diff --git a/packages/bigquery/src/index.js b/packages/bigquery/src/index.js
index 50fa39091dc..875984472d4 100644
--- a/packages/bigquery/src/index.js
+++ b/packages/bigquery/src/index.js
@@ -196,7 +196,7 @@ BigQuery.prototype.mergeSchemaWithRows_ = function(schema, rows) {
  * });
  */
 BigQuery.date =
-BigQuery.prototype.date = function(value) {
+BigQuery.prototype.date = function BigQueryDate(value) {
   if (!(this instanceof BigQuery.date)) {
     return new BigQuery.date(value);
   }
@@ -241,7 +241,7 @@ BigQuery.prototype.date = function(value) {
  * });
  */
 BigQuery.datetime =
-BigQuery.prototype.datetime = function(value) {
+BigQuery.prototype.datetime = function BigQueryDatetime(value) {
   if (!(this instanceof BigQuery.datetime)) {
     return new BigQuery.datetime(value);
   }
@@ -291,7 +291,7 @@ BigQuery.prototype.datetime = function(value) {
  * });
  */
 BigQuery.time =
-BigQuery.prototype.time = function(value) {
+BigQuery.prototype.time = function BigQueryTime(value) {
   if (!(this instanceof BigQuery.time)) {
     return new BigQuery.time(value);
   }
@@ -318,7 +318,7 @@ BigQuery.prototype.time = function(value) {
  * var timestamp = bigquery.timestamp(new Date());
  */
 BigQuery.timestamp =
-BigQuery.prototype.timestamp = function(value) {
+BigQuery.prototype.timestamp = function BigQueryTimestamp(value) {
   if (!(this instanceof BigQuery.timestamp)) {
     return new BigQuery.timestamp(value);
   }
diff --git a/packages/bigquery/src/table.js b/packages/bigquery/src/table.js
index d3c158b81a5..cdfc817df6c 100644
--- a/packages/bigquery/src/table.js
+++ b/packages/bigquery/src/table.js
@@ -274,6 +274,19 @@ Table.encodeValue_ = function(value) {
     return value.toString('base64');
   }
 
+  var customTypeConstructorNames = [
+    'BigQueryDate',
+    'BigQueryDatetime',
+    'BigQueryTime',
+    'BigQueryTimestamp',
+  ];
+  var constructorName = value.constructor.name;
+  var isCustomType = customTypeConstructorNames.indexOf(constructorName) > -1;
+
+  if (isCustomType) {
+    return value.value;
+  }
+
   if (is.date(value)) {
     return value.toJSON();
   }
diff --git a/packages/bigquery/system-test/bigquery.js b/packages/bigquery/system-test/bigquery.js
index 0f154f70873..24157bc4d77 100644
--- a/packages/bigquery/system-test/bigquery.js
+++ b/packages/bigquery/system-test/bigquery.js
@@ -1139,6 +1139,31 @@ describe('BigQuery', function() {
     });
   });
 
+  describe('Custom Types', function() {
+    var table;
+
+    var DATE = bigquery.date('2017-01-01');
+    var DATETIME = bigquery.datetime('2017-01-01 13:00:00');
+    var TIME = bigquery.time('14:00:00');
+    var TIMESTAMP = bigquery.timestamp(new Date());
+
+    before(function() {
+      table = dataset.table(generateName('table'));
+      return table.create({
+        schema: 'date:DATE, datetime:DATETIME, time:TIME, timestamp:TIMESTAMP'
+      });
+    });
+
+    it('inserts with custom types', function() {
+      return table.insert({
+        date: DATE,
+        datetime: DATETIME,
+        time: TIME,
+        timestamp: TIMESTAMP
+      });
+    });
+  });
+
   describe('Provided Tests', function() {
     var table = dataset.table(generateName('table'));
     var schema = require('./data/schema.json');
diff --git a/packages/bigquery/test/index.js b/packages/bigquery/test/index.js
index 5209372e8e2..58c46e520fa 100644
--- a/packages/bigquery/test/index.js
+++ b/packages/bigquery/test/index.js
@@ -379,6 +379,11 @@ describe('BigQuery', function() {
       assert(instanceD instanceof bq.date);
     });
 
+    it('should have the correct constructor name', function() {
+      var date = bq.date(INPUT_STRING);
+      assert.strictEqual(date.constructor.name, 'BigQueryDate');
+    });
+
     it('should accept a string', function() {
       var date = bq.date(INPUT_STRING);
       assert.strictEqual(date.value, INPUT_STRING);
@@ -415,6 +420,11 @@ describe('BigQuery', function() {
       assert(instanceDt instanceof bq.datetime);
     });
 
+    it('should have the correct constructor name', function() {
+      var datetime = bq.datetime(INPUT_STRING);
+      assert.strictEqual(datetime.constructor.name, 'BigQueryDatetime');
+    });
+
     it('should accept an object', function() {
       var datetime = bq.datetime(INPUT_OBJ);
       assert.strictEqual(datetime.value, EXPECTED_VALUE);
@@ -455,6 +465,11 @@ describe('BigQuery', function() {
       assert(instanceT instanceof bq.time);
     });
 
+    it('should have the correct constructor name', function() {
+      var time = bq.time(INPUT_STRING);
+      assert.strictEqual(time.constructor.name, 'BigQueryTime');
+    });
+
     it('should accept a string', function() {
       var time = bq.time(INPUT_STRING);
       assert.strictEqual(time.value, INPUT_STRING);
@@ -496,6 +511,11 @@ describe('BigQuery', function() {
       assert(instanceT instanceof bq.timestamp);
     });
 
+    it('should have the correct constructor name', function() {
+      var timestamp = bq.timestamp(INPUT_STRING);
+      assert.strictEqual(timestamp.constructor.name, 'BigQueryTimestamp');
+    });
+
     it('should accept a string', function() {
       var timestamp = bq.timestamp(INPUT_STRING);
       assert.strictEqual(timestamp.value, EXPECTED_VALUE);
diff --git a/packages/bigquery/test/table.js b/packages/bigquery/test/table.js
index a649b6a0ece..41da8edc05b 100644
--- a/packages/bigquery/test/table.js
+++ b/packages/bigquery/test/table.js
@@ -257,6 +257,23 @@ describe('BigQuery/Table', function() {
       assert.strictEqual(Table.encodeValue_(date), date.toJSON());
     });
 
+    it('should properly encode custom types', function() {
+      function BigQueryDate(value) { this.value = value; }
+      function BigQueryDatetime(value) { this.value = value; }
+      function BigQueryTime(value) { this.value = value; }
+      function BigQueryTimestamp(value) { this.value = value; }
+
+      var date = new BigQueryDate('date');
+      var datetime = new BigQueryDatetime('datetime');
+      var time = new BigQueryTime('time');
+      var timestamp = new BigQueryTimestamp('timestamp');
+
+      assert.strictEqual(Table.encodeValue_(date), 'date');
+      assert.strictEqual(Table.encodeValue_(datetime), 'datetime');
+      assert.strictEqual(Table.encodeValue_(time), 'time');
+      assert.strictEqual(Table.encodeValue_(timestamp), 'timestamp');
+    });
+
     it('should properly encode arrays', function() {
       var buffer = new Buffer('test');
       var date = new Date();