diff --git a/gulpfile.js b/gulpfile.js
index 4e96cd278..d879fdb84 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -801,6 +801,14 @@ function getRebuildBranchName() {
   return 'rebuild_' + mm + '_' + dd + '_' + yyyy;
 };
 
+// Helper function: get a name for a rebuild branch. Format: rebuild_yyyy_mm.
+function getRCBranchName() {
+  var date = new Date();
+  var mm = date.getMonth() + 1; // Month, 0-11
+  var yyyy = date.getFullYear();
+  return 'rc_' + yyyy + '_' + mm;
+};
+
 // Recompile and push to origin.
 gulp.task('recompile', gulp.series([
     'git-sync-develop',
@@ -822,3 +830,17 @@ gulp.task('recompile', gulp.series([
     }
   ])
 );
+
+// Create and push an RC branch.
+// Note that this pushes to google/blockly.
+gulp.task('git-create-rc', gulp.series([
+    'git-sync-develop',
+    function(done) {
+      var branchName = getRCBranchName();
+      execSync('git checkout -b ' + branchName, { stdio: 'inherit' });
+      execSync('git push https://github.com/google/blockly.git ' + branchName,
+          { stdio: 'inherit' });
+      done();
+    },
+  ])
+);