From a5bfa66a1e1d40eb4979f90088b1f9a5c780bd4b Mon Sep 17 00:00:00 2001
From: Richard Gibson <richard.gibson@gmail.com>
Date: Thu, 1 Jun 2023 14:57:38 -0400
Subject: [PATCH 1/2] Normative: Limit time zone offset precision to minutes
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This aligns with
https://www.ietf.org/archive/id/draft-ietf-sedate-datetime-extended-08.html#section-4 ,
which allows expression of UTC offsets per RFC 3339 `time-numoffset`.
https://www.rfc-editor.org/rfc/rfc3339#section-5.6
> time-minute     = 2DIGIT  ; 00-59
> …
> time-numoffset  = ("+" / "-") time-hour ":" time-minute
---
 spec.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec.html b/spec.html
index 137adf3bde..fc0bd82aee 100644
--- a/spec.html
+++ b/spec.html
@@ -32221,7 +32221,7 @@ <h1>
         <h1>DefaultTimeZone ( ): a String</h1>
         <dl class="header">
           <dt>description</dt>
-          <dd>It returns a String value representing the host environment's current time zone, which is either a String representing a UTC offset for which IsTimeZoneOffsetString returns *true*, or a String identifier accepted by GetNamedTimeZoneEpochNanoseconds and GetNamedTimeZoneOffsetNanoseconds.</dd>
+          <dd>It returns a String value representing the host environment's current time zone, which is either a String representing a UTC offset for which IsTimeZoneOffsetString returns *true* and ParseTimeZoneOffsetString returns an integer evenly divisible by 6 × 10<sup>10</sup> (i.e., an offset in which all units smaller than minutes are 0), or a String identifier accepted by GetNamedTimeZoneEpochNanoseconds and GetNamedTimeZoneOffsetNanoseconds.</dd>
         </dl>
 
         <p>An ECMAScript implementation that includes the ECMA-402 Internationalization API must implement the DefaultTimeZone abstract operation as specified in the ECMA-402 specification.</p>

From b2c947a8a3f4e0758ebaa235812989dd4c83a0fe Mon Sep 17 00:00:00 2001
From: Richard Gibson <richard.gibson@gmail.com>
Date: Wed, 30 Aug 2023 17:18:28 -0400
Subject: [PATCH 2/2] fixup! Normative: Limit time zone offset precision to
 minutes

---
 spec.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec.html b/spec.html
index fc0bd82aee..5e31a2737b 100644
--- a/spec.html
+++ b/spec.html
@@ -32221,7 +32221,7 @@ <h1>
         <h1>DefaultTimeZone ( ): a String</h1>
         <dl class="header">
           <dt>description</dt>
-          <dd>It returns a String value representing the host environment's current time zone, which is either a String representing a UTC offset for which IsTimeZoneOffsetString returns *true* and ParseTimeZoneOffsetString returns an integer evenly divisible by 6 × 10<sup>10</sup> (i.e., an offset in which all units smaller than minutes are 0), or a String identifier accepted by GetNamedTimeZoneEpochNanoseconds and GetNamedTimeZoneOffsetNanoseconds.</dd>
+          <dd>It returns a String _id_ representing the host environment's current time zone as either an offset time zone or as an available named time zone identifier. In the former case, IsTimeZoneOffsetString(_id_) returns *true* and ParseTimeZoneOffsetString(_id_) returns an integer evenly divisible by 6 × 10<sup>10</sup> (i.e., any second and fractional second units in _id_ are 0). In the latter case, the result from AvailableNamedTimeZoneIdentifiers() contains a Time Zone Identifier Record _r_ such that _r_.[[Identifier]] is _id_, and _id_ is valid as the first argument to GetNamedTimeZoneEpochNanoseconds and GetNamedTimeZoneOffsetNanoseconds.</dd>
         </dl>
 
         <p>An ECMAScript implementation that includes the ECMA-402 Internationalization API must implement the DefaultTimeZone abstract operation as specified in the ECMA-402 specification.</p>