<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>日期格式 on PlumePHP</title><link>https://plumephp.com/tags/%E6%97%A5%E6%9C%9F%E6%A0%BC%E5%BC%8F/</link><description>Recent content in 日期格式 on PlumePHP</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Sun, 25 Oct 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://plumephp.com/tags/%E6%97%A5%E6%9C%9F%E6%A0%BC%E5%BC%8F/index.xml" rel="self" type="application/rss+xml"/><item><title>时区、日期与数字：存 UTC，显示本地</title><link>https://plumephp.com/indie-global-07-time-date-number/</link><pubDate>Fri, 23 Oct 2026 18:10:00 +0800</pubDate><guid>https://plumephp.com/indie-global-07-time-date-number/</guid><description>把时间一律存成 UTC 并不够：每天九点的提醒如果按 UTC 存，夏令时切换后就会变成八点或十点。时区、日期、数字与货币各有自己的坑——不存在与重复的本地时刻、每周从周几开始、日元没有小数位、电话号码不能存本地格式。这一篇给一套存储与显示的分离规则。</description></item></channel></rss>