diff --git a/app/controllers/discourse_rewind/rewinds_controller.rb b/app/controllers/discourse_rewind/rewinds_controller.rb
index f1a9cf7..00a15dd 100644
--- a/app/controllers/discourse_rewind/rewinds_controller.rb
+++ b/app/controllers/discourse_rewind/rewinds_controller.rb
@@ -6,6 +6,8 @@ module ::DiscourseRewind
 
     def show
       DiscourseRewind::Rewind::Fetch.call(service_params) do
+        on_model_not_found(:year) { raise Discourse::NotFound }
+        on_model_not_found(:user) { raise Discourse::NotFound }
         on_success do |reports:|
           @reports = reports
           render json: MultiJson.dump(reports), status: 200
diff --git a/app/services/discourse_rewind/rewind/action/fbff.rb b/app/services/discourse_rewind/rewind/action/fbff.rb
index 24dbef5..2d03a82 100644
--- a/app/services/discourse_rewind/rewind/action/fbff.rb
+++ b/app/services/discourse_rewind/rewind/action/fbff.rb
@@ -62,9 +62,11 @@ module DiscourseRewind
         fbffs
           .flatten
           .inject { |h1, h2| h1.merge(h2) { |_, v1, v2| v1 + v2 } }
-          .sort_by { |_, v| -v }
-          .first
-          .first
+          &.sort_by { |_, v| -v }
+          &.first
+          &.first
+
+      return if !fbff_id
 
       {
         data: {
diff --git a/app/services/discourse_rewind/rewind/action/reactions.rb b/app/services/discourse_rewind/rewind/action/reactions.rb
index 6641edc..bcf9667 100644
--- a/app/services/discourse_rewind/rewind/action/reactions.rb
+++ b/app/services/discourse_rewind/rewind/action/reactions.rb
@@ -85,7 +85,7 @@ module DiscourseRewind
     end
 
     def sort_and_limit(reactions)
-      reactions.sort_by { |_, v| -v }.first(5).to_h
+      reactions.sort_by { |_, v| v }.first(5).to_h
     end
   end
 end
diff --git a/app/services/discourse_rewind/rewind/action/reading_time.rb b/app/services/discourse_rewind/rewind/action/reading_time.rb
index 94e5732..265fdc8 100644
--- a/app/services/discourse_rewind/rewind/action/reading_time.rb
+++ b/app/services/discourse_rewind/rewind/action/reading_time.rb
@@ -6,12 +6,15 @@ module DiscourseRewind
   class Rewind::Action::ReadingTime < Rewind::Action::BaseReport
     def call
       reading_time = UserVisit.where(user_id: user.id).where(visited_at: date).sum(:time_read)
+      book = best_book_fit(reading_time)
+
+      return if book.nil?
 
       {
         data: {
           reading_time: reading_time,
-          book: best_book_fit(reading_time)[:title],
-          isbn: best_book_fit(reading_time)[:isbn],
+          book: book[:title],
+          isbn: book[:isbn],
         },
         identifier: "reading-time",
       }
@@ -114,6 +117,8 @@ module DiscourseRewind
         reading_time_rest -= best_fit.last[:reading_time]
       end
 
+      return if books.empty?
+
       book_title =
         books.group_by { |book| book }.transform_values(&:count).max_by { |_, count| count }.first
 
diff --git a/app/services/discourse_rewind/rewind/fetch.rb b/app/services/discourse_rewind/rewind/fetch.rb
index 830a58d..c03f9d6 100644
--- a/app/services/discourse_rewind/rewind/fetch.rb
+++ b/app/services/discourse_rewind/rewind/fetch.rb
@@ -20,8 +20,7 @@ module DiscourseRewind
 
     CACHE_DURATION = 5.minutes
 
-    YEAR = 2024
-
+    model :year
     model :user
     model :date
     model :reports
@@ -32,12 +31,27 @@ module DiscourseRewind
       User.find_by_username(guardian.user.username)
     end
 
-    def fetch_date(params:)
-      Date.new(YEAR).all_year
+    def fetch_year
+      current_date = Time.zone.now
+      current_month = current_date.month
+      current_year = current_date.year
+
+      case current_month
+      when 1
+        current_year - 1
+      when 12
+        current_year
+      else
+        false
+      end
     end
 
-    def fetch_reports(date:, user:, guardian:)
-      key = "rewind:#{guardian.user.username}:#{YEAR}"
+    def fetch_date(params:, year:)
+      Date.new(year).all_year
+    end
+
+    def fetch_reports(date:, user:, guardian:, year:)
+      key = "rewind:#{guardian.user.username}:#{year}"
       reports = Discourse.redis.get(key)
 
       if Rails.env.development? || !reports
@@ -48,7 +62,7 @@ module DiscourseRewind
             .map { |report| report.call(date:, user:, guardian:) }
         Discourse.redis.setex(key, CACHE_DURATION, MultiJson.dump(reports))
       else
-        reports = MultiJson.load(reports, symbolize_keys: true)
+        reports = MultiJson.load(reports.compact, symbolize_keys: true)
       end
 
       reports
diff --git a/assets/javascripts/discourse/components/reports/favorite-tags.gjs b/assets/javascripts/discourse/components/reports/favorite-tags.gjs
index a185225..9d60bfd 100644
--- a/assets/javascripts/discourse/components/reports/favorite-tags.gjs
+++ b/assets/javascripts/discourse/components/reports/favorite-tags.gjs
@@ -13,7 +13,7 @@ const FavoriteTags = <template>
           <div class="rewind-card">
             <a
               class="favorite-tags__tag"
-              href={{concat "/tag/-/" data.name}}
+              href={{concat "/tag/" data.name}}
             >#{{data.name}}</a>
           </div>
         {{/each}}
diff --git a/assets/javascripts/discourse/components/reports/introduction.gjs b/assets/javascripts/discourse/components/reports/introduction.gjs
index a9534ea..7def98e 100644
--- a/assets/javascripts/discourse/components/reports/introduction.gjs
+++ b/assets/javascripts/discourse/components/reports/introduction.gjs
@@ -1,11 +1,11 @@
 const Introduction = <template>
   <div class="rewind__introduction">
     <img
-      class="rewind-logo-light"
+      class="rewind-logo -light"
       src="/plugins/discourse-rewind/images/discourse-rewind-logo.png"
     />
     <img
-      class="rewind-logo-dark"
+      class="rewind-logo -dark"
       src="/plugins/discourse-rewind/images/discourse-rewind-logo-dark.png"
     />
   </div>
diff --git a/assets/javascripts/discourse/components/reports/reactions.gjs b/assets/javascripts/discourse/components/reports/reactions.gjs
index 062b7d6..b4dc07f 100644
--- a/assets/javascripts/discourse/components/reports/reactions.gjs
+++ b/assets/javascripts/discourse/components/reports/reactions.gjs
@@ -37,6 +37,7 @@ export default class Reactions extends Component {
           "discourse_rewind.reports.post_received_reactions.title"
         }}</h2>
       <div class="rewind-report-container">
+        {{log this.receivedReactions}}
         {{#each-in this.receivedReactions as |emojiName count|}}
           <div class="rewind-card scale">
             <span class="rewind-card__emoji">{{replaceEmoji
diff --git a/assets/javascripts/discourse/connectors/before-panel-body/rewind-callout.gjs b/assets/javascripts/discourse/connectors/before-panel-body/rewind-callout.gjs
new file mode 100644
index 0000000..febc58a
--- /dev/null
+++ b/assets/javascripts/discourse/connectors/before-panel-body/rewind-callout.gjs
@@ -0,0 +1,61 @@
+import Component from "@glimmer/component";
+import { action } from "@ember/object";
+import { service } from "@ember/service";
+import DButton from "discourse/components/d-button";
+import KeyValueStore from "discourse/lib/key-value-store";
+import icon from "discourse-common/helpers/d-icon";
+import isRewindActive from "discourse/plugins/discourse-rewind/discourse/lib/is-rewind-active";
+
+export default class RewindTab extends Component {
+  @service router;
+
+  store = new KeyValueStore("discourse_rewind_" + this.fetchYear);
+
+  get showCallout() {
+    return isRewindActive() && !this.dismissed;
+  }
+
+  get fetchYear() {
+    const currentDate = new Date();
+    const currentMonth = currentDate.getMonth();
+    const currentYear = currentDate.getFullYear();
+
+    if (currentMonth === 0) {
+      return currentYear - 1;
+    } else {
+      return currentYear;
+    }
+  }
+
+  get dismissed() {
+    return this.store.getObject("_dismissed") ?? false;
+  }
+
+  @action
+  openRewind() {
+    this.store.setObject({ key: "_dismissed", value: true });
+    this.router.transitionTo("/my/activity/rewind");
+  }
+
+  <template>
+    {{#if this.showCallout}}
+      <div class="rewind-callout__container">
+        <DButton
+          @action={{this.openRewind}}
+          class="rewind-callout btn-transparent"
+        >
+          <img
+            class="rewind-logo -light"
+            src="/plugins/discourse-rewind/images/discourse-rewind-logo.png"
+          />
+          <img
+            class="rewind-logo -dark"
+            src="/plugins/discourse-rewind/images/discourse-rewind-logo-dark.png"
+          />
+
+          {{icon "arrow-right" class="rewind-callaout__arrow"}}
+        </DButton>
+      </div>
+    {{/if}}
+  </template>
+}
diff --git a/assets/javascripts/discourse/connectors/user-activity-bottom/rewind-tab.gjs b/assets/javascripts/discourse/connectors/user-activity-bottom/rewind-tab.gjs
index 1fa326a..0dfcd52 100644
--- a/assets/javascripts/discourse/connectors/user-activity-bottom/rewind-tab.gjs
+++ b/assets/javascripts/discourse/connectors/user-activity-bottom/rewind-tab.gjs
@@ -1,16 +1,19 @@
 import DNavigationItem from "discourse/components/d-navigation-item";
 import icon from "discourse-common/helpers/d-icon";
 import { i18n } from "discourse-i18n";
+import isRewindActive from "discourse/plugins/discourse-rewind/discourse/lib/is-rewind-active";
 
 const RewindTab = <template>
-  <DNavigationItem
-    @route="userActivity.rewind"
-    @ariaCurrentContext="subNav"
-    class="user-nav__activity-rewind"
-  >
-    {{icon "repeat"}}
-    <span>{{i18n "discourse_rewind.title"}}</span>
-  </DNavigationItem>
+  {{#if isRewindActive}}
+    <DNavigationItem
+      @route="userActivity.rewind"
+      @ariaCurrentContext="subNav"
+      class="user-nav__activity-rewind"
+    >
+      {{icon "repeat"}}
+      <span>{{i18n "discourse_rewind.title"}}</span>
+    </DNavigationItem>
+  {{/if}}
 </template>;
 
 export default RewindTab;
diff --git a/assets/javascripts/discourse/lib/is-rewind-active.js b/assets/javascripts/discourse/lib/is-rewind-active.js
new file mode 100644
index 0000000..0e3e2d4
--- /dev/null
+++ b/assets/javascripts/discourse/lib/is-rewind-active.js
@@ -0,0 +1,5 @@
+export default function isRewindActive() {
+  const currentDate = new Date();
+  const currentMonth = currentDate.getMonth();
+  return currentMonth === 0 || currentMonth === 11;
+}
diff --git a/assets/stylesheets/common/_index.scss b/assets/stylesheets/common/_index.scss
index 6112f75..6fa33a6 100644
--- a/assets/stylesheets/common/_index.scss
+++ b/assets/stylesheets/common/_index.scss
@@ -13,3 +13,5 @@
 @import "fonts";
 @import "reading-time";
 @import "fbff";
+@import "rewind-logo";
+@import "rewind-callout";
diff --git a/assets/stylesheets/common/rewind-callout.scss b/assets/stylesheets/common/rewind-callout.scss
new file mode 100644
index 0000000..4c328d1
--- /dev/null
+++ b/assets/stylesheets/common/rewind-callout.scss
@@ -0,0 +1,19 @@
+.rewind-callout {
+  background: var(--primary);
+  padding: 0.5em;
+  margin-bottom: 0.5em;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  width: 100%;
+  border-radius: var(--d-border-radius);
+
+  &:hover,
+  &:focus {
+    background: var(--primary-low-mid) !important;
+  }
+
+  &__arrow {
+    color: var(--secondary);
+  }
+}
diff --git a/assets/stylesheets/common/rewind-logo.scss b/assets/stylesheets/common/rewind-logo.scss
new file mode 100644
index 0000000..430d0fb
--- /dev/null
+++ b/assets/stylesheets/common/rewind-logo.scss
@@ -0,0 +1,16 @@
+.rewind-logo {
+  height: 50px;
+
+  &.-dark {
+    display: none;
+  }
+
+  @media (prefers-color-scheme: dark) {
+    &.-dark {
+      display: block;
+    }
+    &.-light {
+      display: none;
+    }
+  }
+}
diff --git a/assets/stylesheets/common/rewind.scss b/assets/stylesheets/common/rewind.scss
index 1adb846..75df61e 100644
--- a/assets/stylesheets/common/rewind.scss
+++ b/assets/stylesheets/common/rewind.scss
@@ -71,26 +71,16 @@
 
 .rewind__introduction {
   padding: 1em 0 1em 1em;
-  background-color: var(--secondary);
+  background-color: var(--primary);
   position: sticky;
   top: 0;
   z-index: 1;
   box-shadow: 1px 0px 0px 1px var(--primary);
-  img {
-    height: 50px;
+
+  .rewind-logo {
     margin-bottom: 5px;
-    &.rewind-logo-dark {
-      display: none;
-    }
-    @media (prefers-color-scheme: dark) {
-      &.rewind-logo-dark {
-        display: block;
-      }
-      &.rewind-logo-light {
-        display: none;
-      }
-    }
   }
+
   p {
     margin: 0 0.5em 0 0;
     text-transform: uppercase;
diff --git a/spec/requests/rewinds_controller_spec.rb b/spec/requests/rewinds_controller_spec.rb
new file mode 100644
index 0000000..91bccca
--- /dev/null
+++ b/spec/requests/rewinds_controller_spec.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+RSpec.describe DiscourseRewind::RewindsController do
+  before { SiteSetting.discourse_rewind_enabled = true }
+
+  describe "#show" do
+    fab!(:current_user) { Fabricate(:user) }
+
+    before { sign_in(current_user) }
+
+    context "when out of valid month" do
+      before { freeze_time DateTime.parse("2022-11-24") }
+
+      it "returns 404" do
+        get "/rewinds.json"
+
+        expect(response.status).to eq(404)
+      end
+    end
+
+    context "when in valid month" do
+      before { freeze_time DateTime.parse("2022-12-24") }
+
+      it "returns 200" do
+        get "/rewinds.json"
+
+        expect(response.status).to eq(200)
+      end
+    end
+  end
+end
diff --git a/spec/system/rewind_tab_spec.rb b/spec/system/rewind_tab_spec.rb
new file mode 100644
index 0000000..26fd487
--- /dev/null
+++ b/spec/system/rewind_tab_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+describe "DiscourseRewind | rewind tab", type: :system do
+  fab!(:current_user) { Fabricate(:user) }
+
+  before do
+    SiteSetting.discourse_rewind_enabled = true
+    sign_in(current_user)
+  end
+
+  context "when in january" do
+    before { freeze_time DateTime.parse("2022-01-10") }
+
+    it "shows the tab" do
+      visit("/my/activity")
+
+      expect(page).to have_selector(".user-nav__activity-rewind")
+    end
+  end
+
+  context "when in december" do
+    before { freeze_time DateTime.parse("2022-12-05") }
+
+    it "shows the tab" do
+      visit("/my/activity")
+
+      expect(page).to have_selector(".user-nav__activity-rewind")
+    end
+  end
+
+  context "when in november" do
+    before { freeze_time DateTime.parse("2022-11-24") }
+
+    it "doesn show the tab" do
+      visit("/my/activity")
+
+      expect(page).to have_no_selector(".user-nav__activity-rewind")
+    end
+  end
+end