to be a function to do it for me (NEW_TIME won't work here), but the solution doesn't appear that easy.

Best regards,

Jonathan Gennick
mailto:jonathan_at_gennick.com * 906.387.1698 http://Gennick.com * http://MichiganWaterfalls.com * http://ValleySpur.com

Thursday, February 28, 2002, 5:56:01 PM, you wrote:

OS> I want to get the UTC (Coordinated Universal Time) from the database without
OS> having to escape to the O/S or write a stored proc. I want to get this time
OS> in GMT epoch seconds without needing to know what timezone the server is in.
OS> Can't find any Oracle supplied package for this and I'm appalled. 

OS> My current medulla oblongata init.ora setting is clues = 0.

OS> Suggestions?

OS> Steve Orr
OS> Bozeman, MT

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Author: Jonathan Gennick
  INET: jonathan_at_gennick.com

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