diff --git a/core/src/main/java/org/opensearch/sql/data/model/ExprDateValue.java b/core/src/main/java/org/opensearch/sql/data/model/ExprDateValue.java
index 09b2e56b44..7617e156ba 100644
--- a/core/src/main/java/org/opensearch/sql/data/model/ExprDateValue.java
+++ b/core/src/main/java/org/opensearch/sql/data/model/ExprDateValue.java
@@ -6,6 +6,8 @@
 
 package org.opensearch.sql.data.model;
 
+import static org.opensearch.sql.utils.DateTimeFormatters.DATE_TIME_FORMATTER_VARIABLE_NANOS_OPTIONAL;
+
 import com.google.common.base.Objects;
 import java.time.Instant;
 import java.time.LocalDate;
@@ -33,7 +35,7 @@ public class ExprDateValue extends AbstractExprValue {
    */
   public ExprDateValue(String date) {
     try {
-      this.date = LocalDate.parse(date);
+      this.date = LocalDate.parse(date, DATE_TIME_FORMATTER_VARIABLE_NANOS_OPTIONAL);
     } catch (DateTimeParseException e) {
       throw new SemanticCheckException(String.format("date:%s in unsupported format, please use "
           + "yyyy-MM-dd", date));
diff --git a/core/src/main/java/org/opensearch/sql/data/model/ExprTimeValue.java b/core/src/main/java/org/opensearch/sql/data/model/ExprTimeValue.java
index 9c5f5c5d55..6cc4021d2e 100644
--- a/core/src/main/java/org/opensearch/sql/data/model/ExprTimeValue.java
+++ b/core/src/main/java/org/opensearch/sql/data/model/ExprTimeValue.java
@@ -6,10 +6,15 @@
 
 package org.opensearch.sql.data.model;
 
-import static org.opensearch.sql.utils.DateTimeFormatters.TIME_FORMATTER_VARIABLE_NANOS;
+import static java.time.format.DateTimeFormatter.ISO_LOCAL_TIME;
+import static org.opensearch.sql.utils.DateTimeFormatters.DATE_TIME_FORMATTER_VARIABLE_NANOS_OPTIONAL;
 
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.time.LocalTime;
-import java.time.format.DateTimeFormatter;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
 import java.time.format.DateTimeParseException;
 import java.util.Objects;
 import lombok.RequiredArgsConstructor;
@@ -22,14 +27,15 @@
  */
 @RequiredArgsConstructor
 public class ExprTimeValue extends AbstractExprValue {
+
   private final LocalTime time;
 
   /**
-   * Constructor.
+   * Constructor of ExprTimeValue.
    */
   public ExprTimeValue(String time) {
     try {
-      this.time = LocalTime.parse(time, TIME_FORMATTER_VARIABLE_NANOS);
+      this.time = LocalTime.parse(time, DATE_TIME_FORMATTER_VARIABLE_NANOS_OPTIONAL);
     } catch (DateTimeParseException e) {
       throw new SemanticCheckException(String.format("time:%s in unsupported format, please use "
           + "HH:mm:ss[.SSSSSSSSS]", time));
@@ -38,7 +44,7 @@ public ExprTimeValue(String time) {
 
   @Override
   public String value() {
-    return DateTimeFormatter.ISO_LOCAL_TIME.format(time);
+    return ISO_LOCAL_TIME.format(time);
   }
 
   @Override
diff --git a/core/src/main/java/org/opensearch/sql/expression/datetime/DateTimeFunction.java b/core/src/main/java/org/opensearch/sql/expression/datetime/DateTimeFunction.java
index 84716a425a..f0cf2b98a7 100644
--- a/core/src/main/java/org/opensearch/sql/expression/datetime/DateTimeFunction.java
+++ b/core/src/main/java/org/opensearch/sql/expression/datetime/DateTimeFunction.java
@@ -55,6 +55,7 @@
 import org.opensearch.sql.data.model.ExprValue;
 import org.opensearch.sql.data.type.ExprCoreType;
 import org.opensearch.sql.exception.ExpressionEvaluationException;
+import org.opensearch.sql.exception.SemanticCheckException;
 import org.opensearch.sql.expression.function.BuiltinFunctionName;
 import org.opensearch.sql.expression.function.BuiltinFunctionRepository;
 import org.opensearch.sql.expression.function.DefaultFunctionResolver;
diff --git a/core/src/main/java/org/opensearch/sql/utils/DateTimeFormatters.java b/core/src/main/java/org/opensearch/sql/utils/DateTimeFormatters.java
index 2efdbb3755..2556aed8d8 100644
--- a/core/src/main/java/org/opensearch/sql/utils/DateTimeFormatters.java
+++ b/core/src/main/java/org/opensearch/sql/utils/DateTimeFormatters.java
@@ -113,23 +113,25 @@ public class DateTimeFormatters {
 
   public static final DateTimeFormatter DATE_TIME_FORMATTER_VARIABLE_NANOS =
       new DateTimeFormatterBuilder()
-          .appendPattern("yyyy-MM-dd HH:mm:ss")
+          .appendPattern("uuuu-MM-dd HH:mm:ss")
           .appendFraction(
               ChronoField.NANO_OF_SECOND,
               MIN_FRACTION_SECONDS,
               MAX_FRACTION_SECONDS,
               true)
-          .toFormatter(Locale.ROOT);
+          .toFormatter(Locale.ROOT)
+          .withResolverStyle(ResolverStyle.STRICT);
 
-  public static final DateTimeFormatter TIME_FORMATTER_VARIABLE_NANOS =
+  public static final DateTimeFormatter DATE_TIME_FORMATTER_VARIABLE_NANOS_OPTIONAL =
       new DateTimeFormatterBuilder()
-          .appendPattern("HH:mm:ss")
+          .appendPattern("[uuuu-MM-dd HH:mm:ss][uuuu-MM-dd HH:mm][HH:mm:ss][HH:mm][uuuu-MM-dd]")
           .appendFraction(
               ChronoField.NANO_OF_SECOND,
               MIN_FRACTION_SECONDS,
               MAX_FRACTION_SECONDS,
               true)
-          .toFormatter();
+          .toFormatter(Locale.ROOT)
+          .withResolverStyle(ResolverStyle.STRICT);
 
   // YYMMDD
   public static final DateTimeFormatter DATE_FORMATTER_SHORT_YEAR =
diff --git a/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java b/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java
index 79efa2a015..b8c17cf48a 100644
--- a/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java
+++ b/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java
@@ -24,6 +24,7 @@
 import static org.opensearch.sql.data.type.ExprCoreType.TIMESTAMP;
 
 import com.google.common.collect.ImmutableList;
+import java.time.LocalDate;
 import java.util.List;
 import lombok.AllArgsConstructor;
 import org.junit.jupiter.api.BeforeEach;
@@ -240,6 +241,18 @@ public void date() {
     assertEquals(DATE, expr.type());
     assertEquals(new ExprDateValue("2020-08-17"), eval(expr));
     assertEquals("date(DATE '2020-08-17')", expr.toString());
+
+    expr = dsl.date(DSL.literal(new ExprDateValue("2020-08-17 12:12:00")));
+    assertEquals(DATE, expr.type());
+    assertEquals(new ExprDateValue("2020-08-17 12:12:00"), eval(expr));
+    assertEquals("date(DATE '2020-08-17')", expr.toString());
+
+    expr = dsl.date(DSL.literal(new ExprDateValue("2020-08-17 12:12")));
+    assertEquals(DATE, expr.type());
+    assertEquals(new ExprDateValue("2020-08-17 12:12"), eval(expr));
+    assertEquals("date(DATE '2020-08-17')", expr.toString());
+
+
   }
 
   @Test
@@ -795,6 +808,30 @@ public void time() {
     assertEquals(TIME, expr.type());
     assertEquals(new ExprTimeValue("01:01:01"), eval(expr));
     assertEquals("time(TIME '01:01:01')", expr.toString());
+
+    expr = dsl.time(DSL.literal(new ExprTimeValue("01:01")));
+    assertEquals(TIME, expr.type());
+    assertEquals(new ExprTimeValue("01:01"), eval(expr));
+    assertEquals("time(TIME '01:01:00')", expr.toString());
+
+    expr = dsl.time(DSL.literal(new ExprTimeValue("2019-04-19 01:01:01")));
+    assertEquals(TIME, expr.type());
+    assertEquals(new ExprTimeValue("2019-04-19 01:01:01"), eval(expr));
+    assertEquals("time(TIME '01:01:01')", expr.toString());
+
+    expr = dsl.time(DSL.literal(new ExprTimeValue("2019-04-19 01:01")));
+    assertEquals(TIME, expr.type());
+    assertEquals(new ExprTimeValue("2019-04-19 01:01"), eval(expr));
+    assertEquals("time(TIME '01:01:00')", expr.toString());
+
+    expr = dsl.time(DSL.literal(new ExprTimeValue("01:01:01.0123")));
+    assertEquals(TIME, expr.type());
+    assertEquals(new ExprTimeValue("01:01:01.0123"), eval(expr));
+    assertEquals("time(TIME '01:01:01.0123')", expr.toString());
+
+    expr = dsl.time(dsl.date(DSL.literal("2020-01-02")));
+    assertEquals(TIME, expr.type());
+    assertEquals(new ExprTimeValue("00:00:00"), expr.valueOf(null));
   }
 
   @Test
diff --git a/docs/user/dql/functions.rst b/docs/user/dql/functions.rst
index 7f02e947a4..7d003a2262 100644
--- a/docs/user/dql/functions.rst
+++ b/docs/user/dql/functions.rst
@@ -1076,13 +1076,13 @@ Return type: DATE
 
 Example::
 
-    >od SELECT DATE('2020-08-26'), DATE(TIMESTAMP('2020-08-26 13:49:00'))
+    os> SELECT DATE('2020-08-26'), DATE(TIMESTAMP('2020-08-26 13:49:00')), DATE('2020-08-26 13:49:00'), DATE('2020-08-26 13:49')
     fetched rows / total rows = 1/1
-    +----------------------+------------------------------------------+
-    | DATE('2020-08-26')   | DATE(TIMESTAMP('2020-08-26 13:49:00'))   |
-    |----------------------+------------------------------------------|
-    | DATE '2020-08-26'    | DATE '2020-08-26'                        |
-    +----------------------+------------------------------------------+
+    +----------------------+------------------------------------------+-------------------------------+----------------------------+
+    | DATE('2020-08-26')   | DATE(TIMESTAMP('2020-08-26 13:49:00'))   | DATE('2020-08-26 13:49:00')   | DATE('2020-08-26 13:49')   |
+    |----------------------+------------------------------------------+-------------------------------+----------------------------|
+    | 2020-08-26           | 2020-08-26                               | 2020-08-26                    | 2020-08-26                 |
+    +----------------------+------------------------------------------+-------------------------------+----------------------------+
 
 
 DATETIME
@@ -1880,13 +1880,13 @@ Return type: TIME
 
 Example::
 
-    >od SELECT TIME('13:49:00'), TIME(TIMESTAMP('2020-08-26 13:49:00'))
+    os> SELECT TIME('13:49:00'), TIME('13:49'), TIME(TIMESTAMP('2020-08-26 13:49:00')), TIME('2020-08-26 13:49:00')
     fetched rows / total rows = 1/1
-    +--------------------+------------------------------------------+
-    | TIME('13:49:00')   | TIME(TIMESTAMP('2020-08-26 13:49:00'))   |
-    |--------------------+------------------------------------------|
-    | TIME '13:49:00'    | TIME '13:49:00'                          |
-    +--------------------+------------------------------------------+
+    +--------------------+-----------------+------------------------------------------+-------------------------------+
+    | TIME('13:49:00')   | TIME('13:49')   | TIME(TIMESTAMP('2020-08-26 13:49:00'))   | TIME('2020-08-26 13:49:00')   |
+    |--------------------+-----------------+------------------------------------------+-------------------------------|
+    | 13:49:00           | 13:49:00        | 13:49:00                                 | 13:49:00                      |
+    +--------------------+-----------------+------------------------------------------+-------------------------------+
 
 
 TIME_TO_SEC
diff --git a/docs/user/ppl/functions/datetime.rst b/docs/user/ppl/functions/datetime.rst
index e6ff88d2a8..ee25acb32e 100644
--- a/docs/user/ppl/functions/datetime.rst
+++ b/docs/user/ppl/functions/datetime.rst
@@ -291,13 +291,38 @@ Return type: DATE
 
 Example::
 
-    >od source=people | eval `DATE('2020-08-26')` = DATE('2020-08-26'), `DATE(TIMESTAMP('2020-08-26 13:49:00'))` = DATE(TIMESTAMP('2020-08-26 13:49:00')) | fields `DATE('2020-08-26')`, `DATE(TIMESTAMP('2020-08-26 13:49:00'))`
+    os> source=people | eval `DATE('2020-08-26')` = DATE('2020-08-26') | fields `DATE('2020-08-26')`
     fetched rows / total rows = 1/1
-    +----------------------+------------------------------------------+
-    | DATE('2020-08-26')   | DATE(TIMESTAMP('2020-08-26 13:49:00'))   |
-    |----------------------+------------------------------------------|
-    | DATE '2020-08-26'    | DATE '2020-08-26'                        |
-    +----------------------+------------------------------------------+
+    +----------------------+
+    | DATE('2020-08-26')   |
+    |----------------------|
+    | 2020-08-26           |
+    +----------------------+
+
+    os> source=people | eval `DATE(TIMESTAMP('2020-08-26 13:49:00'))` = DATE(TIMESTAMP('2020-08-26 13:49:00')) | fields `DATE(TIMESTAMP('2020-08-26 13:49:00'))`
+    fetched rows / total rows = 1/1
+    +------------------------------------------+
+    | DATE(TIMESTAMP('2020-08-26 13:49:00'))   |
+    |------------------------------------------|
+    | 2020-08-26                               |
+    +------------------------------------------+
+
+    os> source=people | eval `DATE('2020-08-26 13:49')` = DATE('2020-08-26 13:49') | fields `DATE('2020-08-26 13:49')`
+    fetched rows / total rows = 1/1
+    +----------------------------+
+    | DATE('2020-08-26 13:49')   |
+    |----------------------------|
+    | 2020-08-26                 |
+    +----------------------------+
+
+    os> source=people | eval `DATE('2020-08-26 13:49')` = DATE('2020-08-26 13:49') | fields `DATE('2020-08-26 13:49')`
+    fetched rows / total rows = 1/1
+    +----------------------------+
+    | DATE('2020-08-26 13:49')   |
+    |----------------------------|
+    | 2020-08-26                 |
+    +----------------------------+
+
 
 
 DATE_ADD
@@ -1052,13 +1077,37 @@ Return type: TIME
 
 Example::
 
-    >od source=people | eval `TIME('13:49:00')` = TIME('13:49:00'), `TIME(TIMESTAMP('2020-08-26 13:49:00'))` = TIME(TIMESTAMP('2020-08-26 13:49:00')) | fields `TIME('13:49:00')`, `TIME(TIMESTAMP('2020-08-26 13:49:00'))`
+    os> source=people | eval `TIME('13:49:00')` = TIME('13:49:00') | fields `TIME('13:49:00')`
     fetched rows / total rows = 1/1
-    +--------------------+------------------------------------------+
-    | TIME('13:49:00')   | TIME(TIMESTAMP('2020-08-26 13:49:00'))   |
-    |--------------------+------------------------------------------|
-    | TIME '13:49:00'    | TIME '13:49:00'                          |
-    +--------------------+------------------------------------------+
+    +--------------------+
+    | TIME('13:49:00')   |
+    |--------------------|
+    | 13:49:00           |
+    +--------------------+
+
+    os> source=people | eval `TIME('13:49')` = TIME('13:49') | fields `TIME('13:49')`
+    fetched rows / total rows = 1/1
+    +-----------------+
+    | TIME('13:49')   |
+    |-----------------|
+    | 13:49:00        |
+    +-----------------+
+
+    os> source=people | eval `TIME('2020-08-26 13:49:00')` = TIME('2020-08-26 13:49:00') | fields `TIME('2020-08-26 13:49:00')`
+    fetched rows / total rows = 1/1
+    +-------------------------------+
+    | TIME('2020-08-26 13:49:00')   |
+    |-------------------------------|
+    | 13:49:00                      |
+    +-------------------------------+
+
+    os> source=people | eval `TIME('2020-08-26 13:49')` = TIME('2020-08-26 13:49') | fields `TIME('2020-08-26 13:49')`
+    fetched rows / total rows = 1/1
+    +----------------------------+
+    | TIME('2020-08-26 13:49')   |
+    |----------------------------|
+    | 13:49:00                   |
+    +----------------------------+
 
 
 TIME_TO_SEC