Rails - Jul 2006 - Time zone (select and offset)

How to use ''time_zone_select'' and get the returned value as
offset, not
a string. 0 instead of ''London'', 1 instead of Brussels, and -1
instead
of azores.

I have tried using my own hash with ''select''. But hashes are
not sorted
so the output is a mess.

If it''s not possible to get offset for
''time_zone_select'', is there any
way to sort hashes?

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