Google, Amazon, Metaは内部でUTCでなくTAIを使えばいいだけ。UTC参照が必要なときにUTC-TAIを加えればよい。localtimeが必要なときにtimezoneに合わせて時差を加えるのと同じ。

kamenoseiji のブックマーク 2022/08/04 22:07

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/entry/4723330468563124034/comment/kamenoseiji" data-user-id="kamenoseiji" data-entry-url="https://b.hatena.ne.jp/entry/s/www.gizmodo.jp/2022/08/negative-leap-second.html" data-original-href="https://www.gizmodo.jp/2022/08/negative-leap-second.html" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fwww.gizmodo.jp%2F2022%2F08%2Fnegative-leap-second.html" data-user-icon="/users/kamenoseiji/profile.png">地球の自転が高速化して｢負のうるう秒｣が来そう。Google、Amazon、Metaは猛反対</a><br><div class="tategaki" style="margin-top:10px;width:100%;">
<br style="display:none" /><span class="tktr-gyo" style="height:640px;margin:0 19px 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="latin" style="width:19px;height:19px;">G</span><span class="latin" style="width:19px;height:19px;">o</span><span class="latin" style="width:19px;height:19px;">o</span><span class="latin" style="width:19px;height:19px;">g</span><span class="latin" style="width:19px;height:19px;">l</span><span class="latin" style="width:19px;height:19px;">e</span><span class="latin" style="width:19px;height:19px;">,</span><span class="latin" style="display:block;width:19px;height:19px;"> </span><span class="latin" style="width:19px;height:19px;">A</span><span class="latin" style="width:19px;height:19px;">m</span><span class="latin" style="width:19px;height:19px;">a</span><span class="latin" style="width:19px;height:19px;">z</span><span class="latin" style="width:19px;height:19px;">o</span><span class="latin" style="width:19px;height:19px;">n</span><span class="latin" style="width:19px;height:19px;">,</span><span class="latin" style="display:block;width:19px;height:19px;"> </span><span class="latin" style="width:19px;height:19px;">M</span><span class="latin" style="width:19px;height:19px;">e</span><span class="latin" style="width:19px;height:19px;">t</span><span class="latin" style="width:19px;height:19px;">a</span><span class="char"">は</span><span class="char"">内</span><span class="char"">部</span><span class="char"">で</span><span class="latin" style="width:19px;height:19px;">U</span><span class="latin" style="width:19px;height:19px;">T</span><span class="latin" style="width:19px;height:19px;">C</span><span class="char"">で</span><span class="char"">な</span><span class="char"">く</span><span class="latin" style="width:19px;height:19px;">T</span><span class="latin" style="width:19px;height:19px;">A</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="latin" style="width:19px;height:19px;">I</span><span class="char"">を</span><span class="char"">使</span><span class="char"">え</span><span class="char"">ば</span><span class="char"">い</span><span class="char"">い</span><span class="char"">だ</span><span class="char"">け</span><span class="ku-ten">。</span><span class="latin" style="width:19px;height:19px;">U</span><span class="latin" style="width:19px;height:19px;">T</span><span class="latin" style="width:19px;height:19px;">C</span><span class="char"">参</span><span class="char"">照</span><span class="char"">が</span><span class="char"">必</span><span class="char"">要</span><span class="char"">な</span><span class="char"">と</span><span class="char"">き</span><span class="char"">に</span><span class="latin" style="width:19px;height:19px;">U</span><span class="latin" style="width:19px;height:19px;">T</span><span class="latin" style="width:19px;height:19px;">C</span><span class="latin" style="width:19px;height:19px;">-</span><span class="latin" style="width:19px;height:19px;">T</span><span class="latin" style="width:19px;height:19px;">A</span><span class="latin" style="width:19px;height:19px;">I</span><span class="char"">を</span><span class="char"">加</span><span class="char"">え</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">れ</span><span class="char"">ば</span><span class="char"">よ</span><span class="char"">い</span><span class="ku-ten">。</span><span class="latin" style="width:19px;height:19px;">l</span><span class="latin" style="width:19px;height:19px;">o</span><span class="latin" style="width:19px;height:19px;">c</span><span class="latin" style="width:19px;height:19px;">a</span><span class="latin" style="width:19px;height:19px;">l</span><span class="latin" style="width:19px;height:19px;">t</span><span class="latin" style="width:19px;height:19px;">i</span><span class="latin" style="width:19px;height:19px;">m</span><span class="latin" style="width:19px;height:19px;">e</span><span class="char"">が</span><span class="char"">必</span><span class="char"">要</span><span class="char"">な</span><span class="char"">と</span><span class="char"">き</span><span class="char"">に</span><span class="latin" style="width:19px;height:19px;">t</span><span class="latin" style="width:19px;height:19px;">i</span><span class="latin" style="width:19px;height:19px;">m</span><span class="latin" style="width:19px;height:19px;">e</span><span class="latin" style="width:19px;height:19px;">z</span><span class="latin" style="width:19px;height:19px;">o</span><span class="latin" style="width:19px;height:19px;">n</span><span class="latin" style="width:19px;height:19px;">e</span><span class="char"">に</span><span class="char"">合</span><span class="char"">わ</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">せ</span><span class="char"">て</span><span class="char"">時</span><span class="char"">差</span><span class="char"">を</span><span class="char"">加</span><span class="char"">え</span><span class="char"">る</span><span class="char"">の</span><span class="char"">と</span><span class="char"">同</span><span class="char"">じ</span><span class="ku-ten">。</span><br style="display:none" /></span>
<span style="display:block;clear:right"></span></div><a class="datetime" href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/kamenoseiji/20220804#bookmark-4723330468563124034"><span class="datetime-body">2022/08/04 22:07</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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地球の自転が高速化して｢負のうるう秒｣が来そう。Google、Amazon、Metaは猛反対

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地球の自転が高速化して﹁負のうるう秒﹂が来そう。Google、Amazon、Metaは猛反対2022.08.03 23:0065,403 satomi なんせ1秒減らす﹁負のうるう年﹂は初めて。やれる気がしません。年末カウントダウンで午前零時を2回... 78人がブックマーク・14件のコメント

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