timestamp with time zone tutorial

INSERTing timestampz, 'to_timestamp', output formatting, input formatting, SERVER TIME, USER_LOCAL_TIME, multi timezone applications.

Anyone wonder how those all work? **I** sure do!!!

Is there a tutorial anywhere on how to do all those? Can anyone who is knowledgeable about this:

(1) Post a good description.
(2) Post a link to a good description.
(3) Give input to me so that I can write a good tutorial to post on
the postgres site?

TIA,
Dennis Gearon

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