diff --git a/lib/rspec/sidekiq/matchers/have_enqueued_job.rb b/lib/rspec/sidekiq/matchers/have_enqueued_job.rb
index 4ab86df..124a30f 100644
--- a/lib/rspec/sidekiq/matchers/have_enqueued_job.rb
+++ b/lib/rspec/sidekiq/matchers/have_enqueued_job.rb
@@ -18,7 +18,7 @@ def initialize(job)
         end
 
         def matches?(option, value)
-          raise ArgumentError, "Option `#{option}` is not defined." unless %w(in at).include?(option.to_s)
+          raise ArgumentError, "Option `#{option}` is not defined." unless %w[at].include?(option.to_s)
           send("#{option}_evaluator", value)
         end
 
@@ -26,12 +26,7 @@ def matches?(option, value)
 
         def at_evaluator(value)
           return false if job['at'].to_s.empty?
-          value.to_time.to_i == Time.at(job['at']).to_i
-        end
-
-        def in_evaluator(value)
-          return false if job['at'].to_s.empty?
-          (Time.now + value).to_i == Time.at(job['at']).to_i
+          value == Time.at(job['at']).to_i
         end
       end
 
@@ -80,7 +75,7 @@ def active_job_original_args
       end
 
       class EnqueuedJobs
-        attr_reader :jobs, :actual_arguments, :actual_options
+        attr_reader :jobs
 
         def initialize(klass)
           @jobs = unwrap_jobs(klass.jobs)
@@ -98,7 +93,7 @@ def actual_options
           @actual_options ||= if jobs.is_a?(Hash)
             jobs.values
           else
-            jobs.flatten.map { |j| { 'at' => j['at'] } }
+            jobs.flatten.map { |j| {"at" => j["at"]} }
           end
         end
 
@@ -149,12 +144,12 @@ def matches?(klass)
         end
 
         def at(timestamp)
-          @expected_options['at'] = timestamp
+          @expected_options['at'] = timestamp.to_time.to_i
           self
         end
 
         def in(interval)
-          @expected_options['in'] = interval
+          @expected_options['at'] = (Time.now.to_f + interval.to_f).to_i
           self
         end
 
diff --git a/spec/rspec/sidekiq/matchers/have_enqueued_job_spec.rb b/spec/rspec/sidekiq/matchers/have_enqueued_job_spec.rb
index e5d3eea..34dd546 100644
--- a/spec/rspec/sidekiq/matchers/have_enqueued_job_spec.rb
+++ b/spec/rspec/sidekiq/matchers/have_enqueued_job_spec.rb
@@ -13,43 +13,45 @@
   before(:each) do
     GlobalID.app = 'rspec-sidekiq'
     allow(GlobalID::Locator).to receive(:locate).and_return(resource)
-    worker.perform_async *worker_args
-    active_job.perform_later "someResource", *worker_args
-    active_job.perform_later(resource)
-    TestActionMailer.testmail(*worker_args).deliver_later
-    TestActionMailer.testmail(resource).deliver_later
   end
 
   describe 'expected usage' do
     context 'Sidekiq' do
       it 'matches' do
+        worker.perform_async *worker_args
         expect(worker).to have_enqueued_sidekiq_job *worker_args
       end
 
       it 'matches on the global Worker queue' do
+        worker.perform_async *worker_args
         expect(Sidekiq::Worker).to have_enqueued_sidekiq_job *worker_args
       end
 
       context 'perform_in' do
         let(:worker_args_in) { worker_args + ['in'] }
 
-        before(:each) do
-          worker.perform_in 3.minutes, *worker_args_in
-        end
-
         it 'matches on an scheduled job with #perform_in' do
+          worker.perform_in interval, *worker_args_in
           expect(worker).to have_enqueued_sidekiq_job(*worker_args_in).in(interval)
         end
+
+        context "when crossing daylight saving time lines" do
+          let(:interval) { 1.day }
+
+          it "matches on a scheduled job with #perform_in" do
+            travel_to Time.new(2023, 3, 12, 0, 0, 0, "-05:00") do # 2 hours before DST starts
+              worker.perform_in interval, *worker_args_in
+              expect(worker).to have_enqueued_sidekiq_job(*worker_args_in).in(interval)
+            end
+          end
+        end
       end
 
       context 'perform_at' do
         let(:worker_args_at) { worker_args + ['at'] }
 
-        before(:each) do
-          worker.perform_at tomorrow, *worker_args_at
-        end
-
         it 'matches on an scheduled job with #perform_at' do
+          worker.perform_at tomorrow, *worker_args_at
           expect(worker).to have_enqueued_sidekiq_job(*worker_args_at).at(tomorrow)
         end
       end
@@ -57,16 +59,19 @@
 
     context 'ActiveJob' do
       it 'matches on an enqueued ActiveJob' do
+        active_job.perform_later "someResource", *worker_args
         expect(Sidekiq::Worker).to have_enqueued_sidekiq_job 'someResource', *worker_args
       end
 
       it 'matches on an enqueued ActiveJob by global_id-capable object' do
+        active_job.perform_later(resource)
         expect(Sidekiq::Worker).to have_enqueued_sidekiq_job(resource)
       end
     end
 
     context 'ActionMailer' do
       it 'matches on ActionMailer Job' do
+        TestActionMailer.testmail(*worker_args).deliver_later
         expect(Sidekiq::Worker).to have_enqueued_sidekiq_job(
           'TestActionMailer',
           'testmail',
@@ -76,6 +81,7 @@
       end
 
       it 'matches on ActionMailer with a resource Job' do
+        TestActionMailer.testmail(resource).deliver_later
         expect(Sidekiq::Worker).to have_enqueued_sidekiq_job(
           'TestActionMailer',
           'testmail',
@@ -88,16 +94,19 @@
 
   describe '#have_enqueued_sidekiq_job' do
     it 'returns instance' do
+      worker.perform_async *worker_args
       expect(have_enqueued_sidekiq_job).to be_a RSpec::Sidekiq::Matchers::HaveEnqueuedJob
     end
 
     it 'matches the same way have_enqueued_sidekiq_job does' do
+      worker.perform_async *worker_args
       expect(worker).to have_enqueued_sidekiq_job *worker_args
     end
   end
 
   describe '#description' do
     it 'returns description' do
+      worker.perform_async *worker_args
       argument_subject.matches? worker
       expect(argument_subject.description).to eq %{have an enqueued #{worker} job with arguments [\"string\", 1, true, {\"key\"=>\"value\", \"bar\"=>\"foo\", \"nested\"=>[{\"hash\"=>true}]}]}
     end
@@ -105,6 +114,7 @@
 
   describe '#failure_message' do
     it 'returns message' do
+      worker.perform_async *worker_args
       argument_subject.matches? worker
       expect(argument_subject.failure_message).to eq <<-eos.gsub(/^ {6}/, '').strip
       expected to have an enqueued #{worker} job
@@ -119,6 +129,7 @@
 
   describe '#failure_message_when_negated' do
     it 'returns message' do
+      worker.perform_async *worker_args
       argument_subject.matches? worker
       expect(argument_subject.failure_message_when_negated).to eq <<-eos.gsub(/^ {6}/, '').strip
       expected not to have an enqueued #{worker} job
@@ -145,36 +156,32 @@
 
       context 'when job is scheduled' do
         context 'with #perform_at' do
-          before(:each) do
-            worker.perform_at(tomorrow, *worker_args)
-          end
-
           context 'and timestamp matches' do
             it 'returns true' do
+              worker.perform_at(tomorrow, *worker_args)
               expect(matcher_subject.at(tomorrow).matches? worker).to be true
             end
           end
 
           context 'and timestamp does not match' do
             it 'returns false' do
+              worker.perform_at(tomorrow, *worker_args)
               expect(matcher_subject.at(tomorrow + 1).matches? worker).to be false
             end
           end
         end
 
         context 'with #perform_in' do
-          before(:each) do
-            worker.perform_in(interval, *worker_args)
-          end
-
           context 'and interval matches' do
             it 'returns true' do
+              worker.perform_in(interval, *worker_args)
               expect(matcher_subject.in(interval).matches? worker).to be true
             end
           end
 
           context 'and interval does not match' do
             it 'returns false' do
+              worker.perform_in(interval, *worker_args)
               expect(matcher_subject.in(interval + 1.minute).matches? worker).to be false
             end
           end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8bba386..87d1afe 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -5,6 +5,7 @@
 
 require 'active_job'
 require 'action_mailer'
+require 'active_support/testing/time_helpers'
 
 require_relative 'support/init'
 
@@ -12,6 +13,7 @@
   config.disable_monkey_patching!
 
   config.include RSpec::Sidekiq::Spec::Support::Factories
+  config.include ActiveSupport::Testing::TimeHelpers
 
   # Add a setting to store our Sidekiq Version and share that around the specs
   config.add_setting :sidekiq_gte_7