From 142f6781e34579b87c7e5845a51514c875575e72 Mon Sep 17 00:00:00 2001
From: liaoxinyu <liaoxinyu@xingtongworld.com>
Date: Mon, 3 Nov 2025 15:53:19 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E6=97=B6=E9=97=B4=E8=BD=AC?=
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---
 utils/class/date.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/utils/class/date.js b/utils/class/date.js
index d563bf0..c09eafe 100644
--- a/utils/class/date.js
+++ b/utils/class/date.js
@@ -25,6 +25,8 @@ function time2Date(time, isOffset = false) {
 
     } else { // 传入一个时间戳
         // 检测时间戳的长度，确保为ms
+		const dates = new Date(time);
+		const isInEDT = dateIsInEDT(dates);
         if (time.toString().length <= 10) {
             time = Number(time) * 1000;
         }
@@ -34,7 +36,9 @@ function time2Date(time, isOffset = false) {
             timeN = getTimeZoneOffset(time);
         }else{
 			// 这也是对时差进行转换，不需要在每个处理时间格式的组件中修改isOffset为true
-			timeN = time-(-28800000)+(new Date(new Date().getTime()).getTimezoneOffset()* 60 * 1000);
+			// timeN = time-(-28800000)+(new Date(new Date().getTime()).getTimezoneOffset()* 60 * 1000);
+			// 这也是对时差进行转换，不需要在每个处理时间格式的组件中修改isOffset为true
+			timeN = isInEDT ? time - (-28800000)+(new Date(new Date().getTime()).getTimezoneOffset()* 60 * 1000) - 43200000 : time - (-28800000)+(new Date(new Date().getTime()).getTimezoneOffset()* 60 * 1000) - 46800000;
 		}
 
         // 转化成日期时间对象
@@ -44,6 +48,17 @@ function time2Date(time, isOffset = false) {
     return date;
 }
 
+// 判断日期是否在夏令时（简化的逻辑，实际应用中需要考虑更多的边界情况）
+function dateIsInEDT(date) {
+    const year = date.getUTCFullYear();
+    const start = new Date(Date.UTC(year, 2, 8, 18)); // March, 2nd Sunday
+    const end = new Date(Date.UTC(year, 10, 3, 18)); // November, 1st Sunday
+    start.setUTCDate(14 - start.getUTCDay());
+    end.setUTCDate(7 - end.getUTCDay());
+
+    return date >= start && date < end;
+}
+
 
 /**
  * 将指定日期格式化输出，