[{"data":1,"prerenderedAt":221},["ShallowReactive",2],{"page:/zh-TW/guides/iso-8601-and-unix-time":3},{"id":4,"title":5,"body":6,"description":207,"extension":208,"eyebrow":209,"faq":210,"locale":211,"meta":212,"navigation":213,"pageType":214,"path":215,"related":210,"seo":216,"stem":219,"__hash__":220},"pages/zh-TW/guides/iso-8601-and-unix-time.md","ISO 8601 與 Unix 時間",{"type":7,"value":8,"toc":195},"minimark",[9,13,30,33,45,48,51,55,58,62,119,128,131,148,158,162,165,180,183],[10,11,12],"h2",{"id":12},"數字與格式化日期",[14,15,16,17,21,22,25,26,29],"p",{},"Unix 時間戳精簡且方便計算；ISO 8601 易讀，並能聲明 UTC 偏移。",[18,19,20],"code",{},"2023-11-14T22:13:20Z"," 中的 ",[18,23,24],{},"Z"," 表示 UTC，對應 Unix 時間戳 ",[18,27,28],{},"1700000000"," 秒。",[10,31,32],{"id":32},"保持同一時刻",[14,34,35,37,38,41,42,44],{},[18,36,20],{}," 與 ",[18,39,40],{},"2023-11-15T06:13:20+08:00"," 描述同一時刻，轉換為 Unix 時間後會得到相同數值。若 ISO 字串沒有 ",[18,43,24],{}," 或偏移，就必須由外部規則說明它屬於哪個時區。",[10,46,47],{"id":47},"往返轉換的選擇",[14,49,50],{},"供人閱讀的日誌和資料交換，適合使用帶有明確偏移的 ISO 字串；需要精簡儲存和算術處理時，可使用清楚記錄單位的 Unix 數值。來源資料包含有效小數秒時，應在往返過程保留精度。",[10,52,54],{"id":53},"iso-8601-與-rfc-3339","ISO 8601 與 RFC 3339",[14,56,57],{},"RFC 3339 是面向網際網路時間戳的較受限格式子集。實際 API 中應查看欄位規格，不要只憑字串外觀猜測是否允許省略偏移或採用不常見日期形式。",[10,59,61],{"id":60},"帶偏移的日期與-unix-時間","帶偏移的日期與 Unix 時間",[63,64,65,78],"table",{},[66,67,68],"thead",{},[69,70,71,75],"tr",{},[72,73,74],"th",{},"表示方式",[72,76,77],{},"同一時刻的值",[79,80,81,91,100,110],"tbody",{},[69,82,83,87],{},[84,85,86],"td",{},"UTC",[84,88,89],{},[18,90,20],{},[69,92,93,96],{},[84,94,95],{},"北京偏移",[84,97,98],{},[18,99,40],{},[69,101,102,105],{},[84,103,104],{},"紐約偏移",[84,106,107],{},[18,108,109],{},"2023-11-14T17:13:20-05:00",[69,111,112,115],{},[84,113,114],{},"Unix 秒",[84,116,117],{},[18,118,28],{},[14,120,121,122,124,125,127],{},"末尾的 ",[18,123,24],{}," 表示 UTC 零偏移；帶正負號的偏移說明顯示鐘點與 UTC 相差多少。移除偏移後，日期需要來源時區才能確定時刻。替北京鐘點直接加上 ",[18,126,24],{}," 是宣稱它為 UTC，會改變含義，並未完成換算。",[10,129,130],{"id":130},"按步驟核對往返轉換",[14,132,133,134,139,140,142,143,147],{},"在",[135,136,138],"a",{"href":137},"/zh-TW/timestamp-to-date/","時間戳轉換器","輸入 ",[18,141,28],{},"，選擇秒並複製 ISO 輸出。再到",[135,144,146],{"href":145},"/zh-TW/date-to-timestamp/","日期轉時間戳","，輸入 2023 年 11 月 14 日 22:13:20、選擇 UTC 與秒，結果應回到同一個整數。",[14,149,150,153,154,157],{},[18,151,152],{},"2023-11-14T22:13:20.123Z"," 對應 ",[18,155,156],{},"1700000000123"," 毫秒。目標系統若只支援整數秒，就無法保留 123 毫秒。交換資料前應確認雙方精度，不只是核對日期格式。",[10,159,161],{"id":160},"什麼格式適合介面","什麼格式適合介面？",[14,163,164],{},"ISO 8601 涵蓋的形式比許多解析器支援的更多。RFC 3339 是網際網路交換使用的較窄約定；擴展日期、鐘點與明確偏移通常較便於相容。",[14,166,167,170,171,174,175,179],{},[18,168,169],{},"[America/New_York]"," 後綴附帶 IANA 時區名稱，但並非所有 ISO 或 RFC 3339 解析器都接受。一般介面優先使用 UTC ISO 輸出，地區排程另存時區。避免 ",[18,172,173],{},"03/04/2026"," 這類順序不明的日期；缺少偏移時參考",[135,176,178],{"href":177},"/zh-TW/guides/time-zones-and-dst/","時區與日光節約時間","解讀。",[10,181,182],{"id":182},"標準與執行環境參考",[184,185,186],"ul",{},[187,188,189],"li",{},[135,190,194],{"href":191,"rel":192},"https://www.rfc-editor.org/rfc/rfc3339",[193],"nofollow","RFC 3339",{"title":196,"searchDepth":197,"depth":197,"links":198},"",2,[199,200,201,202,203,204,205,206],{"id":12,"depth":197,"text":12},{"id":32,"depth":197,"text":32},{"id":47,"depth":197,"text":47},{"id":53,"depth":197,"text":54},{"id":60,"depth":197,"text":61},{"id":130,"depth":197,"text":130},{"id":160,"depth":197,"text":161},{"id":182,"depth":197,"text":182},"比較數字 epoch 與易讀 ISO 8601 日期，理解偏移、Z 標記和安全往返轉換。","md","指南 / 格式",null,"zh-TW",{},true,"guide","/zh-tw/guides/iso-8601-and-unix-time",{"title":217,"description":218},"ISO 8601 與 Unix 時間戳 — 日期、Z 和 UTC 偏移","比較 ISO 8601 日期字串與 Unix 時間戳，理解 Z、UTC 偏移與安全往返轉換。","zh-TW/guides/iso-8601-and-unix-time","Lxh4iTHXijeEVBwZXK_JvqOaalj62jZ3kVKe5JlJ2yg",1792032486395]