diff --git a/apps/client/src/widgets/buttons/calendar.ts b/apps/client/src/widgets/buttons/calendar.ts
deleted file mode 100644
index 4406bd2b7..000000000
--- a/apps/client/src/widgets/buttons/calendar.ts
+++ /dev/null
@@ -1,109 +0,0 @@
-import { t } from "../../services/i18n.js";
-import dateNoteService from "../../services/date_notes.js";
-import server from "../../services/server.js";
-import appContext from "../../components/app_context.js";
-import RightDropdownButtonWidget from "./right_dropdown_button.js";
-import toastService from "../../services/toast.js";
-import options from "../../services/options.js";
-import { Dropdown } from "bootstrap";
-import type { EventData } from "../../components/app_context.js";
-import { dayjs, type Dayjs } from "@triliumnext/commons";
-import type { AttributeRow, OptionDefinitions } from "@triliumnext/commons";
-
-interface WeekCalculationOptions {
-    firstWeekType: number;
-    minDaysInFirstWeek: number;
-}
-
-export default class CalendarWidget extends RightDropdownButtonWidget {
-    private $month!: JQuery<HTMLElement>;
-    private $weekHeader!: JQuery<HTMLElement>;
-    private $monthSelect!: JQuery<HTMLElement>;
-    private $yearSelect!: JQuery<HTMLElement>;
-    private $next!: JQuery<HTMLElement>;
-    private $previous!: JQuery<HTMLElement>;
-    private $nextYear!: JQuery<HTMLElement>;
-    private $previousYear!: JQuery<HTMLElement>;
-    private monthDropdown!: Dropdown;
-    // stored in ISO 1–7
-    private firstDayOfWeekISO!: number;
-    private weekCalculationOptions!: WeekCalculationOptions;
-    private activeDate: Dayjs | null = null;
-    private todaysDate!: Dayjs;
-    private date!: Dayjs;
-    private weekNoteEnable: boolean = false;
-    private weekNotes: string[] = [];
-
-    constructor(title: string = "", icon: string = "") {
-        super(title, icon, DROPDOWN_TPL, "calendar-dropdown-menu");
-    }
-
-    doRender() {
-        super.doRender();
-
-        this.$month = this.$dropdownContent.find('[data-calendar-area="month"]');
-
-        this.manageFirstDayOfWeek();
-        this.initWeekCalculation();
-
-        // Handle click events for the entire calendar widget
-        this.$dropdownContent.on("click", (e) => {
-            const $target = $(e.target);
-
-            // Keep dropdown open when clicking on month select button or year selector area
-            if ($target.closest('.btn.dropdown-toggle.select-button').length) {
-                e.stopPropagation();
-                return;
-            }
-
-            // Hide dropdown for all other cases
-            this.monthDropdown.hide();
-            // Prevent dismissing the calendar popup by clicking on an empty space inside it.
-            e.stopPropagation();
-        });
-    }
-
-    initWeekCalculation() {
-        this.weekCalculationOptions = {
-            firstWeekType: options.getInt("firstWeekOfYear") || 0,
-            minDaysInFirstWeek: options.getInt("minDaysInFirstWeek") || 4
-        };
-    }
-
-    async dropdownShown() {
-        await this.getWeekNoteEnable();
-        this.weekNotes = await server.get<string[]>(`attribute-values/weekNote`);
-        this.init( ?? null);
-    }
-
-    createWeekNumber(weekNumber: number) {
-
-        let $newWeekNumber;
-
-        if (this.weekNoteEnable) {
-            if (this.weekNotes.includes(weekNoteId)) {
-                $newWeekNumber.addClass("calendar-date-exists").attr("data-href", `#root/${weekNoteId}`);
-            }
-        } else {
-
-        }
-
-        $newWeekNumber.addClass("calendar-week-number").attr("data-calendar-week-number", weekNoteId);
-        return $newWeekNumber;
-    }
-
-    async entitiesReloadedEvent({ loadResults }: EventData<"entitiesReloaded">) {
-        const WEEK_OPTIONS: (keyof OptionDefinitions)[] = [
-            "firstDayOfWeek",
-            "firstWeekOfYear",
-            "minDaysInFirstWeek",
-        ];
-        if (!WEEK_OPTIONS.some(opt => loadResults.getOptionNames().includes(opt))) {
-            return;
-        }
-
-        this.manageFirstDayOfWeek();
-        this.initWeekCalculation();
-        this.createMonth();
-    }
-}
diff --git a/apps/client/src/widgets/buttons/right_dropdown_button.ts b/apps/client/src/widgets/buttons/right_dropdown_button.ts
deleted file mode 100644
index 45915c254..000000000
--- a/apps/client/src/widgets/buttons/right_dropdown_button.ts
+++ /dev/null
@@ -1,86 +0,0 @@
-import { handleRightToLeftPlacement } from "../../services/utils.js";
-import BasicWidget from "../basic_widget.js";
-import { Tooltip, Dropdown } from "bootstrap";
-type PopoverPlacement = Tooltip.PopoverPlacement;
-
-const TPL = /*html*/`
-<div class="dropdown right-dropdown-widget">
-    <button type="button" data-bs-toggle="dropdown"
-            aria-haspopup="true" aria-expanded="false"
-            class="bx right-dropdown-button launcher-button">
-        <div class="tooltip-trigger"></div>
-    </button>
-
-    <div class="dropdown-menu"></div>
-</div>
-`;
-
-export default class RightDropdownButtonWidget extends BasicWidget {
-    protected iconClass: string;
-    protected title: string;
-    protected dropdownTpl: string;
-    protected settings: { titlePlacement: PopoverPlacement };
-    protected $dropdownMenu!: JQuery<HTMLElement>;
-    protected dropdown!: Dropdown;
-    protected $tooltip!: JQuery<HTMLElement>;
-    protected tooltip!: Tooltip;
-    private dropdownClass?: string;
-    public $dropdownContent!: JQuery<HTMLElement>;
-
-    constructor(title: string, iconClass: string, dropdownTpl: string, dropdownClass?: string) {
-        super();
-
-        this.iconClass = iconClass;
-        this.title = title;
-        this.dropdownTpl = dropdownTpl;
-        this.dropdownClass = dropdownClass;
-
-        this.settings = {
-            titlePlacement: "right"
-        };
-    }
-
-    doRender() {
-        this.$widget = $(TPL);
-        this.$dropdownMenu = this.$widget.find(".dropdown-menu");
-        if (this.dropdownClass) {
-            this.$dropdownMenu.addClass(this.dropdownClass);
-        }
-        this.dropdown = Dropdown.getOrCreateInstance(this.$widget.find("[data-bs-toggle='dropdown']")[0], {
-            popperConfig: {
-                placement: this.settings.titlePlacement,
-            }
-        });
-
-        this.$tooltip = this.$widget.find(".tooltip-trigger").attr("title", this.title);
-        this.tooltip = new Tooltip(this.$tooltip[0], {
-            placement: handleRightToLeftPlacement(this.settings.titlePlacement),
-            fallbackPlacements: [ handleRightToLeftPlacement(this.settings.titlePlacement) ]
-        });
-
-        this.$widget
-            .find(".right-dropdown-button")
-            .addClass(this.iconClass)
-            .on("click", () => this.tooltip.hide())
-            .on("mouseenter", () => this.tooltip.show())
-            .on("mouseleave", () => this.tooltip.hide());
-
-        this.$widget.on("show.bs.dropdown", async () => {
-            await this.dropdownShown();
-
-            const rect = this.$dropdownMenu[0].getBoundingClientRect();
-            const windowHeight = $(window).height() || 0;
-            const pixelsToBottom = windowHeight - rect.bottom;
-
-            if (pixelsToBottom < 0) {
-                this.$dropdownMenu.css("top", pixelsToBottom);
-            }
-        });
-
-        this.$dropdownContent = $(this.dropdownTpl);
-        this.$widget.find(".dropdown-menu").append(this.$dropdownContent);
-    }
-
-    // to be overridden
-    async dropdownShown(): Promise<void> {}
-}
diff --git a/apps/client/src/widgets/launch_bar/Calendar.tsx b/apps/client/src/widgets/launch_bar/Calendar.tsx
index b058dd8c5..2b7225db5 100644
--- a/apps/client/src/widgets/launch_bar/Calendar.tsx
+++ b/apps/client/src/widgets/launch_bar/Calendar.tsx
@@ -31,6 +31,7 @@ export interface CalendarArgs {
     activeDate: Dayjs | null;
     onDateClicked(date: string, e: TargetedMouseEvent<HTMLAnchorElement>): void;
     onWeekClicked?: (week: string, e: TargetedMouseEvent<HTMLAnchorElement>) => void;
+    weekNotes: string[];
 }
 
 export default function Calendar(args: CalendarArgs) {
@@ -77,7 +78,7 @@ function PreviousMonthDays({ date, info: { dates, weekNumbers }, ...args }: { da
 
     return (
         <>
-            <CalendarWeek date={date} weekNumber={weekNumbers[0]} onWeekClicked={args.onWeekClicked} />
+            <CalendarWeek date={date} weekNumber={weekNumbers[0]} {...args} />
             {dates.map(date => <CalendarDay date={date} dateNotesForMonth={dateNotesForPrevMonth} className="calendar-date-prev-month" {...args} />)}
         </>
     )
@@ -97,7 +98,7 @@ function CurrentMonthDays({ date, firstDayOfWeekISO, ...args }: { date: Dayjs, f
     while (dateCursor.month() === currentMonth) {
         const weekNumber = getWeekNumber(dateCursor, firstDayOfWeekISO);
         if (dateCursor.isoWeekday() === firstDayOfWeekISO) {
-            items.push(<CalendarWeek date={dateCursor} weekNumber={weekNumber} onWeekClicked={args.onWeekClicked} />)
+            items.push(<CalendarWeek date={dateCursor} weekNumber={weekNumber} {...args}/>)
         }
 
         items.push(<CalendarDay date={dateCursor} dateNotesForMonth={dateNotesForCurMonth} {...args} />)
@@ -141,18 +142,25 @@ function CalendarDay({ date, dateNotesForMonth, className, activeDate, todaysDat
     );
 }
 
-function CalendarWeek({ date, weekNumber, onWeekClicked }: { weekNumber: number } & Pick<CalendarArgs, "date" | "onWeekClicked">) {
+function CalendarWeek({ date, weekNumber, weekNotes, onWeekClicked }: { weekNumber: number, weekNotes: string[] } & Pick<CalendarArgs, "date" | "onWeekClicked">) {
+    const weekString = date.local().format('YYYY-') + 'W' + String(weekNumber).padStart(2, '0');
+
     if (onWeekClicked) {
-        const weekNoteId = date.local().format('YYYY-') + 'W' + String(weekNumber).padStart(2, '0');
         return (
             <a
-                className="calendar-week-number calendar-date"
-                onClick={(e) => onWeekClicked(weekNoteId, e)}
+                className={clsx("calendar-week-number", "calendar-date",
+                    weekNotes.includes(weekString) && "calendar-date-exists")}
+                data-calendar-week-number={weekNumber}
+                onClick={(e) => onWeekClicked(weekString, e)}
             >{weekNumber}</a>
         )
     }
 
-    return (<span className="calendar-week-number calendar-week-number-disabled">{weekNumber}</span>);
+    return (
+        <span
+            className="calendar-week-number calendar-week-number-disabled"
+            data-calendar-week-number={weekNumber}
+        >{weekNumber}</span>);
 }
 
 export function getMonthInformation(date: Dayjs, firstDayISO: number, firstDayOfWeekISO: number) {
diff --git a/apps/client/src/widgets/launch_bar/CalendarWidget.tsx b/apps/client/src/widgets/launch_bar/CalendarWidget.tsx
index 617dd8c80..70c4dc76a 100644
--- a/apps/client/src/widgets/launch_bar/CalendarWidget.tsx
+++ b/apps/client/src/widgets/launch_bar/CalendarWidget.tsx
@@ -13,6 +13,7 @@ import toast from "../../services/toast";
 import date_notes from "../../services/date_notes";
 import { Dropdown } from "bootstrap";
 import search from "../../services/search";
+import server from "../../services/server";
 
 const MONTHS = [
     t("calendar.january"),
@@ -35,6 +36,7 @@ export default function CalendarWidget({ launcherNote }: { launcherNote: FNote }
     const [ date, setDate ] = useState<Dayjs>();
     const dropdownRef = useRef<Dropdown>(null);
     const [ enableWeekNotes, setEnableWeekNotes ] = useState(false);
+    const [ weekNotes, setWeekNotes ] = useState<string[]>([]);
     const calendarRootRef = useRef<FNote>();
 
     async function checkEnableWeekNotes() {
@@ -45,7 +47,13 @@ export default function CalendarWidget({ launcherNote }: { launcherNote: FNote }
         }
 
         if (!calendarRootRef.current) return;
-        setEnableWeekNotes(calendarRootRef.current.hasLabel("enableWeekNote"));
+
+        const enableWeekNotes = calendarRootRef.current.hasLabel("enableWeekNote");
+        setEnableWeekNotes(enableWeekNotes);
+
+        if (enableWeekNotes) {
+            server.get<string[]>(`attribute-values/weekNote`).then(setWeekNotes);
+        }
     }
 
     return (
@@ -91,6 +99,7 @@ export default function CalendarWidget({ launcherNote }: { launcherNote: FNote }
                         }
                         e.stopPropagation();
                     } : undefined}
+                    weekNotes={weekNotes}
                     {...calendarArgs}
                 />
             </div>}