diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b2d8b479..377f7e4ce 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 * 【core  】      FileUtil和PathUtil增加Resource重载（issue#I97FJT@Gitee）
 * 【core  】      优化ThreadUtil.safeSleep，使用System.nanoTime()（issue#I9BMGK@Gitee）
 * 【db    】      新增数据库Wrapper支持反解（pr#1192@Gitee）
+* 【core  】      新增RFC2822日期格式解析支持（issue#I9C2D4@Gitee）
 
 ### 🐞Bug修复
 * 【core  】      修复PathMover对目标已存在且只读文件报错错误问题（issue#I95CLT@Gitee）
diff --git a/hutool-core/src/main/java/cn/hutool/core/date/DatePattern.java b/hutool-core/src/main/java/cn/hutool/core/date/DatePattern.java
index a499c9e7d..4e4640040 100644
--- a/hutool-core/src/main/java/cn/hutool/core/date/DatePattern.java
+++ b/hutool-core/src/main/java/cn/hutool/core/date/DatePattern.java
@@ -226,6 +226,10 @@ public class DatePattern {
 	 * HTTP头中日期时间格式 {@link FastDateFormat}：EEE, dd MMM yyyy HH:mm:ss z
 	 */
 	public static final FastDateFormat HTTP_DATETIME_FORMAT = FastDateFormat.getInstance(HTTP_DATETIME_PATTERN, TimeZone.getTimeZone("GMT"), Locale.US);
+	/**
+	 * HTTP头中日期时间格式 {@link FastDateFormat}：EEE, dd MMM yyyy HH:mm:ss z
+	 */
+	public static final FastDateFormat HTTP_DATETIME_FORMAT_Z = FastDateFormat.getInstance(HTTP_DATETIME_PATTERN, Locale.US);
 
 	/**
 	 * JDK中日期时间格式：EEE MMM dd HH:mm:ss zzz yyyy
diff --git a/hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java b/hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java
index d20b8881d..0abdef071 100755
--- a/hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java
@@ -927,24 +927,40 @@ public class DateUtil extends CalendarUtil {
 	 * @param cstString UTC时间
 	 * @return 日期对象
 	 * @since 4.6.9
+	 * @deprecated 理解错误，请使用{@link #parseRFC2822(CharSequence)}
 	 */
+	@Deprecated
 	public static DateTime parseCST(CharSequence cstString) {
-		if (cstString == null) {
+		return parseRFC2822(cstString);
+	}
+
+	/**
+	 * 解析RFC2822时间，格式：<br>
+	 * <ol>
+	 * <li>EEE MMM dd HH:mm:ss z yyyy（例如：Wed Aug 01 00:00:00 CST 2012）</li>
+	 * </ol>
+	 *
+	 * @param source RFC2822时间
+	 * @return 日期对象
+	 * @since 4.6.9
+	 */
+	public static DateTime parseRFC2822(CharSequence source) {
+		if (source == null) {
 			return null;
 		}
 
 		// issue#I9C2D4
-		if(StrUtil.contains(cstString, ',')){
-			if(StrUtil.contains(cstString, "星期")){
-				return parse(cstString, FastDateFormat.getInstance(DatePattern.HTTP_DATETIME_PATTERN, TimeZone.getTimeZone("GMT"), Locale.CHINA));
+		if(StrUtil.contains(source, ',')){
+			if(StrUtil.contains(source, "星期")){
+				return parse(source, FastDateFormat.getInstance(DatePattern.HTTP_DATETIME_PATTERN, Locale.CHINA));
 			}
-			return parse(cstString, DatePattern.HTTP_DATETIME_FORMAT);
+			return parse(source, DatePattern.HTTP_DATETIME_FORMAT_Z);
 		}
 
-		if(StrUtil.contains(cstString, "星期")){
-			return parse(cstString, FastDateFormat.getInstance(DatePattern.JDK_DATETIME_PATTERN, TimeZone.getTimeZone("GMT"), Locale.CHINA));
+		if(StrUtil.contains(source, "星期")){
+			return parse(source, FastDateFormat.getInstance(DatePattern.JDK_DATETIME_PATTERN, Locale.CHINA));
 		}
-		return parse(cstString, DatePattern.JDK_DATETIME_FORMAT);
+		return parse(source, DatePattern.JDK_DATETIME_FORMAT);
 	}
 
 	/**
@@ -1007,7 +1023,7 @@ public class DateUtil extends CalendarUtil {
 			// Tue Jun 4 16:25:15 +0800 2019
 			// Thu May 16 17:57:18 GMT+08:00 2019
 			// Wed Aug 01 00:00:00 CST 2012
-			return parseCST(dateStr);
+			return parseRFC2822(dateStr);
 		} else if (StrUtil.contains(dateStr, 'T')) {
 			// UTC时间
 			return parseUTC(dateStr);
diff --git a/hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java
index 02c72ae41..1f75a082c 100755
--- a/hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java
@@ -705,7 +705,7 @@ public class DateUtilTest {
 	}
 
 	@Test
-	public void parseCSTTest() {
+	public void parseRFC2822Test() {
 		final String dateStr = "Wed Sep 16 11:26:23 CST 2009";
 
 		final SimpleDateFormat sdf = new SimpleDateFormat(DatePattern.JDK_DATETIME_PATTERN, Locale.US);
@@ -713,7 +713,7 @@ public class DateUtilTest {
 		sdf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
 		final DateTime parse = DateUtil.parse(dateStr, sdf);
 
-		DateTime dateTime = DateUtil.parseCST(dateStr);
+		DateTime dateTime = DateUtil.parseRFC2822(dateStr);
 		Assert.assertEquals(parse, dateTime);
 
 		dateTime = DateUtil.parse(dateStr);