diff --git a/src/Functions/FunctionsConversion.h b/src/Functions/FunctionsConversion.h
index 9c4085f9745..2e21932d0e2 100644
--- a/src/Functions/FunctionsConversion.h
+++ b/src/Functions/FunctionsConversion.h
@@ -145,13 +145,6 @@ struct ConvertImpl
         using ColVecFrom = typename FromDataType::ColumnType;
         using ColVecTo = typename ToDataType::ColumnType;
 
-        if (std::is_same_v<Name, NameToUnixTimestamp>)
-        {
-            if (isDateOrDate32(named_from.type))
-                throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Illegal type {} of first argument of function {}",
-                    named_from.type->getName(), Name::name);
-        }
-
         if constexpr ((IsDataTypeDecimal<FromDataType> || IsDataTypeDecimal<ToDataType>)
             && !(std::is_same_v<DataTypeDateTime64, FromDataType> || std::is_same_v<DataTypeDateTime64, ToDataType>))
         {
@@ -306,6 +299,8 @@ struct ConvertImpl
                         {
                             if constexpr (std::is_same_v<ToDataType, DataTypeIPv4> && std::is_same_v<FromDataType, DataTypeUInt64>)
                                 vec_to[i] = static_cast<ToFieldType>(static_cast<IPv4::UnderlyingType>(vec_from[i]));
+                            else if constexpr (std::is_same_v<Name, NameToUnixTimestamp> && (std::is_same_v<FromDataType, DataTypeDate> || std::is_same_v<FromDataType, DataTypeDate32>))
+                                vec_to[i] = static_cast<ToFieldType>(vec_from[i] * 86400);
                             else
                                 vec_to[i] = static_cast<ToFieldType>(vec_from[i]);
                         }
diff --git a/tests/queries/0_stateless/01592_toUnixTimestamp_Date.reference b/tests/queries/0_stateless/01592_toUnixTimestamp_Date.reference
index e69de29bb2d..f7d86529347 100644
--- a/tests/queries/0_stateless/01592_toUnixTimestamp_Date.reference
+++ b/tests/queries/0_stateless/01592_toUnixTimestamp_Date.reference
@@ -0,0 +1,4 @@
+1683676800
+1683676800
+1683676800
+1683676800
diff --git a/tests/queries/0_stateless/01592_toUnixTimestamp_Date.sql b/tests/queries/0_stateless/01592_toUnixTimestamp_Date.sql
index e8411484d71..f2ba18a3b55 100644
--- a/tests/queries/0_stateless/01592_toUnixTimestamp_Date.sql
+++ b/tests/queries/0_stateless/01592_toUnixTimestamp_Date.sql
@@ -1 +1,4 @@
-select toUnixTimestamp(today()); -- { serverError 44 }
+select toUnixTimestamp(makeDate(2023, 5, 10));
+select toUnixTimestamp(makeDate32(2023, 5, 10));
+select toUnixTimestamp(makeDate(2023, 5, 10), 'Pacific/Auckland');
+select toUnixTimestamp(makeDate32(2023, 5, 10), 'Pacific/Auckland');
\ No newline at end of file