diff --git a/src/main/java/rife/config/RifeConfig.java b/src/main/java/rife/config/RifeConfig.java
index 69aeb3f..808d156 100644
--- a/src/main/java/rife/config/RifeConfig.java
+++ b/src/main/java/rife/config/RifeConfig.java
@@ -1076,7 +1076,7 @@ public class ToolsConfig {
         private String defaultResourceBundle_ = DEFAULT_RESOURCE_BUNDLE;
         private String defaultLanguage_ = DEFAULT_DEFAULT_LANGUAGE;
         private String defaultCountry_ = DEFAULT_DEFAULT_COUNTRY;
-        private TimeZone defaultTimeZone_ = DEFAULT_DEFAULT_TIMEZONE;
+        private TimeZone defaultTimeZone_ = null;
         private String defaultShortDateFormat_;
         private String defaultInputDateFormat_ = DEFAULT_INPUT_DATE_FORMAT;
         private String defaultInputTimeFormat_ = DEFAULT_INPUT_TIME_FORMAT;
@@ -1087,7 +1087,6 @@ public class ToolsConfig {
         public static final String DEFAULT_RESOURCE_BUNDLE = null;
         public static final String DEFAULT_DEFAULT_LANGUAGE = "en";
         public static final String DEFAULT_DEFAULT_COUNTRY = null;
-        public static final TimeZone DEFAULT_DEFAULT_TIMEZONE = TimeZone.getTimeZone("EST");
         public static final String DEFAULT_INPUT_DATE_FORMAT = "yyyy-MM-dd HH:mm";
         public static final String DEFAULT_INPUT_TIME_FORMAT = "HH:mm";
         public static final int DEFAULT_MAX_VISUAL_URL_LENGTH = 70;
diff --git a/src/test/java/rife/template/TestTemplate.java b/src/test/java/rife/template/TestTemplate.java
index e3acfe8..be5d7ba 100644
--- a/src/test/java/rife/template/TestTemplate.java
+++ b/src/test/java/rife/template/TestTemplate.java
@@ -4,7 +4,10 @@
  */
 package rife.template;
 
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import rife.config.RifeConfig;
 import rife.template.exceptions.BlockUnknownException;
 import rife.template.exceptions.TemplateException;
 import rife.template.exceptions.ValueUnknownException;
@@ -18,6 +21,16 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 public class TestTemplate {
+    @BeforeEach
+    public void setup() {
+        RifeConfig.tools().setDefaultTimeZone(TimeZone.getTimeZone("EST"));
+    }
+
+    @AfterEach
+    public void tearDown() {
+        RifeConfig.tools().setDefaultTimeZone(null);
+    }
+
     @Test
     void testInstantiation() {
         var template = TemplateFactory.HTML.get("empty");
diff --git a/src/test/java/rife/tools/TestArrayUtils.java b/src/test/java/rife/tools/TestArrayUtils.java
index 6c1e783..9177912 100644
--- a/src/test/java/rife/tools/TestArrayUtils.java
+++ b/src/test/java/rife/tools/TestArrayUtils.java
@@ -4,6 +4,8 @@
  */
 package rife.tools;
 
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import rife.config.RifeConfig;
 import rife.validation.ConstrainedProperty;
@@ -13,10 +15,21 @@
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Locale;
+import java.util.TimeZone;
 
 import static org.junit.jupiter.api.Assertions.*;
 
 public class TestArrayUtils {
+    @BeforeEach
+    public void setup() {
+        RifeConfig.tools().setDefaultTimeZone(TimeZone.getTimeZone("EST"));
+    }
+
+    @AfterEach
+    public void tearDown() {
+        RifeConfig.tools().setDefaultTimeZone(null);
+    }
+
     @Test
     void testGetArrayType() {
         assertEquals(ArrayUtils.ArrayType.NO_ARRAY, ArrayUtils.getArrayType(new Object()));
diff --git a/src/test/java/rife/tools/TestBeanUtils.java b/src/test/java/rife/tools/TestBeanUtils.java
index 8c06c73..09b151b 100644
--- a/src/test/java/rife/tools/TestBeanUtils.java
+++ b/src/test/java/rife/tools/TestBeanUtils.java
@@ -4,6 +4,8 @@
  */
 package rife.tools;
 
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import rife.config.RifeConfig;
 import rife.tools.exceptions.BeanUtilsException;
@@ -19,6 +21,16 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 public class TestBeanUtils {
+    @BeforeEach
+    public void setup() {
+        RifeConfig.tools().setDefaultTimeZone(TimeZone.getTimeZone("EST"));
+    }
+
+    @AfterEach
+    public void tearDown() {
+        RifeConfig.tools().setDefaultTimeZone(null);
+    }
+
     private BeanImpl getPopulatedBean() {
         BeanImpl bean = new BeanImpl();
         var cal = RifeConfig.tools().getCalendarInstance(2002, Calendar.DECEMBER, 26, 22, 52, 31, 153);
diff --git a/src/test/java/rife/tools/TestConvert.java b/src/test/java/rife/tools/TestConvert.java
index 4981ad5..f22e44c 100644
--- a/src/test/java/rife/tools/TestConvert.java
+++ b/src/test/java/rife/tools/TestConvert.java
@@ -4,6 +4,8 @@
  */
 package rife.tools;
 
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import rife.config.RifeConfig;
 import rife.tools.exceptions.ConversionException;
@@ -17,6 +19,16 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 public class TestConvert {
+    @BeforeEach
+    public void setup() {
+        RifeConfig.tools().setDefaultTimeZone(TimeZone.getTimeZone("EST"));
+    }
+
+    @AfterEach
+    public void tearDown() {
+        RifeConfig.tools().setDefaultTimeZone(null);
+    }
+
     @Test
     void testToType()
     throws ConversionException {