diff --git a/app/assets/javascripts/admin/addon/components/modal/custom-date-range.hbs b/app/assets/javascripts/admin/addon/components/modal/custom-date-range.hbs
new file mode 100644
index 00000000000..902358aeaa6
--- /dev/null
+++ b/app/assets/javascripts/admin/addon/components/modal/custom-date-range.hbs
@@ -0,0 +1,22 @@
+<DModal
+  class="custom-date-range-modal"
+  @title={{i18n "admin.dashboard.reports.dates"}}
+  @closeModal={{@closeModal}}
+>
+  <:body>
+    <DateTimeInputRange
+      @from={{this.startDate}}
+      @to={{this.endDate}}
+      @onChange={{this.onChangeDateRange}}
+      @showFromTime={{false}}
+      @showToTime={{false}}
+    />
+  </:body>
+  <:footer>
+    <DButton
+      @action={{this.updateDateRange}}
+      @label="admin.dashboard.reports.refresh_report"
+      @icon="sync"
+    />
+  </:footer>
+</DModal>
\ No newline at end of file
diff --git a/app/assets/javascripts/admin/addon/components/modal/custom-date-range.js b/app/assets/javascripts/admin/addon/components/modal/custom-date-range.js
new file mode 100644
index 00000000000..42692d197f3
--- /dev/null
+++ b/app/assets/javascripts/admin/addon/components/modal/custom-date-range.js
@@ -0,0 +1,20 @@
+import Component from "@glimmer/component";
+import { action } from "@ember/object";
+import { tracked } from "@glimmer/tracking";
+
+export default class CustomDateRange extends Component {
+  @tracked startDate = this.args.model.startDate;
+  @tracked endDate = this.args.model.endDate;
+
+  @action
+  onChangeDateRange(range) {
+    this.startDate = range.from;
+    this.endDate = range.to;
+  }
+
+  @action
+  updateDateRange() {
+    this.args.model.setCustomDateRange(this.startDate, this.endDate);
+    this.args.closeModal();
+  }
+}
diff --git a/app/assets/javascripts/admin/addon/controllers/admin-dashboard-general.js b/app/assets/javascripts/admin/addon/controllers/admin-dashboard-general.js
index b4373cb8ac7..da1181db066 100644
--- a/app/assets/javascripts/admin/addon/controllers/admin-dashboard-general.js
+++ b/app/assets/javascripts/admin/addon/controllers/admin-dashboard-general.js
@@ -1,4 +1,4 @@
-import { computed } from "@ember/object";
+import { action, computed } from "@ember/object";
 import Controller, { inject as controller } from "@ember/controller";
 import AdminDashboard from "admin/models/admin-dashboard";
 import I18n from "I18n";
@@ -9,6 +9,7 @@ import getURL from "discourse-common/lib/get-url";
 import { makeArray } from "discourse-common/lib/helpers";
 import { setting } from "discourse/lib/computed";
 import { inject as service } from "@ember/service";
+import CustomDateRangeModal from "../components/modal/custom-date-range";
 
 function staticReport(reportType) {
   return computed("reports.[]", function () {
@@ -19,6 +20,7 @@ function staticReport(reportType) {
 export default class AdminDashboardGeneralController extends Controller.extend(
   PeriodComputationMixin
 ) {
+  @service modal;
   @service router;
   @service siteSettings;
   @controller("exception") exceptionController;
@@ -154,4 +156,20 @@ export default class AdminDashboardGeneralController extends Controller.extend(
   _reportsForPeriodURL(period) {
     return getURL(`/admin?period=${period}`);
   }
+
+  @action
+  setCustomDateRange(startDate, endDate) {
+    this.setProperties({ startDate, endDate });
+  }
+
+  @action
+  openCustomDateRangeModal() {
+    this.modal.show(CustomDateRangeModal, {
+      model: {
+        startDate: this.startDate,
+        endDate: this.endDate,
+        setCustomDateRange: this.setCustomDateRange,
+      },
+    });
+  }
 }
diff --git a/app/assets/javascripts/admin/addon/controllers/admin-dashboard-moderation.js b/app/assets/javascripts/admin/addon/controllers/admin-dashboard-moderation.js
index ef08301f811..636695b851d 100644
--- a/app/assets/javascripts/admin/addon/controllers/admin-dashboard-moderation.js
+++ b/app/assets/javascripts/admin/addon/controllers/admin-dashboard-moderation.js
@@ -1,12 +1,16 @@
-import { computed } from "@ember/object";
+import { action, computed } from "@ember/object";
 import Controller from "@ember/controller";
 import PeriodComputationMixin from "admin/mixins/period-computation";
 import discourseComputed from "discourse-common/utils/decorators";
 import getURL from "discourse-common/lib/get-url";
+import { inject as service } from "@ember/service";
+import CustomDateRangeModal from "../components/modal/custom-date-range";
 
 export default class AdminDashboardModerationController extends Controller.extend(
   PeriodComputationMixin
 ) {
+  @service modal;
+
   @discourseComputed
   flagsStatusOptions() {
     return {
@@ -48,4 +52,20 @@ export default class AdminDashboardModerationController extends Controller.exten
   _reportsForPeriodURL(period) {
     return getURL(`/admin/dashboard/moderation?period=${period}`);
   }
+
+  @action
+  setCustomDateRange(startDate, endDate) {
+    this.setProperties({ startDate, endDate });
+  }
+
+  @action
+  openCustomDateRangeModal() {
+    this.modal.show(CustomDateRangeModal, {
+      model: {
+        startDate: this.startDate,
+        endDate: this.endDate,
+        setCustomDateRange: this.setCustomDateRange,
+      },
+    });
+  }
 }
diff --git a/app/assets/javascripts/admin/addon/templates/dashboard_general.hbs b/app/assets/javascripts/admin/addon/templates/dashboard_general.hbs
index 1294dda7a65..6215319581d 100644
--- a/app/assets/javascripts/admin/addon/templates/dashboard_general.hbs
+++ b/app/assets/javascripts/admin/addon/templates/dashboard_general.hbs
@@ -12,12 +12,20 @@
               {{i18n "admin.dashboard.community_health"}}
             </a>
           </h2>
-          <PeriodChooser
-            @period={{this.period}}
-            @action={{action "changePeriod"}}
-            @content={{this.availablePeriods}}
-            @fullDay={{false}}
-          />
+          <span>
+            <PeriodChooser
+              @period={{this.period}}
+              @action={{action "changePeriod"}}
+              @content={{this.availablePeriods}}
+              @fullDay={{false}}
+            />
+            <DButton
+              @icon="cog"
+              class="custom-date-range-button"
+              @action={{this.openCustomDateRangeModal}}
+              @title="admin.dashboard.custom_date_range"
+            />
+          </span>
         </div>
 
         <div class="section-body">
diff --git a/app/assets/javascripts/admin/addon/templates/dashboard_moderation.hbs b/app/assets/javascripts/admin/addon/templates/dashboard_moderation.hbs
index 0ee4bc1daf1..3a1ef805dd3 100644
--- a/app/assets/javascripts/admin/addon/templates/dashboard_moderation.hbs
+++ b/app/assets/javascripts/admin/addon/templates/dashboard_moderation.hbs
@@ -14,12 +14,20 @@
             {{i18n "admin.dashboard.moderators_activity"}}
           </a>
         </h2>
-        <PeriodChooser
-          @period={{this.period}}
-          @action={{action "changePeriod"}}
-          @content={{this.availablePeriods}}
-          @fullDay={{false}}
-        />
+        <span>
+          <PeriodChooser
+            @period={{this.period}}
+            @action={{action "changePeriod"}}
+            @content={{this.availablePeriods}}
+            @fullDay={{false}}
+          />
+          <DButton
+            @icon="cog"
+            class="custom-date-range-button"
+            @action={{this.openCustomDateRangeModal}}
+            @title="admin.dashboard.custom_date_range"
+          />
+        </span>
       </div>
 
       <div class="section-body">
diff --git a/app/assets/javascripts/discourse/tests/acceptance/dashboard-test.js b/app/assets/javascripts/discourse/tests/acceptance/dashboard-test.js
index 30e9487d804..ca53f05623f 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/dashboard-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/dashboard-test.js
@@ -48,6 +48,7 @@ acceptance("Dashboard", function (needs) {
   test("general tab", async function (assert) {
     await visit("/admin");
 
+    assert.ok(exists(".custom-date-range-button"), "custom date range button");
     assert.ok(exists(".admin-report.signups"), "signups report");
     assert.ok(exists(".admin-report.posts"), "posts report");
     assert.ok(exists(".admin-report.dau-by-mau"), "dau-by-mau report");
@@ -68,6 +69,17 @@ acceptance("Dashboard", function (needs) {
     );
   });
 
+  test("moderation tab", async function (assert) {
+    await visit("/admin");
+    await click(".dashboard .navigation-item.moderation .navigation-link");
+
+    assert.ok(exists(".custom-date-range-button"), "custom date range button");
+    assert.ok(
+      exists(".admin-report.moderators-activity"),
+      "moderators activity report"
+    );
+  });
+
   test("activity metrics", async function (assert) {
     await visit("/admin");
 
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 0c2e0ad0650..c9f20d9dcc9 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -4677,6 +4677,7 @@ en:
         too_many_requests: You’ve performed this action too many times. Please wait before trying again.
         not_found_error: Sorry, this report doesn’t exist
         filter_reports: Filter reports
+        custom_date_range: Custom date range
 
         reports:
           trend_title: "%{percent} change. Currently %{current}, was %{prev} in previous period."