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<p class='location'>Trait Datelike</p><div class="block items"><ul><li><a href="#required-methods">Required Methods</a></li><li><a href="#provided-methods">Provided Methods</a></li><li><a href="#implementors">Implementors</a></li></ul></div><p class='location'><a href='index.html'>chrono</a></p><script>window.sidebarCurrent = {name: 'Datelike', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<h1 class='fqn'><span class='in-band'>Trait <a href='index.html'>chrono</a>::<wbr><a class="trait" href=''>Datelike</a></span><span class='out-of-band'><span id='render-detail'>
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<pre class='rust trait'>pub trait Datelike: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
fn <a href='#tymethod.year' class='fnname'>year</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>;
fn <a href='#tymethod.month' class='fnname'>month</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
fn <a href='#tymethod.month0' class='fnname'>month0</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
fn <a href='#tymethod.day' class='fnname'>day</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
fn <a href='#tymethod.day0' class='fnname'>day0</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
fn <a href='#tymethod.ordinal' class='fnname'>ordinal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
fn <a href='#tymethod.ordinal0' class='fnname'>ordinal0</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
fn <a href='#tymethod.weekday' class='fnname'>weekday</a>(&amp;self) -&gt; <a class="enum" href="../chrono/enum.Weekday.html" title="enum chrono::Weekday">Weekday</a>;
fn <a href='#tymethod.isoweekdate' class='fnname'>isoweekdate</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="enum" href="../chrono/enum.Weekday.html" title="enum chrono::Weekday">Weekday</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;
fn <a href='#tymethod.with_year' class='fnname'>with_year</a>(&amp;self, year: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#tymethod.with_month' class='fnname'>with_month</a>(&amp;self, month: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#tymethod.with_month0' class='fnname'>with_month0</a>(&amp;self, month0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#tymethod.with_day' class='fnname'>with_day</a>(&amp;self, day: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#tymethod.with_day0' class='fnname'>with_day0</a>(&amp;self, day0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#tymethod.with_ordinal' class='fnname'>with_ordinal</a>(&amp;self, ordinal: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#tymethod.with_ordinal0' class='fnname'>with_ordinal0</a>(&amp;self, ordinal0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#method.year_ce' class='fnname'>year_ce</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a> { ... }
fn <a href='#method.num_days_from_ce' class='fnname'>num_days_from_ce</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a> { ... }
}</pre><div class='docblock'><p>The common set of methods for date component.</p>
</div>
<h2 id='required-methods'>Required Methods</h2>
<div class='methods'>
<h3 id='tymethod.year' class='method'><span id='year.v' class='invisible'><code>fn <a href='#tymethod.year' class='fnname'>year</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code></span></h3><div class='docblock'><p>Returns the year number in the <a href="./naive/date/index.html#calendar-date">calendar date</a>.</p>
</div><h3 id='tymethod.month' class='method'><span id='month.v' class='invisible'><code>fn <a href='#tymethod.month' class='fnname'>month</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the month number starting from 1.</p>
<p>The return value ranges from 1 to 12.</p>
</div><h3 id='tymethod.month0' class='method'><span id='month0.v' class='invisible'><code>fn <a href='#tymethod.month0' class='fnname'>month0</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the month number starting from 0.</p>
<p>The return value ranges from 0 to 11.</p>
</div><h3 id='tymethod.day' class='method'><span id='day.v' class='invisible'><code>fn <a href='#tymethod.day' class='fnname'>day</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of month starting from 1.</p>
<p>The return value ranges from 1 to 31. (The last day of month differs by months.)</p>
</div><h3 id='tymethod.day0' class='method'><span id='day0.v' class='invisible'><code>fn <a href='#tymethod.day0' class='fnname'>day0</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of month starting from 0.</p>
<p>The return value ranges from 0 to 30. (The last day of month differs by months.)</p>
</div><h3 id='tymethod.ordinal' class='method'><span id='ordinal.v' class='invisible'><code>fn <a href='#tymethod.ordinal' class='fnname'>ordinal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of year starting from 1.</p>
<p>The return value ranges from 1 to 366. (The last day of year differs by years.)</p>
</div><h3 id='tymethod.ordinal0' class='method'><span id='ordinal0.v' class='invisible'><code>fn <a href='#tymethod.ordinal0' class='fnname'>ordinal0</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of year starting from 0.</p>
<p>The return value ranges from 0 to 365. (The last day of year differs by years.)</p>
</div><h3 id='tymethod.weekday' class='method'><span id='weekday.v' class='invisible'><code>fn <a href='#tymethod.weekday' class='fnname'>weekday</a>(&amp;self) -&gt; <a class="enum" href="../chrono/enum.Weekday.html" title="enum chrono::Weekday">Weekday</a></code></span></h3><div class='docblock'><p>Returns the day of week.</p>
</div><h3 id='tymethod.isoweekdate' class='method'><span id='isoweekdate.v' class='invisible'><code>fn <a href='#tymethod.isoweekdate' class='fnname'>isoweekdate</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="enum" href="../chrono/enum.Weekday.html" title="enum chrono::Weekday">Weekday</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span></h3><div class='docblock'><p>Returns the ISO week date: an adjusted year, week number and day of week.
The adjusted year may differ from that of the calendar date.</p>
</div><h3 id='tymethod.with_year' class='method'><span id='with_year.v' class='invisible'><code>fn <a href='#tymethod.with_year' class='fnname'>with_year</a>(&amp;self, year: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the year number changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div><h3 id='tymethod.with_month' class='method'><span id='with_month.v' class='invisible'><code>fn <a href='#tymethod.with_month' class='fnname'>with_month</a>(&amp;self, month: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the month number (starting from 1) changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div><h3 id='tymethod.with_month0' class='method'><span id='with_month0.v' class='invisible'><code>fn <a href='#tymethod.with_month0' class='fnname'>with_month0</a>(&amp;self, month0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the month number (starting from 0) changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div><h3 id='tymethod.with_day' class='method'><span id='with_day.v' class='invisible'><code>fn <a href='#tymethod.with_day' class='fnname'>with_day</a>(&amp;self, day: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the day of month (starting from 1) changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div><h3 id='tymethod.with_day0' class='method'><span id='with_day0.v' class='invisible'><code>fn <a href='#tymethod.with_day0' class='fnname'>with_day0</a>(&amp;self, day0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the day of month (starting from 0) changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div><h3 id='tymethod.with_ordinal' class='method'><span id='with_ordinal.v' class='invisible'><code>fn <a href='#tymethod.with_ordinal' class='fnname'>with_ordinal</a>(&amp;self, ordinal: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the day of year (starting from 1) changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div><h3 id='tymethod.with_ordinal0' class='method'><span id='with_ordinal0.v' class='invisible'><code>fn <a href='#tymethod.with_ordinal0' class='fnname'>with_ordinal0</a>(&amp;self, ordinal0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Makes a new value with the day of year (starting from 0) changed.</p>
<p>Returns <code>None</code> when the resulting value would be invalid.</p>
</div></div>
<h2 id='provided-methods'>Provided Methods</h2>
<div class='methods'>
<h3 id='method.year_ce' class='method'><span id='year_ce.v' class='invisible'><code>fn <a href='#method.year_ce' class='fnname'>year_ce</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span></h3><div class='docblock'><p>Returns the absolute year number starting from 1 with a boolean flag,
which is false when the year predates the epoch (BCE/BC) and true otherwise (CE/AD).</p>
</div><h3 id='method.num_days_from_ce' class='method'><span id='num_days_from_ce.v' class='invisible'><code>fn <a href='#method.num_days_from_ce' class='fnname'>num_days_from_ce</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code></span></h3><div class='docblock'><p>Returns the number of days since January 1, 1 (Day 1) in the proleptic Gregorian calendar.</p>
</div></div>
<h2 id='implementors'>Implementors</h2>
<ul class='item-list' id='implementors-list'>
<li><code>impl Datelike for <a class="struct" href="../chrono/naive/date/struct.NaiveDate.html" title="struct chrono::naive::date::NaiveDate">NaiveDate</a></code></li>
<li><code>impl Datelike for <a class="struct" href="../chrono/naive/datetime/struct.NaiveDateTime.html" title="struct chrono::naive::datetime::NaiveDateTime">NaiveDateTime</a></code></li>
<li><code>impl&lt;Tz:&nbsp;<a class="trait" href="../chrono/offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; Datelike for <a class="struct" href="../chrono/date/struct.Date.html" title="struct chrono::date::Date">Date</a>&lt;Tz&gt;</code></li>
<li><code>impl&lt;Tz:&nbsp;<a class="trait" href="../chrono/offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; Datelike for <a class="struct" href="../chrono/datetime/struct.DateTime.html" title="struct chrono::datetime::DateTime">DateTime</a>&lt;Tz&gt;</code></li>
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