diff --git a/instrumentation/active_job/Appraisals b/instrumentation/active_job/Appraisals
index 1db020eeb..a318df014 100644
--- a/instrumentation/active_job/Appraisals
+++ b/instrumentation/active_job/Appraisals
@@ -4,18 +4,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-appraise 'activejob-6.0' do
-  gem 'activejob', '~> 6.0.0'
-end
-
-appraise 'activejob-6.1' do
-  gem 'activejob', '~> 6.1.0'
-end
-
-appraise 'activejob-7.0' do
-  gem 'activejob', '~> 7.0.0'
-end
-
-appraise 'activejob-7.1' do
-  gem 'activejob', '~> 7.1.0'
+%w[6.0.0 6.1.0 7.0.0 7.1.0].each do |version|
+  appraise "activejob-#{version}" do
+    gem 'activejob', "~> #{version}"
+  end
 end
diff --git a/instrumentation/active_job/lib/opentelemetry/instrumentation/active_job/patches/active_job_callbacks.rb b/instrumentation/active_job/lib/opentelemetry/instrumentation/active_job/patches/active_job_callbacks.rb
index c3f612599..973025352 100644
--- a/instrumentation/active_job/lib/opentelemetry/instrumentation/active_job/patches/active_job_callbacks.rb
+++ b/instrumentation/active_job/lib/opentelemetry/instrumentation/active_job/patches/active_job_callbacks.rb
@@ -73,7 +73,7 @@ def job_attributes(job)
               'messaging.destination' => job.queue_name,
               'messaging.message_id' => job.job_id,
               'messaging.active_job.provider_job_id' => job.provider_job_id,
-              'messaging.active_job.scheduled_at' => job.scheduled_at,
+              'messaging.active_job.scheduled_at' => job.scheduled_at&.to_f,
               'messaging.active_job.priority' => job.priority
             }
 
diff --git a/instrumentation/active_job/test/instrumentation/active_job/patches/active_job_callbacks_test.rb b/instrumentation/active_job/test/instrumentation/active_job/patches/active_job_callbacks_test.rb
index f2c6f996c..c5c59d95e 100644
--- a/instrumentation/active_job/test/instrumentation/active_job/patches/active_job_callbacks_test.rb
+++ b/instrumentation/active_job/test/instrumentation/active_job/patches/active_job_callbacks_test.rb
@@ -162,14 +162,21 @@
         end
       end
 
-      it 'is set correctly for jobs that do wait' do
+      it 'records the scheduled at time for apps running Rails 7.1 and newer' do
+        skip 'scheduled jobs behave differently in Rails 7.1+' if ActiveJob.version < Gem::Version.new('7.1')
+
         job = TestJob.set(wait: 0.second).perform_later
 
-        # Only the sending span is a 'scheduled' thing
-        _(publish_span.attributes['messaging.active_job.scheduled_at']).must_equal(job.scheduled_at)
-        assert(publish_span.attributes['messaging.active_job.scheduled_at'])
+        _(publish_span.attributes['messaging.active_job.scheduled_at']).must_equal(job.scheduled_at.to_f)
+        _(process_span.attributes['messaging.active_job.scheduled_at']).must_equal(job.scheduled_at.to_f)
+      end
+
+      it 'records the scheduled at time for apps running Rails 7.0 or older' do
+        skip 'scheduled jobs behave differently in Rails 7.1+' if ActiveJob.version >= Gem::Version.new('7.1')
+
+        job = TestJob.set(wait: 0.second).perform_later
 
-        # The processing span isn't a 'scheduled' thing
+        _(publish_span.attributes['messaging.active_job.scheduled_at']).must_equal(job.scheduled_at.to_f)
         _(process_span.attributes['messaging.active_job.scheduled_at']).must_be_nil
       end
     end