{"description":"\u306f\u3058\u3081\u306b \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306b\u304a\u3051\u308b\u65e5\u4ed8\u306e\u6271\u3044\u65b9 UTC\uff08\u5354\u5b9a\u4e16\u754c\u6642\uff09 UNIX\u6642\u9593 \u5404\u8a00\u8a9e\u306b\u304a\u3051\u308b\u65e5\u4ed8\u578b \u57fa\u6e96\u306e\u6642\u8a08 \u65e5\u4ed8\u306e\u53d7\u3051\u6e21\u3057 \u66d6\u6627\u306a\u8868\u73fe\u306e\u5371\u967a\u6027 RFC 3339 \u6642\u5dee\u30fb\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u6271\u3044\u65b9 \u5909\u63db\u306e\u8cac\u4efb\u3092\u660e\u78ba\u306b\u3059\u308b \u590f\u6642\u9593\uff08DST\uff09\u3078\u306e\u5bfe\u5fdc \u65e5\u4ed8\u306e\u307f\u306e\u6271\u3044 \u65e5\u6642\u306e\u7bc4\u56f2\u306e\u6271\u3044\u65b9 \u9589\u533a\u9593\u3068\u958b\u533a\u9593 NULL \u3084\u7279\u6b8a\u5024\u306e\u6271\u3044 NULL \u3092\u4f7f\u3046\u5834\u5408 \u7cbe\u5ea6\u3068\u533a\u9593\u306e\u95a2\u4fc2 \u304a\u308f\u308a\u306b \u53c2\u8003\u6587\u732e \u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u62c5\u5f53\u306e\u66fd\u6211\u3067\u3059\u3002 \u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306b\u304a\u3044\u3066\u300c\u65e5\u6642\u306e\u6271\u3044\u300d\u306f\u3001\u307b\u307c\u3059\u3079\u3066\u306e\u9818\u57df\u3067\u767b\u5834\u3059\u308b\u30c6\u30fc\u30de\u3067\u3059\u3002 \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u60c5\u5831\u8868\u793a\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u51e6\u7406\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u8a18\u9332\u3001\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u9023\u643a\u306a\u3069\u2026","type":"rich","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fengineers.fenrir-inc.com%2Fentry%2F2025%2F10%2F14%2F120512\" title=\"Web\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3089\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u65e5\u6642\u306e\u6271\u3044 - Fenrir Engineers\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","provider_name":"Hatena Blog","image_url":null,"blog_title":"Fenrir Engineers","categories":["Web \u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3089\u77e5\u3063\u3066\u304a\u304d\u305f\u3044"],"url":"https://engineers.fenrir-inc.com/entry/2025/10/14/120512","title":"Web\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3089\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u65e5\u6642\u306e\u6271\u3044","version":"1.0","author_url":"https://blog.hatena.ne.jp/soags/","blog_url":"https://engineers.fenrir-inc.com/","author_name":"soags","published":"2025-10-14 12:05:12","width":"100%"}