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To: Will Fitch <wfitch@meetme.com>
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Subject: Re: [PHP-DEV] RFC for Adding __toString to DateTime
From: derick@php.net (Derick Rethans)

On Mon, 3 Sep 2012, Will Fitch wrote:

> You have an accurate representation of the ISO format - which does not
> specify the string representation of a timezone, but rather the offset of
> UTC.  This is not lossy.

Yes it is! You can't go back from an UTC offset to a timezone string. 
Hence: lossy.

cheers,
Derick