diff --git a/README.md b/README.md
index 05b9f83d8..0c70c802c 100644
--- a/README.md
+++ b/README.md
@@ -366,7 +366,7 @@ if it is defined but doesn't match.
 | `statusId`                             |   term    | `statusId == "123"`                                               | Matches instances with the `123` status                                                                              |
 | `instanceFormatIds`                    |   term    | `instanceFormatIds == "123"`                                      | Matches instances with the `123` format id                                                                           |
 | `languages`                            |   term    | `languages == "eng"`                                              | Matches instances that have `eng` language                                                                           |
-| `metadata.createdDate`                 |   term    | `metadata.createdDate > "2020-12-12"`                             | Matches instances that were created after  `2020-12-12`                                                              |
+| `metadata.createdDate`                 |   term    | `metadata.createdDate > "2021-03-01T00:00:00.000+00:00"`          | Matches instances that were created after  `2020-12-12`                                                              |
 | `metadata.updatedDate`                 |   term    | `metadata.updatedDate > "2020-12-12"`                             | Matches instances that were updated after  `2020-12-12`                                                              |
 | `modeOfIssuanceId`                     |   term    | `modeOfIssuanceId=="123"`                                         | Matches instances that have `123` mode of issuance                                                                   |
 | `natureOfContentTermIds`               |   term    | `natureOfContentTermIds=="123"`                                   | Matches instances that have `123` nature of content                                                                  |
diff --git a/src/main/java/org/folio/search/cql/CqlTermQueryConverter.java b/src/main/java/org/folio/search/cql/CqlTermQueryConverter.java
index 38e65b14c..6ba6ad0d3 100644
--- a/src/main/java/org/folio/search/cql/CqlTermQueryConverter.java
+++ b/src/main/java/org/folio/search/cql/CqlTermQueryConverter.java
@@ -3,10 +3,10 @@
 import static java.util.Collections.unmodifiableMap;
 import static java.util.stream.Collectors.joining;
 import static org.apache.commons.lang3.StringUtils.lowerCase;
-import static org.apache.commons.validator.GenericValidator.isDate;
 import static org.folio.search.utils.SearchUtils.ASTERISKS_SIGN;
 import static org.opensearch.index.query.QueryBuilders.matchAllQuery;
 
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -34,7 +34,16 @@ public class CqlTermQueryConverter {
   public static final String WILDCARD_OPERATOR = "wildcard";
   private static final String MATCH_ALL_CQL_QUERY = "cql.allRecords = 1";
   private static final String KEYWORD_ALL_CQL_QUERY = "keyword = *";
-  private static final String STRICT_DATE_PATTERN = "yyyy-MM-dd";
+
+  private static final List<DateTimeFormatter> SUPPORTED_DATE_FORMATS = List.of(
+    DateTimeFormatter.ISO_DATE,
+    DateTimeFormatter.ISO_DATE_TIME,
+    DateTimeFormatter.ISO_LOCAL_DATE,
+    DateTimeFormatter.ISO_LOCAL_DATE_TIME,
+    DateTimeFormatter.ISO_OFFSET_DATE,
+    DateTimeFormatter.ISO_OFFSET_DATE_TIME,
+    DateTimeFormatter.ISO_INSTANT
+  );
 
   private final SearchFieldProvider searchFieldProvider;
   private final Map<String, TermQueryBuilder> termQueryBuilders;
@@ -143,11 +152,23 @@ private static Map<String, TermQueryBuilder> getTermQueryProvidersAsMap(List<Ter
 
   private void validateIndexFormat(String index, CQLTermNode termNode) {
     var value = termNode.getTerm();
-    if (index.equals("date") && !isDate(value, STRICT_DATE_PATTERN, true)) {
+    if (index.equals("date") && !isValidDate(value)) {
       throw new ValidationException("Invalid date format", termNode.getIndex(), value);
     }
   }
 
+  private boolean isValidDate(String value) {
+    for (DateTimeFormatter dateFormat : SUPPORTED_DATE_FORMATS) {
+      try {
+        dateFormat.parse(value);
+        return true;
+      } catch (Exception ignored) {
+        // do nothing
+      }
+    }
+    return false;
+  }
+
   private static boolean isMatchAllQuery(String cqlQuery) {
     return MATCH_ALL_CQL_QUERY.equals(cqlQuery) || KEYWORD_ALL_CQL_QUERY.equals(cqlQuery);
   }
diff --git a/src/test/java/org/folio/search/controller/SearchAuthorityFilterIT.java b/src/test/java/org/folio/search/controller/SearchAuthorityFilterIT.java
index 6ab6450c3..4a96fd8ac 100644
--- a/src/test/java/org/folio/search/controller/SearchAuthorityFilterIT.java
+++ b/src/test/java/org/folio/search/controller/SearchAuthorityFilterIT.java
@@ -138,6 +138,9 @@ private static Stream<Arguments> filteredSearchQueriesProvider() {
       arguments("(subjectHeadings==\"n\")", List.of(IDS[11], IDS[12])),
 
       arguments("(metadata.createdDate >= 2021-03-01) ", List.of(IDS[0], IDS[1], IDS[2], IDS[3])),
+      arguments("(metadata.createdDate >= 2021-03-01T00:00:00.000) ", List.of(IDS[0], IDS[1], IDS[2], IDS[3])),
+      arguments("(metadata.createdDate >= 2021-03-01T00:00:00.000Z) ", List.of(IDS[0], IDS[1], IDS[2], IDS[3])),
+      arguments("(metadata.createdDate >= 2021-03-01T00:00:00.000+00:00) ", List.of(IDS[0], IDS[1], IDS[2], IDS[3])),
       arguments("(metadata.createdDate > 2021-03-01) ", List.of(IDS[1], IDS[2], IDS[3])),
       arguments("(metadata.createdDate >= 2021-03-01 and metadata.createdDate < 2021-03-10) ",
         List.of(IDS[0], IDS[2])),
@@ -158,8 +161,7 @@ private static Stream<Arguments> invalidDateSearchQueriesProvider() {
       arguments("metadata.createdDate", "2022-06-1"),
       arguments("metadata.createdDate", "2022-06-40"),
       arguments("metadata.updatedDate", "2022-15-01"),
-      arguments("metadata.updatedDate", "invalidDate"),
-      arguments("metadata.updatedDate", "2022-11-15T15:00:00.000")
+      arguments("metadata.updatedDate", "invalidDate")
     );
   }
 
diff --git a/src/test/java/org/folio/search/controller/SearchInstanceFilterIT.java b/src/test/java/org/folio/search/controller/SearchInstanceFilterIT.java
index 9f9f791c8..749ff9988 100644
--- a/src/test/java/org/folio/search/controller/SearchInstanceFilterIT.java
+++ b/src/test/java/org/folio/search/controller/SearchInstanceFilterIT.java
@@ -316,8 +316,7 @@ private static Stream<Arguments> invalidDateSearchQueriesProvider() {
       arguments("holdings.metadata.createdDate", "2022-15-01"),
       arguments("holdings.metadata.updatedDate", "2022-06-40"),
 
-      arguments("item.metadata.updatedDate", "invalidDate"),
-      arguments("item.metadata.createdDate", "2022-06-15T15:00:00.000")
+      arguments("item.metadata.updatedDate", "invalidDate")
     );
   }