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From John Haxby <>
Subject Re: DateTools again
Date Mon, 02 Oct 2006 16:43:18 GMT
Volodymyr Bychkoviak wrote:
> I'm using DateTools with Resolution.DAY.
> I know that dates internally are converted to GMT.
> Converting dates "2006-10-01 00:00" and "2006-10-01 15:00" from 
> "Etc/GMT-2" timezone will give us
> "20060930" and "20061001" respectively.
> But these dates are identical with day resolution.
> Is this bug or I'm missing something?
They're not identical.   The first one is 2006-09-30 22:00:00 UTC and 
the second 2006-10-01 13:00:00 UTC.

I ran across the problem with DateTools not using UTC when I tried to 
use an index created in California from the UK: I was looking for 
documents with a particular date stamp but I found documents with a date 
stamp from the wrong day.  Even more interesting and bizarre things 
happen around the change from daylight savings time to normal time.


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