diff --git a/sentry-android-core/src/main/java/io/sentry/android/core/DeviceInfoUtil.java b/sentry-android-core/src/main/java/io/sentry/android/core/DeviceInfoUtil.java
index f3b17c5854..b6678b6135 100644
--- a/sentry-android-core/src/main/java/io/sentry/android/core/DeviceInfoUtil.java
+++ b/sentry-android-core/src/main/java/io/sentry/android/core/DeviceInfoUtil.java
@@ -257,14 +257,16 @@ private void setDeviceIO(
   @SuppressWarnings("NewApi")
   @NotNull
   private TimeZone getTimeZone() {
-    if (buildInfoProvider.getSdkInfoVersion() >= Build.VERSION_CODES.N) {
+    if (buildInfoProvider.getSdkInfoVersion() >= Build.VERSION_CODES.TIRAMISU) {
       LocaleList locales = context.getResources().getConfiguration().getLocales();
       if (!locales.isEmpty()) {
         Locale locale = locales.get(0);
-        return Calendar.getInstance(locale).getTimeZone();
+        if (locale.getUnicodeLocaleType("tz") != null) {
+          return Calendar.getInstance(locale).getTimeZone();
+        }
       }
     }
-    return Calendar.getInstance().getTimeZone();
+    return TimeZone.getDefault();
   }
 
   @SuppressWarnings("JdkObsolete")
diff --git a/sentry-android-core/src/test/java/io/sentry/android/core/DeviceInfoUtilTest.kt b/sentry-android-core/src/test/java/io/sentry/android/core/DeviceInfoUtilTest.kt
index 6d90d6be53..faf993e161 100644
--- a/sentry-android-core/src/test/java/io/sentry/android/core/DeviceInfoUtilTest.kt
+++ b/sentry-android-core/src/test/java/io/sentry/android/core/DeviceInfoUtilTest.kt
@@ -2,16 +2,22 @@ package io.sentry.android.core
 
 import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
 import android.os.BatteryManager
+import android.os.Build
+import android.os.LocaleList
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import io.sentry.android.core.internal.util.CpuInfoUtils
+import java.util.Locale
+import java.util.TimeZone
 import kotlin.test.BeforeTest
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertNotNull
 import kotlin.test.assertNull
 import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
 
 @RunWith(AndroidJUnit4::class)
 class DeviceInfoUtilTest {
@@ -47,6 +53,32 @@ class DeviceInfoUtilTest {
     assertNotNull(deviceInfo.memorySize)
   }
 
+  @Test
+  fun `sets default timezone`() {
+    val deviceInfoUtil = DeviceInfoUtil.getInstance(context, SentryAndroidOptions())
+    val deviceInfo = deviceInfoUtil.collectDeviceInformation(false, false)
+
+    assertEquals(TimeZone.getDefault(), deviceInfo.timezone)
+  }
+
+  @Test
+  @Config(sdk = [Build.VERSION_CODES.TIRAMISU])
+  fun `preserves timezone from locale unicode extension`() {
+    val defaultTimeZone = TimeZone.getDefault()
+    try {
+      TimeZone.setDefault(TimeZone.getTimeZone("UTC"))
+      val configuration = Configuration(context.resources.configuration)
+      configuration.setLocales(LocaleList(Locale.forLanguageTag("en-US-u-tz-usnyc")))
+      val localizedContext = context.createConfigurationContext(configuration)
+      val deviceInfoUtil = DeviceInfoUtil(localizedContext, SentryAndroidOptions())
+      val deviceInfo = deviceInfoUtil.collectDeviceInformation(false, false)
+
+      assertEquals("America/New_York", deviceInfo.timezone?.id)
+    } finally {
+      TimeZone.setDefault(defaultTimeZone)
+    }
+  }
+
   @Test
   fun `does include cpu data`() {
     CpuInfoUtils.getInstance().setCpuMaxFrequencies(listOf(1024))