File: //usr/share/doc/python-docs-2.4.3/html/lib/datetime-time.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<link rel="STYLESHEET" href="lib.css" type='text/css' />
<link rel="SHORTCUT ICON" href="../icons/pyfav.png" type="image/png" />
<link rel='start' href='../index.html' title='Python Documentation Index' />
<link rel="first" href="lib.html" title='Python Library Reference' />
<link rel='contents' href='contents.html' title="Contents" />
<link rel='index' href='genindex.html' title='Index' />
<link rel='last' href='about.html' title='About this document...' />
<link rel='help' href='about.html' title='About this document...' />
<link rel="next" href="datetime-tzinfo.html" />
<link rel="prev" href="datetime-datetime.html" />
<link rel="parent" href="module-datetime.html" />
<link rel="next" href="datetime-tzinfo.html" />
<meta name='aesop' content='information' />
<title>6.10.5 time Objects </title>
</head>
<body>
<DIV CLASS="navigation">
<div id='top-navigation-panel' xml:id='top-navigation-panel'>
<table align="center" width="100%" cellpadding="0" cellspacing="2">
<tr>
<td class='online-navigation'><a rel="prev" title="6.10.4 datetime Objects"
href="datetime-datetime.html"><img src='../icons/previous.png'
border='0' height='32' alt='Previous Page' width='32' /></A></td>
<td class='online-navigation'><a rel="parent" title="6.10 datetime "
href="module-datetime.html"><img src='../icons/up.png'
border='0' height='32' alt='Up One Level' width='32' /></A></td>
<td class='online-navigation'><a rel="next" title="6.10.6 tzinfo Objects"
href="datetime-tzinfo.html"><img src='../icons/next.png'
border='0' height='32' alt='Next Page' width='32' /></A></td>
<td align="center" width="100%">Python Library Reference</td>
<td class='online-navigation'><a rel="contents" title="Table of Contents"
href="contents.html"><img src='../icons/contents.png'
border='0' height='32' alt='Contents' width='32' /></A></td>
<td class='online-navigation'><a href="modindex.html" title="Module Index"><img src='../icons/modules.png'
border='0' height='32' alt='Module Index' width='32' /></a></td>
<td class='online-navigation'><a rel="index" title="Index"
href="genindex.html"><img src='../icons/index.png'
border='0' height='32' alt='Index' width='32' /></A></td>
</tr></table>
<div class='online-navigation'>
<b class="navlabel">Previous:</b>
<a class="sectref" rel="prev" href="datetime-datetime.html">6.10.4 datetime Objects</A>
<b class="navlabel">Up:</b>
<a class="sectref" rel="parent" href="module-datetime.html">6.10 datetime </A>
<b class="navlabel">Next:</b>
<a class="sectref" rel="next" href="datetime-tzinfo.html">6.10.6 tzinfo Objects</A>
</div>
<hr /></div>
</DIV>
<!--End of Navigation Panel-->
<H2><A NAME="SECTION0081050000000000000000"></A><A NAME="datetime-time"></A>
<BR>
6.10.5 <tt class="class">time</tt> Objects
</H2>
<P>
A time object represents a (local) time of day, independent of any
particular day, and subject to adjustment via a <tt class="class">tzinfo</tt> object.
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><span class="typelabel">class</span> <tt id='l2h-1924' xml:id='l2h-1924' class="class">time</tt></b>(</nobr></td>
<td><var>hour</var><big>[</big><var>, minute</var><big>[</big><var>, second</var><big>[</big><var>,
microsecond</var><big>[</big><var>, tzinfo</var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var>)</td></tr></table></dt>
<dd>
All arguments are optional. <var>tzinfo</var> may be <code>None</code>, or
an instance of a <tt class="class">tzinfo</tt> subclass. The remaining arguments
may be ints or longs, in the following ranges:
<P>
<UL>
<LI><code>0 <= <var>hour</var> < 24</code>
</LI>
<LI><code>0 <= <var>minute</var> < 60</code>
</LI>
<LI><code>0 <= <var>second</var> < 60</code>
</LI>
<LI><code>0 <= <var>microsecond</var> < 1000000</code>.
</LI>
</UL>
<P>
If an argument outside those ranges is given,
<tt class="exception">ValueError</tt> is raised. All default to <code>0</code> except
<var>tzinfo</var>, which defaults to <tt class="constant">None</tt>.
</dl>
<P>
Class attributes:
<P>
<dl><dt><b><tt id='l2h-1925' xml:id='l2h-1925' class="member">min</tt></b></dt>
<dd>
The earliest representable <tt class="class">time</tt>, <code>time(0, 0, 0, 0)</code>.
</dl>
<P>
<dl><dt><b><tt id='l2h-1926' xml:id='l2h-1926' class="member">max</tt></b></dt>
<dd>
The latest representable <tt class="class">time</tt>, <code>time(23, 59, 59, 999999)</code>.
</dl>
<P>
<dl><dt><b><tt id='l2h-1927' xml:id='l2h-1927' class="member">resolution</tt></b></dt>
<dd>
The smallest possible difference between non-equal <tt class="class">time</tt>
objects, <code>timedelta(microseconds=1)</code>, although note that
arithmetic on <tt class="class">time</tt> objects is not supported.
</dl>
<P>
Instance attributes (read-only):
<P>
<dl><dt><b><tt id='l2h-1928' xml:id='l2h-1928' class="member">hour</tt></b></dt>
<dd>
In <code>range(24)</code>.
</dl>
<P>
<dl><dt><b><tt id='l2h-1929' xml:id='l2h-1929' class="member">minute</tt></b></dt>
<dd>
In <code>range(60)</code>.
</dl>
<P>
<dl><dt><b><tt id='l2h-1930' xml:id='l2h-1930' class="member">second</tt></b></dt>
<dd>
In <code>range(60)</code>.
</dl>
<P>
<dl><dt><b><tt id='l2h-1931' xml:id='l2h-1931' class="member">microsecond</tt></b></dt>
<dd>
In <code>range(1000000)</code>.
</dl>
<P>
<dl><dt><b><tt id='l2h-1932' xml:id='l2h-1932' class="member">tzinfo</tt></b></dt>
<dd>
The object passed as the tzinfo argument to the <tt class="class">time</tt>
constructor, or <code>None</code> if none was passed.
</dl>
<P>
Supported operations:
<P>
<UL>
<LI>comparison of <tt class="class">time</tt> to <tt class="class">time</tt>,
where <var>a</var> is considered less than <var>b</var> when <var>a</var> precedes
<var>b</var> in time. If one comparand is naive and the other is aware,
<tt class="exception">TypeError</tt> is raised. If both comparands are aware, and
have the same <tt class="member">tzinfo</tt> member, the common <tt class="member">tzinfo</tt>
member is ignored and the base times are compared. If both
comparands are aware and have different <tt class="member">tzinfo</tt> members,
the comparands are first adjusted by subtracting their UTC offsets
(obtained from <code>self.utcoffset()</code>).
In order to stop mixed-type comparisons from falling back to the
default comparison by object address, when a <tt class="class">time</tt> object is
compared to an object of a different type, <tt class="exception">TypeError</tt> is
raised unless the comparison is <code>==</code> or <code>!=</code>. The latter
cases return <tt class="constant">False</tt> or <tt class="constant">True</tt>, respectively.
<P>
</LI>
<LI>hash, use as dict key
<P>
</LI>
<LI>efficient pickling
<P>
</LI>
<LI>in Boolean contexts, a <tt class="class">time</tt> object is considered to be
true if and only if, after converting it to minutes and
subtracting <tt class="method">utcoffset()</tt> (or <code>0</code> if that's
<code>None</code>), the result is non-zero.
</LI>
</UL>
<P>
Instance methods:
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1933' xml:id='l2h-1933' class="method">replace</tt></b>(</nobr></td>
<td><var></var><big>[</big><var>hour</var><big>[</big><var>, minute</var><big>[</big><var>,
second</var><big>[</big><var>, microsecond</var><big>[</big><var>,
tzinfo</var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var><big>]</big><var></var>)</td></tr></table></dt>
<dd>
Return a <tt class="class">time</tt> with the same value, except for those members given
new values by whichever keyword arguments are specified. Note that
<code>tzinfo=None</code> can be specified to create a naive <tt class="class">time</tt> from
an aware <tt class="class">time</tt>, without conversion of the time members.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1934' xml:id='l2h-1934' class="method">isoformat</tt></b>(</nobr></td>
<td><var></var>)</td></tr></table></dt>
<dd>
Return a string representing the time in ISO 8601 format,
HH:MM:SS.mmmmmm
or, if self.microsecond is 0,
HH:MM:SS
If <tt class="method">utcoffset()</tt> does not return <code>None</code>, a 6-character
string is appended, giving the UTC offset in (signed) hours and
minutes:
HH:MM:SS.mmmmmm+HH:MM
or, if self.microsecond is 0,
HH:MM:SS+HH:MM
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1935' xml:id='l2h-1935' class="method">__str__</tt></b>(</nobr></td>
<td><var></var>)</td></tr></table></dt>
<dd>
For a time <var>t</var>, <code>str(<var>t</var>)</code> is equivalent to
<code><var>t</var>.isoformat()</code>.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1936' xml:id='l2h-1936' class="method">strftime</tt></b>(</nobr></td>
<td><var>format</var>)</td></tr></table></dt>
<dd>
Return a string representing the time, controlled by an explicit
format string. See the section on <tt class="method">strftime()</tt> behavior.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1937' xml:id='l2h-1937' class="method">utcoffset</tt></b>(</nobr></td>
<td><var></var>)</td></tr></table></dt>
<dd>
If <tt class="member">tzinfo</tt> is <code>None</code>, returns <code>None</code>, else
returns <code><var>self</var>.tzinfo.utcoffset(None)</code>, and
raises an exception if the latter doesn't return <code>None</code> or
a <tt class="class">timedelta</tt> object representing a whole number of minutes
with magnitude less than one day.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1938' xml:id='l2h-1938' class="method">dst</tt></b>(</nobr></td>
<td><var></var>)</td></tr></table></dt>
<dd>
If <tt class="member">tzinfo</tt> is <code>None</code>, returns <code>None</code>, else
returns <code><var>self</var>.tzinfo.dst(None)</code>, and
raises an exception if the latter doesn't return <code>None</code>, or
a <tt class="class">timedelta</tt> object representing a whole number of minutes
with magnitude less than one day.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-1939' xml:id='l2h-1939' class="method">tzname</tt></b>(</nobr></td>
<td><var></var>)</td></tr></table></dt>
<dd>
If <tt class="member">tzinfo</tt> is <code>None</code>, returns <code>None</code>, else
returns <code><var>self</var>.tzinfo.tzname(None)</code>, or
raises an exception if the latter doesn't return <code>None</code> or
a string object.
</dl>
<P>
<DIV CLASS="navigation">
<div class='online-navigation'>
<p></p><hr />
<table align="center" width="100%" cellpadding="0" cellspacing="2">
<tr>
<td class='online-navigation'><a rel="prev" title="6.10.4 datetime Objects"
href="datetime-datetime.html"><img src='../icons/previous.png'
border='0' height='32' alt='Previous Page' width='32' /></A></td>
<td class='online-navigation'><a rel="parent" title="6.10 datetime "
href="module-datetime.html"><img src='../icons/up.png'
border='0' height='32' alt='Up One Level' width='32' /></A></td>
<td class='online-navigation'><a rel="next" title="6.10.6 tzinfo Objects"
href="datetime-tzinfo.html"><img src='../icons/next.png'
border='0' height='32' alt='Next Page' width='32' /></A></td>
<td align="center" width="100%">Python Library Reference</td>
<td class='online-navigation'><a rel="contents" title="Table of Contents"
href="contents.html"><img src='../icons/contents.png'
border='0' height='32' alt='Contents' width='32' /></A></td>
<td class='online-navigation'><a href="modindex.html" title="Module Index"><img src='../icons/modules.png'
border='0' height='32' alt='Module Index' width='32' /></a></td>
<td class='online-navigation'><a rel="index" title="Index"
href="genindex.html"><img src='../icons/index.png'
border='0' height='32' alt='Index' width='32' /></A></td>
</tr></table>
<div class='online-navigation'>
<b class="navlabel">Previous:</b>
<a class="sectref" rel="prev" href="datetime-datetime.html">6.10.4 datetime Objects</A>
<b class="navlabel">Up:</b>
<a class="sectref" rel="parent" href="module-datetime.html">6.10 datetime </A>
<b class="navlabel">Next:</b>
<a class="sectref" rel="next" href="datetime-tzinfo.html">6.10.6 tzinfo Objects</A>
</div>
</div>
<hr />
<span class="release-info">Release 2.4.3, documentation updated on 29 March 2006.</span>
</DIV>
<!--End of Navigation Panel-->
<ADDRESS>
See <i><a href="about.html">About this document...</a></i> for information on suggesting changes.
</ADDRESS>
</BODY>
</HTML>