@@ -3,11 +3,11 @@ class ProfileController < ApplicationController
   end
 
   def update
-    first_name = params[:first_name]
-    last_name = params[:last_name]
+    user_params = params.require(:user)
     user = current_user
-    user.first_name = first_name
-    user.last_name = last_name
+    user.first_name = user_params[:first_name]
+    user.last_name = user_params[:last_name]
+    user.timezone = user_params[:timezone] || "Eastern Time (US &amp; Canada)"
     user.save!
     flash[:success] = "Your profile is updated!"
     redirect_to :profile
class ProfileController < ApplicationController
  def show
  end

  def update
    first_name = params[:first_name]
    last_name = params[:last_name]
    user = current_user
    user.first_name = first_name
    user.last_name = last_name
    user.save!
    flash[:success] = "Your profile is updated!"
    redirect_to :profile
  end
end

Does it matter that this is (slightly) different from the `DEFAULT_TIMEZONE` in `app/models/user.rb`?