http://www.vidul.com/articles/tag/activesupport en-us 40 <div class="typocode"><pre><code class="typocode_ruby "><span class="ident">n</span> <span class="punct">=</span> <span class="constant">Time</span><span class="punct">.</span><span class="ident">now</span> <span class="punct">(</span><span class="ident">n</span><span class="punct">.</span><span class="ident">at_end_of_week</span> <span class="punct">-</span> <span class="ident">n</span><span class="punct">.</span><span class="ident">at_beginning_of_week</span><span class="punct">)</span> <span class="punct">/</span> <span class="punct">(</span><span class="number">24</span> <span class="punct">*</span> <span class="number">3600</span><span class="punct">)</span> <span class="comment"># 6.99998842592593</span></code></pre></div> <p>Shouldn&#8217;t it be <i>7</i> exactly?</p> Probably because the start of a week is <i>00:00:00</i> and the end is <i>23:59:59</i>: <div class="typocode"><pre><code class="typocode_ruby "><span class="punct">&gt;&gt;</span> <span class="constant">Time</span><span class="punct">.</span><span class="ident">now</span><span class="punct">.</span><span class="ident">at_beginning_of_week</span> <span class="punct">=&gt;</span> <span class="constant">Mon</span> <span class="constant">Aug</span> <span class="number">04</span> <span class="number">00</span><span class="punct">:</span><span class="number">00</span><span class="punct">:</span><span class="number">00</span> <span class="punct">+</span><span class="number">0300</span> <span class="number">2008</span> <span class="punct">&gt;&gt;</span> <span class="constant">Time</span><span class="punct">.</span><span class="ident">now</span><span class="punct">.</span><span class="ident">at_end_of_week</span> <span class="punct">=&gt;</span> <span class="constant">Sun</span> <span class="constant">Aug</span> <span class="number">10</span> <span class="number">23</span><span class="punct">:</span><span class="number">59</span><span class="punct">:</span><span class="number">59</span> <span class="punct">+</span><span class="number">0300</span> <span class="number">2008</span> </code></pre></div> Sun, 10 Aug 2008 07:38:00 -0600 urn:uuid:05ed38c2-001d-4272-b3cc-261501473ed5 root http://www.vidul.com/articles/2008/08/10/active-support-date-and-time Ruby ActiveSupport http://www.vidul.com/articles/trackback/78