[{"data":1,"prerenderedAt":161},["ShallowReactive",2],{"page:/zh-TW/time-zone-converter":3},{"id":4,"title":5,"body":6,"description":137,"extension":138,"eyebrow":139,"faq":140,"locale":150,"meta":151,"navigation":152,"pageType":153,"path":154,"related":155,"seo":156,"stem":159,"__hash__":160},"pages/zh-TW/time-zone-converter.md","時間戳時區轉換",{"type":7,"value":8,"toc":127},"minimark",[9,14,31,35,41,45,48,51,54,57,115,118],[10,11,13],"h2",{"id":12},"同一時刻不同本地時間","同一時刻，不同本地時間",[15,16,17,18,22,23,26,27,30],"p",{},"選擇另一個時區不會改變 Unix 時間戳，只會改變它的日曆表示。",[19,20,21],"code",{},"Asia/Taipei","、",[19,24,25],{},"America/New_York"," 與 ",[19,28,29],{},"Europe/London"," 都是 IANA 時區識別碼，可能有不同的歷史規則和日光節約時間切換日期。",[10,32,34],{"id":33},"utc-偏移不等於時區","UTC 偏移不等於時區",[15,36,37,40],{},[19,38,39],{},"UTC-05:00"," 只描述某一時刻與 UTC 相差五小時，不包含地區身分、歷史調整或未來日光節約時間規則。若業務邏輯需要在不同日期持續得到正確本地時間，應儲存命名時區，而非只有固定偏移。",[10,42,44],{"id":43},"應該儲存什麼","應該儲存什麼？",[15,46,47],{},"記錄已發生的事件時，優先儲存絕對時刻（Unix 時間戳或帶偏移的 ISO 8601）。處理未來的本地行程時，通常還要儲存 IANA 時區，因為當地規則可能改變。顯示時再依目標使用者或業務地區格式化日期。",[10,49,50],{"id":50},"如何操作這個工具",[15,52,53],{},"輸入整數時間戳，選單位與目標城市或 IANA 時區，再按轉換。它依地區規則顯示已確定的時刻；時間戳不變，只有日期與鐘點改變。",[10,55,56],{"id":56},"輸入與輸出範例",[58,59,60,73],"table",{},[61,62,63],"thead",{},[64,65,66,70],"tr",{},[67,68,69],"th",{},"輸入或設定",[67,71,72],{},"預期結果",[74,75,76,90,102],"tbody",{},[64,77,78,85],{},[79,80,81,84],"td",{},[19,82,83],{},"1700000000"," · s · UTC",[79,86,87],{},[19,88,89],{},"2023-11-14 22:13:20",[64,91,92,97],{},[79,93,94,96],{},[19,95,83],{}," · s · Asia/Shanghai",[79,98,99],{},[19,100,101],{},"2023-11-15 06:13:20",[64,103,104,109],{},[79,105,106,108],{},[19,107,83],{}," · s · America/New_York",[79,110,111,114],{},[19,112,113],{},"2023-11-14 17:13:20"," · UTC−05:00",[10,116,117],{"id":117},"使用結果前的檢查",[15,119,120,121,126],{},"結果標示轉換日期的偏移。洛杉磯並非全年 UTC−08:00，紐約也並非全年 UTC−05:00。除鐘點外也核對跨日。若輸入是當地日曆時間，使用",[122,123,125],"a",{"href":124},"/zh-TW/world-time-converter/","兩個時區時間轉換","先解讀來源鐘點。",{"title":128,"searchDepth":129,"depth":129,"links":130},"",2,[131,132,133,134,135,136],{"id":12,"depth":129,"text":13},{"id":33,"depth":129,"text":34},{"id":43,"depth":129,"text":44},{"id":50,"depth":129,"text":50},{"id":56,"depth":129,"text":56},{"id":117,"depth":129,"text":117},"將同一個 Unix 時間戳顯示為 UTC、本地時區或指定 IANA 時區，並查看正確偏移。","md","時區顯示 / 05",[141,144,147],{"question":142,"answer":143},"選擇另一個時區會改變時間戳嗎？","不會。時間戳代表的絕對時刻維持不變，改變的只是日期、鐘點與 UTC 偏移的顯示方式。",{"question":145,"answer":146},"UTC-05:00 和 America/New_York 一樣嗎？","不完全相同。固定偏移只描述與 UTC 的差值，而命名時區還包含歷史與未來的日光節約時間規則。",{"question":148,"answer":149},"為什麼同一城市在不同日期的偏移不同？","採用日光節約時間的地區會依日期切換偏移，瀏覽器會根據 IANA 時區資料計算當時適用的規則。","zh-TW",{},true,"tool","/zh-tw/time-zone-converter",null,{"title":157,"description":158},"Unix 時間戳時區轉換 — UTC 轉本地時間","將 Unix 時間戳以 UTC 與指定 IANA 時區顯示，並自動套用該日期的日光節約時間規則。","zh-TW/time-zone-converter","e76wOC2p6O3KshCcLmHWHKpmC2E4Crpb-mwmr8nVf0Y",1792032486180]