diff --git a/lib/rrule/humanizer.rb b/lib/rrule/humanizer.rb
index a1bf244..88b579e 100644
--- a/lib/rrule/humanizer.rb
+++ b/lib/rrule/humanizer.rb
@@ -48,7 +48,7 @@ def to_s
 
       raise 'Implement Until' if until_option
       if count_option
-        add 'for'
+        add 'for' unless subdaily?
         add count_option
         add plural?(count_option) ? 'times' : 'time'
       end
@@ -89,6 +89,25 @@ def plural?(num)
         num.to_i % 100 != 1
       end
 
+      def subdaily?
+        %w[HOURLY MINUTELY SECONDLY].include?(freq_option)
+      end
+
+      def hourly
+        add interval_option if interval_option != 1
+        add plural?(interval_option) ? 'hours' : 'hour'
+      end
+
+      def minutely
+        add interval_option if interval_option != 1
+        add plural?(interval_option) ? 'minutes' : 'minute'
+      end
+
+      def secondly
+        add interval_option if interval_option != 1
+        add plural?(interval_option) ? 'seconds' : 'second'
+      end
+
       def daily
         add interval_option if interval_option != 1
 
diff --git a/spec/rule_spec.rb b/spec/rule_spec.rb
index 3bcddb6..d3c0d77 100644
--- a/spec/rule_spec.rb
+++ b/spec/rule_spec.rb
@@ -2824,6 +2824,60 @@
 
       it { expect(rrule.humanize).to eq 'every month on the 14th and 15th' }
     end
+
+    context 'every hour' do
+      let(:rule) { 'FREQ=HOURLY;INTERVAL=1' }
+
+      it { expect(rrule.humanize).to eq 'every hour' }
+    end
+
+    context 'every 2 hours' do
+      let(:rule) { 'FREQ=HOURLY;INTERVAL=2' }
+
+      it { expect(rrule.humanize).to eq 'every 2 hours' }
+    end
+
+    context 'every 2 hours 5 times' do
+      let(:rule) { 'FREQ=HOURLY;INTERVAL=2;COUNT=5' }
+
+      it { expect(rrule.humanize).to eq 'every 2 hours 5 times' }
+    end
+
+    context 'every minute' do
+      let(:rule) { 'FREQ=MINUTELY;INTERVAL=1' }
+
+      it { expect(rrule.humanize).to eq 'every minute' }
+    end
+
+    context 'every 30 minutes' do
+      let(:rule) { 'FREQ=MINUTELY;INTERVAL=30' }
+
+      it { expect(rrule.humanize).to eq 'every 30 minutes' }
+    end
+
+    context 'every 15 minutes 10 times' do
+      let(:rule) { 'FREQ=MINUTELY;INTERVAL=15;COUNT=10' }
+
+      it { expect(rrule.humanize).to eq 'every 15 minutes 10 times' }
+    end
+
+    context 'every second' do
+      let(:rule) { 'FREQ=SECONDLY;INTERVAL=1' }
+
+      it { expect(rrule.humanize).to eq 'every second' }
+    end
+
+    context 'every 30 seconds' do
+      let(:rule) { 'FREQ=SECONDLY;INTERVAL=30' }
+
+      it { expect(rrule.humanize).to eq 'every 30 seconds' }
+    end
+
+    context 'every hour 1 time' do
+      let(:rule) { 'FREQ=HOURLY;INTERVAL=1;COUNT=1' }
+
+      it { expect(rrule.humanize).to eq 'every hour 1 time' }
+    end
   end
 
   describe '#is_finite?' do