From: Kirk Haines <khaines@...>
Date: 2005-11-14T01:03:49+09:00
Subject: Re: Converting between Time and DateTime

On Saturday 12 November 2005 11:35 am, David A. Black wrote:

> OK, let me try again.
>
>    irb(main):068:0> t = Time.now
>    => Sat Nov 12 13:33:08 EST 2005
>    irb(main):069:0> d = DateTime.parse(t.iso8601)
>    => #<DateTime: 52999645097/21600,-5/24,2299161>
>    irb(main):070:0> d.strftime("%c")
>    => "Sat Nov 12 13:33:08 2005"
>    irb(main):071:0> Time.parse(d.strftime("%c"))
>    => Sat Nov 12 13:33:08 EST 2005
>
> 'parse' seems to be a good bet in both directions.

It works in both directions because the underlying 'parse' is the same 
one.  :)

They all use the same the Date#_parse method defined in date/format.rb.

Using this is going to be much slower than just doing conversions with the 
numerical values and constructor methods that the classes provide.


Kirk Haines