diff --git a/Modules/Parser/Tests/ParserTests/RSDateParserTests.swift b/Modules/Parser/Tests/ParserTests/RSDateParserTests.swift
index d12df35ad..740bdf046 100644
--- a/Modules/Parser/Tests/ParserTests/RSDateParserTests.swift
+++ b/Modules/Parser/Tests/ParserTests/RSDateParserTests.swift
@@ -11,7 +11,7 @@ import Parser
 
 class RSDateParserTests: XCTestCase {
 	
-	static func dateWithValues(_ year: Int, _ month: Int, _ day: Int, _ hour: Int, _ minute: Int, _ second: Int) -> Date {
+	static func dateWithValues(_ year: Int, _ month: Int, _ day: Int, _ hour: Int, _ minute: Int, _ second: Int, _ milliseconds: Int = 0) -> Date {
 		var dateComponents = DateComponents()
 		dateComponents.calendar = Calendar.current
 		dateComponents.timeZone = TimeZone(secondsFromGMT: 0)
@@ -22,6 +22,7 @@ class RSDateParserTests: XCTestCase {
 		dateComponents.hour = hour
 		dateComponents.minute = minute
 		dateComponents.second = second
+		dateComponents.nanosecond = milliseconds * 1000000
 		
 		return dateComponents.date!
 	}
@@ -100,9 +101,9 @@ class RSDateParserTests: XCTestCase {
 		XCTAssertEqual(d, expectedDateResult)
 	}
 
-//	func testHighMillisecondDate() {
-//		let expectedDateResult = Self.dateWithValues(2021, 03, 29, 10, 46, 56)
-//		let d = RSDateWithString("2021-03-29T10:46:56.516941+00:00")
-//		XCTAssertEqual(d, expectedDateResult)
-//	}
+	func testHighMillisecondDate() {
+		let expectedDateResult = Self.dateWithValues(2021, 03, 29, 10, 46, 56, 516)
+		let d = RSDateWithString("2021-03-29T10:46:56.516941+00:00")
+		XCTAssertEqual(d!.timeIntervalSince1970, expectedDateResult.timeIntervalSince1970, accuracy: 0.000001)
+	}
 }
diff --git a/Modules/ParserObjC/Sources/ParserObjC/RSDateParser.m b/Modules/ParserObjC/Sources/ParserObjC/RSDateParser.m
index cb9c572d3..3eced1170 100755
--- a/Modules/ParserObjC/Sources/ParserObjC/RSDateParser.m
+++ b/Modules/ParserObjC/Sources/ParserObjC/RSDateParser.m
@@ -389,6 +389,9 @@ static NSDate *RSParseW3CWithBytes(const char *bytes, NSUInteger numberOfBytes)
 	if (hasMilliseconds) {
 		milliseconds = nextNumericValue(bytes, numberOfBytes, currentIndex, 3, &finalIndex);
 		currentIndex = finalIndex + 1;
+
+		// Igore more than 3 digits for fraction of a second
+		while (currentIndex < numberOfBytes && isdigit(bytes[currentIndex])) currentIndex++;
 	}
 
 	timeZoneOffset = parsedTimeZoneOffset(bytes, numberOfBytes, currentIndex);