diff --git a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/CoralToTrinoSqlCallConverter.java b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/CoralToTrinoSqlCallConverter.java
index 71626def8..298ca5bdb 100644
--- a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/CoralToTrinoSqlCallConverter.java
+++ b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/CoralToTrinoSqlCallConverter.java
@@ -8,6 +8,8 @@
 import java.util.Collection;
 import java.util.Map;
 
+import com.linkedin.coral.common.transformers.SqlCallTransformer;
+import com.linkedin.coral.trino.rel2trino.functions.TrinoFromUnixtimeFunction;
 import org.apache.calcite.sql.SqlCall;
 import org.apache.calcite.sql.SqlNode;
 import org.apache.calcite.sql.SqlOperator;
@@ -37,7 +39,7 @@
 import com.linkedin.coral.trino.rel2trino.transformers.ToDateOperatorTransformer;
 import com.linkedin.coral.trino.rel2trino.transformers.UnnestOperatorTransformer;
 
-import static com.linkedin.coral.trino.rel2trino.CoralTrinoConfigKeys.*;
+import static com.linkedin.coral.trino.rel2trino.CoralTrinoConfigKeys.AVOID_TRANSFORM_TO_DATE_UDF;
 
 
 /**
@@ -107,6 +109,18 @@ protected SqlCall transform(SqlCall sqlCall) {
             null, null),
         new ToDateOperatorTransformer(configs.getOrDefault(AVOID_TRANSFORM_TO_DATE_UDF, false)),
         new CurrentTimestampTransformer(), new FromUnixtimeOperatorTransformer(),
+        // Avoid unintentional transformation of Trino's from_unixtime SQL calls
+        new SqlCallTransformer() {
+            @Override
+            protected boolean condition(SqlCall sqlCall) {
+                return "trino_from_unixtime".equalsIgnoreCase(sqlCall.getOperator().getName());
+            }
+
+            @Override
+            protected SqlCall transform(SqlCall sqlCall) {
+                return TrinoFromUnixtimeFunction.INSTANCE.createCall(SqlParserPos.ZERO, sqlCall.getOperandList());
+            }
+        },
 
         // LinkedIn specific functions
         new CoralRegistryOperatorRenameSqlCallTransformer(
diff --git a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/functions/TrinoFromUnixtimeFunction.java b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/functions/TrinoFromUnixtimeFunction.java
new file mode 100644
index 000000000..246c5aefb
--- /dev/null
+++ b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/functions/TrinoFromUnixtimeFunction.java
@@ -0,0 +1,87 @@
+/**
+ * Copyright 2019-2023 LinkedIn Corporation. All rights reserved.
+ * Licensed under the BSD-2 Clause license.
+ * See LICENSE in the project root for license information.
+ */
+package com.linkedin.coral.trino.rel2trino.functions;
+
+import com.linkedin.coral.common.functions.FunctionReturnTypes;
+import org.apache.calcite.rel.type.RelDataType;
+import org.apache.calcite.rel.type.RelDataTypeFactory;
+import org.apache.calcite.sql.SqlCall;
+import org.apache.calcite.sql.SqlCallBinding;
+import org.apache.calcite.sql.SqlKind;
+import org.apache.calcite.sql.SqlNode;
+import org.apache.calcite.sql.SqlOperandCountRange;
+import org.apache.calcite.sql.SqlOperator;
+import org.apache.calcite.sql.SqlOperatorBinding;
+import org.apache.calcite.sql.SqlSpecialOperator;
+import org.apache.calcite.sql.SqlSyntax;
+import org.apache.calcite.sql.SqlUtil;
+import org.apache.calcite.sql.SqlWriter;
+import org.apache.calcite.sql.parser.SqlParserPos;
+import org.apache.calcite.sql.type.OperandTypes;
+import org.apache.calcite.sql.type.SqlOperandCountRanges;
+import org.apache.calcite.sql.type.SqlSingleOperandTypeChecker;
+import org.apache.calcite.sql.type.SqlTypeFamily;
+import org.apache.calcite.sql.type.SqlTypeName;
+
+import java.util.Arrays;
+
+
+/**
+ * TrinoFromUnixtimeFunction represents a SQL operator that maps to Trino's `from_unixtime` function
+ * which is namesake, but with different signature, with Hive's `from_unixtime` function.
+ */
+public class TrinoFromUnixtimeFunction extends SqlOperator {
+
+  public static final TrinoFromUnixtimeFunction INSTANCE = new TrinoFromUnixtimeFunction();
+
+  private TrinoFromUnixtimeFunction() {
+    super("from_unixtime", SqlKind.OTHER_FUNCTION, 100, true, FunctionReturnTypes.TIMESTAMP, null, null);
+  }
+
+  @Override
+  public void unparse(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) {
+    SqlUtil.unparseFunctionSyntax(this, writer, call);
+  }
+
+  @Override
+  public SqlOperandCountRange getOperandCountRange() {
+    return SqlOperandCountRanges.between(1, 3);
+  }
+
+  @Override
+  public boolean checkOperandTypes(SqlCallBinding callBinding, boolean throwOnFailure) {
+    final SqlNode firstOperand = callBinding.operand(0);
+    if (!OperandTypes.family(SqlTypeFamily.NUMERIC).checkSingleOperandType(callBinding, firstOperand, 0, throwOnFailure)) {
+      return false;
+    }
+
+    if (callBinding.getOperandCount() == 2){
+      final SqlNode secondOperand = callBinding.operand(1);
+      if (!OperandTypes.family(SqlTypeFamily.STRING).checkSingleOperandType(callBinding, secondOperand, 0, throwOnFailure)) {
+        return false;
+      }
+    }
+
+    if (callBinding.getOperandCount() == 2){
+      final SqlNode secondOperand = callBinding.operand(1);
+      final SqlNode thirdOperand = callBinding.operand(2);
+      if (!OperandTypes.family(SqlTypeFamily.NUMERIC).checkSingleOperandType(callBinding, secondOperand, 0, throwOnFailure)) {
+        return false;
+      }
+      if (!OperandTypes.family(SqlTypeFamily.NUMERIC).checkSingleOperandType(callBinding, thirdOperand, 0, throwOnFailure)) {
+        return false;
+      }
+    }
+
+    // unknown function signature
+    return false;
+  }
+
+  @Override
+  public SqlSyntax getSyntax() {
+    return SqlSyntax.FUNCTION;
+  }
+}
diff --git a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/transformers/FromUtcTimestampOperatorTransformer.java b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/transformers/FromUtcTimestampOperatorTransformer.java
index 7d7535cd1..a5a40ba5d 100644
--- a/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/transformers/FromUtcTimestampOperatorTransformer.java
+++ b/coral-trino/src/main/java/com/linkedin/coral/trino/rel2trino/transformers/FromUtcTimestampOperatorTransformer.java
@@ -54,7 +54,7 @@ public class FromUtcTimestampOperatorTransformer extends SqlCallTransformer {
   private static final String WITH_TIMEZONE = "with_timezone";
   private static final String TO_UNIXTIME = "to_unixtime";
   private static final String FROM_UNIXTIME_NANOS = "from_unixtime_nanos";
-  private static final String FROM_UNIXTIME = "from_unixtime";
+  private static final String TRINO_FROM_UNIXTIME = "trino_from_unixtime";
   private static final String CANONICALIZE_HIVE_TIMEZONE_ID = "$canonicalize_hive_timezone_id";
 
   public FromUtcTimestampOperatorTransformer(TypeDerivationUtil typeDerivationUtil) {
@@ -86,7 +86,7 @@ protected SqlCall transform(SqlCall sqlCall) {
     SqlOperator trinoFromUnixtimeNanos =
         createSqlOperator(FROM_UNIXTIME_NANOS, explicit(TIMESTAMP /* should be WITH TIME ZONE */));
     SqlOperator trinoFromUnixTime =
-        createSqlOperator(FROM_UNIXTIME, explicit(TIMESTAMP /* should be WITH TIME ZONE */));
+        createSqlOperator(TRINO_FROM_UNIXTIME, explicit(TIMESTAMP /* should be WITH TIME ZONE */));
     SqlOperator trinoCanonicalizeHiveTimezoneId = createSqlOperator(CANONICALIZE_HIVE_TIMEZONE_ID, explicit(VARCHAR));
 
     SqlCall canonicalizeHiveTimezoneIdSqlCall = trinoCanonicalizeHiveTimezoneId.createCall(ZERO, timezone);
diff --git a/coral-trino/src/test/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverterTest.java b/coral-trino/src/test/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverterTest.java
index 816df7bc0..fc5c98923 100644
--- a/coral-trino/src/test/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverterTest.java
+++ b/coral-trino/src/test/java/com/linkedin/coral/trino/rel2trino/HiveToTrinoConverterTest.java
@@ -159,7 +159,7 @@ public Object[][] viewTestCasesProvider() {
         { "test", "get_json_object_view", "SELECT \"json_extract\"(\"tablea\".\"b\".\"b1\", '$.name')\n"
             + "FROM \"test\".\"tablea\" AS \"tablea\"" },
 
-        { "test", "view_from_utc_timestamp", "SELECT CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_tinyint\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_smallint\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_integer\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_bigint\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_float\" AS DOUBLE)), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_double\" AS DOUBLE)), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_decimal_three\" AS DOUBLE)), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_decimal_zero\" AS DOUBLE)), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp\".\"a_timestamp\", 'UTC'))), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp\".\"a_date\", 'UTC'))), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3))\n"
+        { "test", "view_from_utc_timestamp", "SELECT CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_tinyint\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_smallint\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_integer\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime_nanos\"(CAST(\"table_from_utc_timestamp\".\"a_bigint\" AS BIGINT) * 1000000), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_float\" AS DOUBLE)), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_double\" AS DOUBLE)), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_decimal_three\" AS DOUBLE)), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp\".\"a_decimal_zero\" AS DOUBLE)), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp\".\"a_timestamp\", 'UTC'))), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), CAST(\"at_timezone\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp\".\"a_date\", 'UTC'))), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3))\n"
             + "FROM \"test\".\"table_from_utc_timestamp\" AS \"table_from_utc_timestamp\"" },
 
         { "test", "date_calculation_view", "SELECT \"date\"(CAST(\"substr\"('2021-08-20', 1, 10) AS TIMESTAMP)), \"date\"(CAST('2021-08-20' AS TIMESTAMP)), \"date\"(CAST('2021-08-20 00:00:00' AS TIMESTAMP)), \"date_add\"('day', 1, \"date\"(CAST('2021-08-20' AS TIMESTAMP))), \"date_add\"('day', 1, \"date\"(CAST('2021-08-20 00:00:00' AS TIMESTAMP))), \"date_add\"('day', 1 * -1, \"date\"(CAST('2021-08-20' AS TIMESTAMP))), \"date_add\"('day', 1 * -1, \"date\"(CAST('2021-08-20 00:00:00' AS TIMESTAMP))), CAST(\"date_diff\"('day', \"date\"(CAST('2021-08-21' AS TIMESTAMP)), \"date\"(CAST('2021-08-20' AS TIMESTAMP))) AS INTEGER), CAST(\"date_diff\"('day', \"date\"(CAST('2021-08-19' AS TIMESTAMP)), \"date\"(CAST('2021-08-20' AS TIMESTAMP))) AS INTEGER), CAST(\"date_diff\"('day', \"date\"(CAST('2021-08-19 23:59:59' AS TIMESTAMP)), \"date\"(CAST('2021-08-20 00:00:00' AS TIMESTAMP))) AS INTEGER)\n"
@@ -547,7 +547,7 @@ public void testCastNestedTimestampToDecimal() {
     relNode = TestUtils.getHiveToRelConverter().convertSql(
         "SELECT CAST(from_utc_timestamp(a_date, 'America/Los_Angeles') AS DECIMAL(10, 0)) AS d\nFROM test.table_from_utc_timestamp");
     targetSql =
-        "SELECT CAST(\"to_unixtime\"(\"with_timezone\"(CAST(\"at_timezone\"(\"format_datetime\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp0\".\"a_date\", 'UTC'))), 'yyyy-MM-dd HH:mm:ss'), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), 'UTC')) AS DECIMAL(10, 0)) AS \"d\"\n"
+        "SELECT CAST(\"to_unixtime\"(\"with_timezone\"(CAST(\"at_timezone\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp0\".\"a_date\", 'UTC'))), \"$canonicalize_hive_timezone_id\"('America/Los_Angeles')) AS TIMESTAMP(3)), 'UTC')) AS DECIMAL(10, 0)) AS \"d\"\n"
             + "FROM \"test\".\"table_from_utc_timestamp\" AS \"table_from_utc_timestamp0\"";
     expandedSql = relToTrinoConverter.convert(relNode);
     assertEquals(expandedSql, targetSql);
@@ -568,7 +568,7 @@ public void testSubstrWithTimestampOperator() {
     relNode = TestUtils.getHiveToRelConverter().convertSql(
         "SELECT substring(from_utc_timestamp(a_decimal_three,'PST'),1,10) AS d\nFROM test.table_from_utc_timestamp");
     targetSql =
-        "SELECT \"substr\"(CAST(CAST(\"at_timezone\"(CAST(\"format_datetime\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp0\".\"a_decimal_three\" AS DOUBLE)), 'yyyy-MM-dd HH:mm:ss') AS TIMESTAMP), \"$canonicalize_hive_timezone_id\"('PST')) AS TIMESTAMP(3)) AS VARCHAR(65535)), 1, 10) AS \"d\"\n"
+        "SELECT \"substr\"(CAST(CAST(\"at_timezone\"(\"from_unixtime\"(CAST(\"table_from_utc_timestamp0\".\"a_decimal_three\" AS DOUBLE)), \"$canonicalize_hive_timezone_id\"('PST')) AS TIMESTAMP(3)) AS VARCHAR(65535)), 1, 10) AS \"d\"\n"
             + "FROM \"test\".\"table_from_utc_timestamp\" AS \"table_from_utc_timestamp0\"";
     expandedSql = relToTrinoConverter.convert(relNode);
     assertEquals(expandedSql, targetSql);
@@ -576,7 +576,7 @@ public void testSubstrWithTimestampOperator() {
     relNode = TestUtils.getHiveToRelConverter().convertSql(
         "SELECT substring(from_utc_timestamp(a_timestamp,'PST'),1,10) AS d\nFROM test.table_from_utc_timestamp");
     targetSql =
-        "SELECT \"substr\"(CAST(CAST(\"at_timezone\"(CAST(\"format_datetime\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp1\".\"a_timestamp\", 'UTC'))), 'yyyy-MM-dd HH:mm:ss') AS TIMESTAMP), \"$canonicalize_hive_timezone_id\"('PST')) AS TIMESTAMP(3)) AS VARCHAR(65535)), 1, 10) AS \"d\"\n"
+        "SELECT \"substr\"(CAST(CAST(\"at_timezone\"(\"from_unixtime\"(\"to_unixtime\"(\"with_timezone\"(\"table_from_utc_timestamp1\".\"a_timestamp\", 'UTC'))), \"$canonicalize_hive_timezone_id\"('PST')) AS TIMESTAMP(3)) AS VARCHAR(65535)), 1, 10) AS \"d\"\n"
             + "FROM \"test\".\"table_from_utc_timestamp\" AS \"table_from_utc_timestamp1\"";
     expandedSql = relToTrinoConverter.convert(relNode);
     assertEquals(expandedSql, targetSql);