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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>SRFI 19: Time Data Types and Procedures</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_0");">▼</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">SRFIs:<span class="mywbr"> </span> Libraries</a></td></tr></table></div><div class="tocviewsublistonly" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right"></td><td><a href="srfi-1.html" class="tocviewlink" data-pltdoc="x">SRFI 1:<span class="mywbr"> </span> List Library</a></td></tr><tr><td align="right"></td><td><a href="srfi-2.html" class="tocviewlink" data-pltdoc="x">SRFI 2:<span class="mywbr"> </span> AND-<wbr></wbr>LET*:<span class="mywbr"> </span> an AND with local bindings...</a></td></tr><tr><td align="right"></td><td><a href="srfi-4.html" class="tocviewlink" data-pltdoc="x">SRFI 4:<span class="mywbr"> </span> Homogeneous numeric vector datatypes</a></td></tr><tr><td align="right"></td><td><a href="srfi-5.html" class="tocviewlink" data-pltdoc="x">SRFI 5:<span class="mywbr"> </span> A compatible let form with signatures and rest arguments</a></td></tr><tr><td align="right"></td><td><a href="srfi-6.html" class="tocviewlink" data-pltdoc="x">SRFI 6:<span class="mywbr"> </span> Basic String Ports</a></td></tr><tr><td align="right"></td><td><a href="srfi-7.html" class="tocviewlink" data-pltdoc="x">SRFI 7:<span class="mywbr"> </span> Feature-<wbr></wbr>based program configuration language</a></td></tr><tr><td align="right"></td><td><a href="srfi-8.html" class="tocviewlink" data-pltdoc="x">SRFI 8:<span class="mywbr"> </span> RECEIVE:<span class="mywbr"> </span> Binding to multiple values</a></td></tr><tr><td align="right"></td><td><a href="srfi-9.html" class="tocviewlink" data-pltdoc="x">SRFI 9:<span class="mywbr"> </span> Defining Record Types</a></td></tr><tr><td align="right"></td><td><a href="srfi-11.html" class="tocviewlink" data-pltdoc="x">SRFI 11:<span class="mywbr"> </span> Syntax for receiving multiple values</a></td></tr><tr><td align="right"></td><td><a href="srfi-13.html" class="tocviewlink" data-pltdoc="x">SRFI 13:<span class="mywbr"> </span> String Libraries</a></td></tr><tr><td align="right"></td><td><a href="srfi-14.html" class="tocviewlink" data-pltdoc="x">SRFI 14:<span class="mywbr"> </span> Character-<wbr></wbr>set Library</a></td></tr><tr><td align="right"></td><td><a href="srfi-16.html" class="tocviewlink" data-pltdoc="x">SRFI 16:<span class="mywbr"> </span> Syntax for procedures of variable arity</a></td></tr><tr><td align="right"></td><td><a href="srfi-17.html" class="tocviewlink" data-pltdoc="x">SRFI 17:<span class="mywbr"> </span> Generalized set!</a></td></tr><tr><td align="right"></td><td><a href="" class="tocviewselflink" data-pltdoc="x">SRFI 19:<span class="mywbr"> </span> Time Data Types and Procedures</a></td></tr><tr><td align="right"></td><td><a href="srfi-23.html" class="tocviewlink" data-pltdoc="x">SRFI 23:<span class="mywbr"> </span> Error reporting mechanism</a></td></tr><tr><td align="right"></td><td><a href="srfi-25.html" class="tocviewlink" data-pltdoc="x">SRFI 25:<span class="mywbr"> </span> Multi-<wbr></wbr>dimensional Array Primitives</a></td></tr><tr><td align="right"></td><td><a href="srfi-26.html" class="tocviewlink" data-pltdoc="x">SRFI 26:<span class="mywbr"> </span> Notation for Specializing Parameters without Currying</a></td></tr><tr><td align="right"></td><td><a href="srfi-27.html" class="tocviewlink" data-pltdoc="x">SRFI 27:<span class="mywbr"> </span> Sources of Random Bits</a></td></tr><tr><td align="right"></td><td><a href="srfi-28.html" class="tocviewlink" data-pltdoc="x">SRFI 28:<span class="mywbr"> </span> Basic Format Strings</a></td></tr><tr><td align="right"></td><td><a href="srfi-29.html" class="tocviewlink" data-pltdoc="x">SRFI 29:<span class="mywbr"> </span> Localization</a></td></tr><tr><td align="right"></td><td><a href="srfi-30.html" class="tocviewlink" data-pltdoc="x">SRFI 30:<span class="mywbr"> </span> Nested Multi-<wbr></wbr>line Comments</a></td></tr><tr><td align="right"></td><td><a href="srfi-31.html" class="tocviewlink" data-pltdoc="x">SRFI 31:<span class="mywbr"> </span> A special form rec for recursive evaluation</a></td></tr><tr><td align="right"></td><td><a href="srfi-34.html" class="tocviewlink" data-pltdoc="x">SRFI 34:<span class="mywbr"> </span> Exception Handling for Programs</a></td></tr><tr><td align="right"></td><td><a href="srfi-35.html" class="tocviewlink" data-pltdoc="x">SRFI 35:<span class="mywbr"> </span> Conditions</a></td></tr><tr><td align="right"></td><td><a href="srfi-38.html" class="tocviewlink" data-pltdoc="x">SRFI 38:<span class="mywbr"> </span> External Representation for Data With Shared Structure</a></td></tr><tr><td align="right"></td><td><a href="srfi-39.html" class="tocviewlink" data-pltdoc="x">SRFI 39:<span class="mywbr"> </span> Parameter objects</a></td></tr><tr><td align="right"></td><td><a href="srfi-40.html" class="tocviewlink" data-pltdoc="x">SRFI 40:<span class="mywbr"> </span> A Library of Streams</a></td></tr><tr><td align="right"></td><td><a href="srfi-41.html" class="tocviewlink" data-pltdoc="x">SRFI 41:<span class="mywbr"> </span> Streams</a></td></tr><tr><td align="right"></td><td><a href="srfi-42.html" class="tocviewlink" data-pltdoc="x">SRFI 42:<span class="mywbr"> </span> Eager Comprehensions</a></td></tr><tr><td align="right"></td><td><a href="srfi-43.html" class="tocviewlink" data-pltdoc="x">SRFI 43:<span class="mywbr"> </span> Vector Library</a></td></tr><tr><td align="right"></td><td><a href="srfi-45.html" class="tocviewlink" data-pltdoc="x">SRFI 45:<span class="mywbr"> </span> Primitives for Expressing Iterative Lazy Algorithms</a></td></tr><tr><td align="right"></td><td><a href="srfi-48.html" class="tocviewlink" data-pltdoc="x">SRFI 48:<span class="mywbr"> </span> Intermediate Format Strings</a></td></tr><tr><td align="right"></td><td><a href="srfi-54.html" class="tocviewlink" data-pltdoc="x">SRFI 54:<span class="mywbr"> </span> Formatting</a></td></tr><tr><td align="right"></td><td><a href="srfi-57.html" class="tocviewlink" data-pltdoc="x">SRFI 57:<span class="mywbr"> </span> Records</a></td></tr><tr><td align="right"></td><td><a href="srfi-59.html" class="tocviewlink" data-pltdoc="x">SRFI 59:<span class="mywbr"> </span> Vicinity</a></td></tr><tr><td align="right"></td><td><a href="srfi-60.html" class="tocviewlink" data-pltdoc="x">SRFI 60:<span class="mywbr"> </span> Integers as Bits</a></td></tr><tr><td align="right"></td><td><a href="srfi-61.html" class="tocviewlink" data-pltdoc="x">SRFI 61:<span class="mywbr"> </span> A more general cond clause</a></td></tr><tr><td align="right"></td><td><a href="srfi-62.html" class="tocviewlink" data-pltdoc="x">SRFI 62:<span class="mywbr"> </span> S-<wbr></wbr>expression comments</a></td></tr><tr><td align="right"></td><td><a href="srfi-63.html" class="tocviewlink" data-pltdoc="x">SRFI 63:<span class="mywbr"> </span> Homogeneous and Heterogeneous Arrays</a></td></tr><tr><td align="right"></td><td><a href="srfi-64.html" class="tocviewlink" data-pltdoc="x">SRFI 64:<span class="mywbr"> </span> A Scheme API for test suites</a></td></tr><tr><td align="right"></td><td><a href="srfi-66.html" class="tocviewlink" data-pltdoc="x">SRFI 66:<span class="mywbr"> </span> Octet Vectors</a></td></tr><tr><td align="right"></td><td><a href="srfi-67.html" class="tocviewlink" data-pltdoc="x">SRFI 67:<span class="mywbr"> </span> Compare Procedures</a></td></tr><tr><td align="right"></td><td><a href="srfi-69.html" class="tocviewlink" data-pltdoc="x">SRFI 69:<span class="mywbr"> </span> Basic hash tables</a></td></tr><tr><td align="right"></td><td><a href="srfi-71.html" class="tocviewlink" data-pltdoc="x">SRFI 71:<span class="mywbr"> </span> Extended LET-<wbr></wbr>syntax for multiple values</a></td></tr><tr><td align="right"></td><td><a href="srfi-74.html" class="tocviewlink" data-pltdoc="x">SRFI 74:<span class="mywbr"> </span> Octet-<wbr></wbr>Addressed Binary Blocks</a></td></tr><tr><td align="right"></td><td><a href="srfi-78.html" class="tocviewlink" data-pltdoc="x">SRFI 78:<span class="mywbr"> </span> Lightweight testing</a></td></tr><tr><td align="right"></td><td><a href="srfi-86.html" class="tocviewlink" data-pltdoc="x">SRFI 86:<span class="mywbr"> </span> MU & NU simulating VALUES & CALL-<wbr></wbr>WITH-<wbr></wbr>VALUES...</a></td></tr><tr><td align="right"></td><td><a href="srfi-87.html" class="tocviewlink" data-pltdoc="x">SRFI 87:<span class="mywbr"> </span> => in case clauses</a></td></tr><tr><td align="right"></td><td><a href="srfi-98.html" class="tocviewlink" data-pltdoc="x">SRFI 98:<span class="mywbr"> </span> An interface to access environment variables</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><a href="#%28def._%28%28lib._srfi%2F19..rkt%29._lax-date~3f%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym">lax-<wbr></wbr>date?</span></a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.7", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">top</a></span><span class="navright"> <a href="srfi-17.html" title="backward to "SRFI 17: Generalized set!"" data-pltdoc="x">← prev</a> <a href="index.html" title="up to "SRFIs: Libraries"" data-pltdoc="x">up</a> <a href="srfi-23.html" title="forward to "SRFI 23: Error reporting mechanism"" data-pltdoc="x">next →</a></span> </div><h3 x-source-module="(lib "srfi/scribblings/srfi.scrbl")" x-source-pkg="srfi-doc" x-part-tag=""srfi-19""><a name="(part._srfi-19)"></a><a name="(mod-path._srfi/19)"></a>SRFI 19: Time Data Types and Procedures</h3><p><div class="SIntrapara"><table cellspacing="0" cellpadding="0" class="defmodule"><tr><td align="left"><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=require.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._require%2529%2529&version=6.7" class="RktStxLink Sq" data-pltdoc="x">require</a></span><span class="stt"> </span><a href="" class="RktModLink" data-pltdoc="x"><span class="RktSym">srfi/19</span></a><span class="RktPn">)</span></td><td align="right"><span class="RpackageSpec"><span class="Smaller"> package:</span> <span class="stt">srfi-lite-lib</span></span></td></tr></table></div><div class="SIntrapara">Original specification: <a href="./srfi-std/srfi-19.html">SRFI 19</a></div></p><p><a name="(def._((lib._srfi/19..rkt)._time-duration))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic))"></a><a name="(def._((lib._srfi/19..rkt)._time-process))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai))"></a><a name="(def._((lib._srfi/19..rkt)._time-thread))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc))"></a><a name="(def._((lib._srfi/19..rkt)._current-date))"></a><a name="(def._((lib._srfi/19..rkt)._current-julian-day))"></a><a name="(def._((lib._srfi/19..rkt)._current-modified-julian-day))"></a><a name="(def._((lib._srfi/19..rkt)._current-time))"></a><a name="(def._((lib._srfi/19..rkt)._time-resolution))"></a><a name="(def._((lib._srfi/19..rkt)._make-time))"></a><a name="(def._((lib._srfi/19..rkt)._time~3f))"></a><a name="(def._((lib._srfi/19..rkt)._time-type))"></a><a name="(def._((lib._srfi/19..rkt)._time-nanosecond))"></a><a name="(def._((lib._srfi/19..rkt)._time-second))"></a><a name="(def._((lib._srfi/19..rkt)._set-time-type!))"></a><a name="(def._((lib._srfi/19..rkt)._set-time-nanosecond!))"></a><a name="(def._((lib._srfi/19..rkt)._set-time-second!))"></a><a name="(def._((lib._srfi/19..rkt)._copy-time))"></a><a name="(def._((lib._srfi/19..rkt)._time~3c~3d~3f))"></a><a name="(def._((lib._srfi/19..rkt)._time~3c~3f))"></a><a name="(def._((lib._srfi/19..rkt)._time~3d~3f))"></a><a name="(def._((lib._srfi/19..rkt)._time~3e~3d~3f))"></a><a name="(def._((lib._srfi/19..rkt)._time~3e~3f))"></a><a name="(def._((lib._srfi/19..rkt)._time-difference))"></a><a name="(def._((lib._srfi/19..rkt)._time-difference!))"></a><a name="(def._((lib._srfi/19..rkt)._add-duration))"></a><a name="(def._((lib._srfi/19..rkt)._add-duration!))"></a><a name="(def._((lib._srfi/19..rkt)._subtract-duration))"></a><a name="(def._((lib._srfi/19..rkt)._subtract-duration!))"></a><a name="(def._((lib._srfi/19..rkt)._make-date))"></a><a name="(def._((lib._srfi/19..rkt)._date~3f))"></a><a name="(def._((lib._srfi/19..rkt)._date-nanosecond))"></a><a name="(def._((lib._srfi/19..rkt)._date-second))"></a><a name="(def._((lib._srfi/19..rkt)._date-minute))"></a><a name="(def._((lib._srfi/19..rkt)._date-hour))"></a><a name="(def._((lib._srfi/19..rkt)._date-day))"></a><a name="(def._((lib._srfi/19..rkt)._date-month))"></a><a name="(def._((lib._srfi/19..rkt)._date-year))"></a><a name="(def._((lib._srfi/19..rkt)._date-zone-offset))"></a><a name="(def._((lib._srfi/19..rkt)._date-year-day))"></a><a name="(def._((lib._srfi/19..rkt)._date-week-day))"></a><a name="(def._((lib._srfi/19..rkt)._date-week-number))"></a><a name="(def._((lib._srfi/19..rkt)._date-~3ejulian-day))"></a><a name="(def._((lib._srfi/19..rkt)._date-~3emodified-julian-day))"></a><a name="(def._((lib._srfi/19..rkt)._date-~3etime-monotonic))"></a><a name="(def._((lib._srfi/19..rkt)._date-~3etime-tai))"></a><a name="(def._((lib._srfi/19..rkt)._date-~3etime-utc))"></a><a name="(def._((lib._srfi/19..rkt)._julian-day-~3edate))"></a><a name="(def._((lib._srfi/19..rkt)._julian-day-~3etime-monotonic))"></a><a name="(def._((lib._srfi/19..rkt)._julian-day-~3etime-tai))"></a><a name="(def._((lib._srfi/19..rkt)._julian-day-~3etime-utc))"></a><a name="(def._((lib._srfi/19..rkt)._modified-julian-day-~3edate))"></a><a name="(def._((lib._srfi/19..rkt)._modified-julian-day-~3etime-monotonic))"></a><a name="(def._((lib._srfi/19..rkt)._modified-julian-day-~3etime-tai))"></a><a name="(def._((lib._srfi/19..rkt)._modified-julian-day-~3etime-utc))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3edate))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3ejulian-day))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3emodified-julian-day))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3etime-tai))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3etime-tai!))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3etime-utc))"></a><a name="(def._((lib._srfi/19..rkt)._time-monotonic-~3etime-utc!))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3edate))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3ejulian-day))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3emodified-julian-day))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3etime-monotonic))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3etime-monotonic!))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3etime-utc))"></a><a name="(def._((lib._srfi/19..rkt)._time-tai-~3etime-utc!))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3edate))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3ejulian-day))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3emodified-julian-day))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3etime-monotonic))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3etime-monotonic!))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3etime-tai))"></a><a name="(def._((lib._srfi/19..rkt)._time-utc-~3etime-tai!))"></a><a name="(def._((lib._srfi/19..rkt)._date-~3estring))"></a><a name="(def._((lib._srfi/19..rkt)._string-~3edate))"></a></p><p>The date structure produced by this SRFI library is identical
to the one provided by <a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=index.html&version=6.7" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/base</span></a> in most cases
(see <span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=time.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._date%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">date</a></span>).</p><p>For backwards compatibility, when an invalid date field value is
provided to the SRFI constructor, the constructor will produce a lax
date structure. A lax date structure is <span style="font-style: italic">not</span> compatible with
functions from <a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=index.html&version=6.7" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/base</span></a> or
<a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=time.html%23%2528mod-path._racket%252Fdate%2529&version=6.7" class="RktModLink Sq" data-pltdoc="x"><span class="RktSym">racket/date</span></a>. SRFI functions such as
<span class="RktSym">string->date</span> may return a lax date structure depending on the
format string.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._srfi/19..rkt)._lax-date~3f))"></a><span title="Provided from: srfi/19 | Package: srfi-lite-lib"><span class="RktSym"><span class="RktSymDef RktSym">lax-date?</span></span></span><span class="hspace"> </span><span class="RktVar">v</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=booleans.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._boolean%7E3f%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">boolean?</a></span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">v</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktSym">any/c</span></td></tr></table></blockquote></div><div class="SIntrapara">Returns <span class="RktVal">#t</span> if <span class="RktVar">v</span> is a lax date structure. Otherwise
returns <span class="RktVal">#f</span>.</div></p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym">lax-date?</span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=time.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._make-date%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">make-date</a></span><span class="hspace"> </span><span class="RktVal">0</span><span class="hspace"> </span><span class="RktVal">19</span><span class="hspace"> </span><span class="RktVal">10</span><span class="hspace"> </span><span class="RktVal">10</span><span class="hspace"> </span><span class="RktVal">14</span><span class="hspace"> </span><span class="RktVal">"bogus"</span><span class="hspace"> </span><span class="RktVal">"bogus"</span><span class="hspace"> </span><span class="RktVal">0</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#t</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym">lax-date?</span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=time.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._make-date%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">make-date</a></span><span class="hspace"> </span><span class="RktVal">0</span><span class="hspace"> </span><span class="RktVal">19</span><span class="hspace"> </span><span class="RktVal">10</span><span class="hspace"> </span><span class="RktVal">10</span><span class="hspace"> </span><span class="RktVal">14</span><span class="hspace"> </span><span class="RktVal">1</span><span class="hspace"> </span><span class="RktVal">2013</span><span class="hspace"> </span><span class="RktVal">0</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym">lax-date?</span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym">string->date</span><span class="hspace"> </span><span class="RktVal">"10:21:00"</span><span class="hspace"> </span><span class="RktVal">"~H:~M:~S"</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#t</span></p></td></tr></table></blockquote></div></p><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.7", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">top</a></span><span class="navright"> <a href="srfi-17.html" title="backward to "SRFI 17: Generalized set!"" data-pltdoc="x">← prev</a> <a href="index.html" title="up to "SRFIs: Libraries"" data-pltdoc="x">up</a> <a href="srfi-23.html" title="forward to "SRFI 23: Error reporting mechanism"" data-pltdoc="x">next →</a></span> </div></div></div><div id="contextindicator"> </div></body></html>
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