diff --git a/instrumentation/log4j/log4j-appender-2.17/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/log4j/appender/v2_17/Log4jHelper.java b/instrumentation/log4j/log4j-appender-2.17/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/log4j/appender/v2_17/Log4jHelper.java
index 5d0cf18b17e1..6a31624a42bf 100644
--- a/instrumentation/log4j/log4j-appender-2.17/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/log4j/appender/v2_17/Log4jHelper.java
+++ b/instrumentation/log4j/log4j-appender-2.17/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/log4j/appender/v2_17/Log4jHelper.java
@@ -12,6 +12,7 @@
 import io.opentelemetry.instrumentation.log4j.appender.v2_17.internal.ContextDataAccessor;
 import io.opentelemetry.instrumentation.log4j.appender.v2_17.internal.LogEventMapper;
 import io.opentelemetry.javaagent.bootstrap.internal.InstrumentationConfig;
+import java.time.Instant;
 import java.util.List;
 import java.util.Map;
 import java.util.function.BiConsumer;
@@ -66,6 +67,7 @@ public static void capture(
             .logRecordBuilder();
     Map<String, String> contextData = ThreadContext.getImmutableContext();
     mapper.mapLogEvent(builder, message, level, marker, throwable, contextData);
+    builder.setTimestamp(Instant.now());
     builder.emit();
   }
 
diff --git a/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java b/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java
index 4c753b52c4ee..612d9fce4cf5 100644
--- a/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java
+++ b/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java
@@ -8,6 +8,7 @@
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.equalTo;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.satisfies;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 import io.opentelemetry.api.common.AttributeKey;
 import io.opentelemetry.api.logs.Severity;
@@ -16,6 +17,7 @@
 import io.opentelemetry.sdk.common.InstrumentationScopeInfo;
 import io.opentelemetry.sdk.logs.data.LogRecordData;
 import io.opentelemetry.semconv.trace.attributes.SemanticAttributes;
+import java.time.Instant;
 import java.util.stream.Stream;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -68,6 +70,8 @@ private static void test(
       String expectedSeverityText)
       throws InterruptedException {
 
+    Instant start = Instant.now();
+
     // when
     if (withParent) {
       testing.runWithSpan(
@@ -88,6 +92,11 @@ private static void test(
           .hasInstrumentationScope(InstrumentationScopeInfo.builder(expectedLoggerName).build())
           .hasSeverity(expectedSeverity)
           .hasSeverityText(expectedSeverityText);
+
+      assertThat(log.getTimestampEpochNanos())
+          .isGreaterThanOrEqualTo(MILLISECONDS.toNanos(start.toEpochMilli()))
+          .isLessThanOrEqualTo(MILLISECONDS.toNanos(Instant.now().toEpochMilli()));
+
       if (logException) {
         assertThat(log)
             .hasAttributesSatisfyingExactly(
diff --git a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/OpenTelemetryAppenderConfigTestBase.java b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/OpenTelemetryAppenderConfigTestBase.java
index f35564694fcb..535937e5fc3f 100644
--- a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/OpenTelemetryAppenderConfigTestBase.java
+++ b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/OpenTelemetryAppenderConfigTestBase.java
@@ -9,6 +9,7 @@
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.equalTo;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.satisfies;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.api.common.Attributes;
@@ -24,7 +25,6 @@
 import io.opentelemetry.semconv.trace.attributes.SemanticAttributes;
 import java.time.Instant;
 import java.util.List;
-import java.util.concurrent.TimeUnit;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.Marker;
@@ -107,8 +107,8 @@ void logWithExtras() {
             satisfies(SemanticAttributes.EXCEPTION_STACKTRACE, v -> v.contains("logWithExtras")));
 
     assertThat(logDataList.get(0).getTimestampEpochNanos())
-        .isGreaterThanOrEqualTo(TimeUnit.MILLISECONDS.toNanos(start.toEpochMilli()))
-        .isLessThanOrEqualTo(TimeUnit.MILLISECONDS.toNanos(Instant.now().toEpochMilli()));
+        .isGreaterThanOrEqualTo(MILLISECONDS.toNanos(start.toEpochMilli()))
+        .isLessThanOrEqualTo(MILLISECONDS.toNanos(Instant.now().toEpochMilli()));
   }
 
   @Test