diff --git a/app/models/time_budget_category.rb b/app/models/time_budget_category.rb
new file mode 100644
index 0000000..919c076
--- /dev/null
+++ b/app/models/time_budget_category.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class TimeBudgetCategory < Enumeration
+  has_many :time_budgets, foreign_key: :category_id
+
+  OptionName = :enumeration_time_budget_category
+
+  def option_name
+    OptionName
+  end
+end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 0a110b8..6704079 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1,3 +1,5 @@
 en:
   field_jobs: Jobs
   field_job: Job
+
+  enumeration_time_budget_category: Time budget categories