From: Daniel Berger <djberg96@...>
Date: 2007-01-23T07:05:13+09:00
Subject: Re: find monday of first week of the month

Daniel Liebig wrote:
> Hi,
>
> im pretty new to Ruby and i tried to find out how to calculate the date
> for the first monday of the first week of the month (i.e. this would be
> 2007-01-29 for Feb. 2007)

The first Monday in February is on January 29th? Hm, wait, I think I
understand what you're trying to say.

> My approach is to get the weekday of the first day of the month and
> calculate back from there. By getting the weekday i can tell how far to
> calculate back (if necessary at all). If i'm calcualating back from
> janurary, i also have to switch back the year.
>
> So this is what i came out with:

<snip>

require 'date'

date = Date.new(2007, 2)
p date.strftime("%Y-%m-%d") # 2007-02-01
date -= 1 until date.mday == 1
p date.strftime("%Y-%m-%d") # 2007-01-29

Regards,

Dan