[{"data":1,"prerenderedAt":161},["ShallowReactive",2],{"page:/zh/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/time-zone-converter.md","时间戳时区转换",{"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},"同一时刻不同本地时间","同一时刻，不同本地时间",[15,16,17,18,22,23,26,27,30],"p",{},"选择另一个时区不会改变 Unix 时间戳，只会改变它的日历表示。",[19,20,21],"code",{},"Asia/Shanghai","、",[19,24,25],{},"America/New_York"," 和 ",[19,28,29],{},"Europe/London"," 都是 IANA 时区标识，它们可能拥有不同的历史规则和夏令时切换日期。",[10,32,34],{"id":33},"utc-偏移不等于时区","UTC 偏移不等于时区",[15,36,37,40],{},[19,38,39],{},"UTC-05:00"," 只描述某一时刻与 UTC 相差五小时，不包含地区身份、历史调整或未来夏令时规则。若业务逻辑需要在不同日期持续得到正确本地时间，应保存命名时区，而不是只保存一个固定偏移。",[10,42,44],{"id":43},"应该保存什么","应该保存什么？",[15,46,47],{},"记录已经发生的事件时，优先保存绝对时刻（Unix 时间戳或带偏移的 ISO 8601）。处理未来的本地日程，通常还要保存 IANA 时区，因为当地规则可能改变。展示时再根据目标用户或业务地区格式化日期。",[10,49,50],{"id":50},"具体怎么使用",[15,52,53],{},"输入整数时间戳，明确单位并选择目标城市或 IANA 时区，点击转换即可按该地区规则显示时刻。时间戳本身不变，变化的是日历日期和钟点。",[10,55,56],{"id":56},"输入与输出示例",[58,59,60,73],"table",{},[61,62,63],"thead",{},[64,65,66,70],"tr",{},[67,68,69],"th",{},"输入或设置",[67,71,72],{},"预期结果",[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},"使用结果前的检查",[15,119,120,121,126],{},"结果标注转换日期对应的偏移。洛杉矶并非全年 UTC−08:00，纽约也并非全年 UTC−05:00。除钟点外还要核对日期是否跨天。如果输入是当地日历时间，应使用",[122,123,125],"a",{"href":124},"/zh/world-time-converter/","两个时区时间转换","，先解释来源地区的时间。",{"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},"将同一个 Unix 时间戳显示为 UTC、本地时区或指定 IANA 时区，并查看正确偏移。","md","时区显示 / 05",[141,144,147],{"question":142,"answer":143},"选择另一个时区会改变时间戳吗？","不会。时间戳表示的绝对时刻保持不变，变化的只是日期、钟点和 UTC 偏移的显示方式。",{"question":145,"answer":146},"UTC-05:00 和 America/New_York 一样吗？","不完全一样。固定偏移只描述与 UTC 的差值，而命名时区还包含历史和未来的夏令时规则。",{"question":148,"answer":149},"为什么同一城市不同日期的偏移不同？","采用夏令时的地区会按日期切换偏移，浏览器根据 IANA 时区数据计算当时适用的规则。","zh",{},true,"tool","/zh/time-zone-converter",null,{"title":157,"description":158},"Unix 时间戳时区转换 — UTC 转本地时间","将 Unix 时间戳按 UTC 和指定 IANA 时区显示，并自动应用对应日期的夏令时规则。","zh/time-zone-converter","u9geZ-wg5g5CYJrVyQyPzHHnP-tsCuWt4TItYxYJRzQ",1792032485532]