diff --git a/app/controllers/admin/schedulings_controller.rb b/app/controllers/admin/schedulings_controller.rb
index 83e43263b..8424fb4d4 100644
--- a/app/controllers/admin/schedulings_controller.rb
+++ b/app/controllers/admin/schedulings_controller.rb
@@ -37,7 +37,7 @@ def scheduled_publication_time
     raise StandardError, "cannot be blank" if scheduling_params.values.any?(&:blank?)
 
     begin
-      year, month, day, hour, minute = scheduling_params.to_h.sort.map { |_, v| Integer(v) }
+      year, month, day, hour, minute = scheduling_params.to_h.sort.map { |_, v| Integer(v.sub!(/^0*(?=.*.)/, "")) }
       raise ArgumentError unless year.to_s.match?(/^\d{4}$/) && Date.valid_date?(year, month, day)
 
       Time.zone.local(year, month, day, hour, minute)
diff --git a/spec/controllers/admin/schedulings_controller_spec.rb b/spec/controllers/admin/schedulings_controller_spec.rb
index c9cdb0f63..049990ba0 100644
--- a/spec/controllers/admin/schedulings_controller_spec.rb
+++ b/spec/controllers/admin/schedulings_controller_spec.rb
@@ -65,6 +65,39 @@
     end
 
     context "invalid params" do
+      [
+        %w[scheduled_publication_time 08 07 02345],
+        %w[scheduled_publication_time 8 9 002345],
+        %w[scheduled_publication_time 1 8 0002345],
+        %w[scheduled_publication_time 9 06 0000002345],
+      ].each do |param_base_name, day, month, year|
+        it "is valid for day #{day}, month #{month} and year #{year}" do
+          params = generate_scheduling_params(Time.zone.now)
+          params.merge!({ "#{param_base_name}(3i)" => day, "#{param_base_name}(2i)" => month, "#{param_base_name}(1i)" => year })
+
+          post :create, params: { edition_id: @edition.id, scheduling: params }
+
+          expect(response.body).not_to match(/Scheduled publication time is not in the correct format/)
+        end
+      end
+
+      [
+        %w[scheduled_publication_time 1 8],
+        %w[scheduled_publication_time 8 9],
+        %w[scheduled_publication_time 9 45],
+        %w[scheduled_publication_time 08 09],
+        %w[scheduled_publication_time 00 00],
+      ].each do |param_base_name, hour, minute|
+        it "is valid for hour #{hour} and minute #{minute} with or without leading 0s" do
+          params = generate_scheduling_params(Time.zone.now)
+          params.merge!({ "#{param_base_name}(4i)" => hour, "#{param_base_name}(5i)" => minute })
+
+          post :create, params: { edition_id: @edition.id, scheduling: params }
+
+          expect(response.body).not_to match(/Scheduled publication time is not in the correct format/)
+        end
+      end
+
       [
         ["scheduled_publication_time", "1", "asdf"],
         ["scheduled_publication_time", "2", "a"],