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diff --git a/src/test/java/org/apache/commons/lang3/time/CalendarUtilsTest.java b/src/test/java/org/apache/commons/lang3/time/CalendarUtilsTest.java
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+++ b/src/test/java/org/apache/commons/lang3/time/CalendarUtilsTest.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.lang3.time;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.Calendar;
+import java.util.Locale;
+
+import org.apache.commons.lang3.AbstractLangTest;
+import org.junit.jupiter.api.Test;
+
+public class CalendarUtilsTest extends AbstractLangTest {
+
+    @Test
+    public void testGetDayOfMonth() {
+        assertEquals(Calendar.getInstance().get(Calendar.DAY_OF_MONTH), CalendarUtils.INSTANCE.getDayOfMonth());
+    }
+
+    @Test
+    public void testGetDayOfYear() {
+        assertEquals(Calendar.getInstance().get(Calendar.DAY_OF_YEAR), CalendarUtils.INSTANCE.getDayOfYear());
+    }
+
+    @Test
+    public void testGetMonth() {
+        assertEquals(Calendar.getInstance().get(Calendar.MONTH), CalendarUtils.INSTANCE.getMonth());
+    }
+
+    @Test
+    public void testGetStandaloneLongMonthNames() {
+        final String[] monthNames = CalendarUtils.getInstance(Locale.GERMAN).getStandaloneLongMonthNames();
+        assertEquals(12, monthNames.length);
+        assertEquals("Januar", monthNames[0]);
+        assertEquals("Februar", monthNames[1]);
+        assertEquals("M\u00e4rz", monthNames[2]);
+        assertEquals("April", monthNames[3]);
+        assertEquals("Mai", monthNames[4]);
+        assertEquals("Juni", monthNames[5]);
+        assertEquals("Juli", monthNames[6]);
+        assertEquals("August", monthNames[7]);
+        assertEquals("September", monthNames[8]);
+        assertEquals("Oktober", monthNames[9]);
+        assertEquals("November", monthNames[10]);
+        assertEquals("Dezember", monthNames[11]);
+    }
+
+    @Test
+    public void testGetStandaloneShortMonthNames() {
+        final String[] monthNames = CalendarUtils.getInstance(Locale.GERMAN).getStandaloneShortMonthNames();
+        assertEquals(12, monthNames.length);
+        assertEquals("Jan", monthNames[0]);
+        assertEquals("Feb", monthNames[1]);
+        assertEquals("M\u00e4r", monthNames[2]);
+        assertEquals("Apr", monthNames[3]);
+        assertEquals("Mai", monthNames[4]);
+        assertEquals("Jun", monthNames[5]);
+        assertEquals("Jul", monthNames[6]);
+        assertEquals("Aug", monthNames[7]);
+        assertEquals("Sep", monthNames[8]);
+        assertEquals("Okt", monthNames[9]);
+        assertEquals("Nov", monthNames[10]);
+        assertEquals("Dez", monthNames[11]);
+    }
+
+    @Test
+    public void testGetYear() {
+        assertEquals(Calendar.getInstance().get(Calendar.YEAR), CalendarUtils.INSTANCE.getYear());
+    }
+
+
+}