diff --git a/ts/graphs/CalendarGraph.svelte b/ts/graphs/CalendarGraph.svelte
index c11606c09..307bf1f5b 100644
--- a/ts/graphs/CalendarGraph.svelte
+++ b/ts/graphs/CalendarGraph.svelte
@@ -8,10 +8,12 @@
     import type { I18n } from "anki/i18n";
 
     export let sourceData: pb.BackendProto.GraphsOut | null = null;
+    export let preferences: pb.BackendProto.GraphsPreferencesOut | null = null;
     export let revlogRange: RevlogRange;
     export let i18n: I18n;
     export let nightMode: boolean;
 
+    let { calendarFirstDayOfWeek } = preferences;
     let graphData: GraphData | null = null;
 
     let bounds = defaultGraphBounds();
@@ -25,7 +27,7 @@
     let targetYear = maxYear;
 
     $: if (sourceData) {
-        graphData = gatherData(sourceData);
+        graphData = gatherData(sourceData, $calendarFirstDayOfWeek);
     }
 
     $: {
diff --git a/ts/graphs/CardCounts.svelte b/ts/graphs/CardCounts.svelte
index cab4908ea..7835f7e10 100644
--- a/ts/graphs/CardCounts.svelte
+++ b/ts/graphs/CardCounts.svelte
@@ -5,7 +5,6 @@
     import type { PreferenceStore } from "./preferences";
     import type pb from "anki/backend_proto";
     import type { I18n } from "anki/i18n";
-    import SeparateInactiveCheckbox from "./SeparateInactiveCheckbox.svelte";
 
     export let sourceData: pb.BackendProto.GraphsOut;
     export let i18n: I18n;
@@ -26,6 +25,7 @@
         tableData = renderCards(svg as any, bounds, graphData);
     }
 
+    const label = i18n.tr(i18n.TR.STATISTICS_COUNTS_SEPARATE_SUSPENDED_BURIED_CARDS);
     const total = i18n.tr(i18n.TR.STATISTICS_COUNTS_TOTAL_CARDS);
 </script>
 
@@ -58,7 +58,10 @@
     <h1>{graphData.title}</h1>
 
     <div class="range-box-inner">
-        <SeparateInactiveCheckbox {i18n} {cardCountsSeparateInactive} />
+        <label>
+            <input type="checkbox" bind:checked={$cardCountsSeparateInactive} />
+            {label}
+        </label>
     </div>
 
     <div class="counts-outer">
diff --git a/ts/graphs/SeparateInactiveCheckbox.svelte b/ts/graphs/SeparateInactiveCheckbox.svelte
deleted file mode 100644
index 51ef6529f..000000000
--- a/ts/graphs/SeparateInactiveCheckbox.svelte
+++ /dev/null
@@ -1,14 +0,0 @@
-<script lang="typescript">
-    import type { I18n } from "anki/i18n";
-    import type { CustomStore } from "./preferences";
-
-    export let i18n: I18n;
-    export let cardCountsSeparateInactive: CustomStore<boolean>;
-
-    const label = i18n.tr(i18n.TR.STATISTICS_COUNTS_SEPARATE_SUSPENDED_BURIED_CARDS);
-</script>
-
-<label>
-    <input type="checkbox" bind:checked={$cardCountsSeparateInactive} />
-    {label}
-</label>
diff --git a/ts/graphs/calendar.ts b/ts/graphs/calendar.ts
index 49069b320..b01ede2d1 100644
--- a/ts/graphs/calendar.ts
+++ b/ts/graphs/calendar.ts
@@ -6,7 +6,7 @@
 @typescript-eslint/no-explicit-any: "off",
  */
 
-import type pb from "anki/backend_proto";
+import pb from "anki/backend_proto";
 import { interpolateBlues } from "d3-scale-chromatic";
 import "d3-transition";
 import { select, mouse } from "d3-selection";
@@ -41,7 +41,13 @@ interface DayDatum {
     date: Date;
 }
 
-export function gatherData(data: pb.BackendProto.GraphsOut): GraphData {
+type WeekdayType = pb.BackendProto.GraphsPreferencesOut.Weekday;
+const Weekday = pb.BackendProto.GraphsPreferencesOut.Weekday; /* enum */
+
+export function gatherData(
+    data: pb.BackendProto.GraphsOut,
+    firstDayOfWeek: WeekdayType
+): GraphData {
     const reviewCount = new Map<number, number>();
 
     for (const review of data.revlog as pb.BackendProto.RevlogEntry[]) {
@@ -56,17 +62,17 @@ export function gatherData(data: pb.BackendProto.GraphsOut): GraphData {
     }
 
     const timeFunction =
-        data.firstWeekday === 1
+        firstDayOfWeek === Weekday.MONDAY
             ? timeMonday
-            : data.firstWeekday === 5
+            : data.firstWeekday === Weekday.FRIDAY
             ? timeFriday
-            : data.firstWeekday === 6
+            : data.firstWeekday === Weekday.SATURDAY
             ? timeSaturday
             : timeSunday;
 
     const weekdayLabels: number[] = [];
     for (let i = 0; i < 7; i++) {
-        weekdayLabels.push((data.firstWeekday + i) % 7);
+        weekdayLabels.push((firstDayOfWeek + i) % 7);
     }
 
     return { reviewCount, timeFunction, weekdayLabels };
diff --git a/ts/graphs/graph-helpers.ts b/ts/graphs/graph-helpers.ts
index 456273c1b..fe54cfdc7 100644
--- a/ts/graphs/graph-helpers.ts
+++ b/ts/graphs/graph-helpers.ts
@@ -25,10 +25,15 @@ export async function getGraphPreferences(): Promise<pb.BackendProto.GraphsPrefe
     );
 }
 
-export async function setGraphPreferences(prefs: pb.BackendProto.GraphsPreferencesOut): Promise<void> {
+export async function setGraphPreferences(
+    prefs: pb.BackendProto.GraphsPreferencesOut
+): Promise<void> {
     return (async () => {
-        await postRequest("/_anki/setGraphPreferences", pb.BackendProto.GraphsPreferencesOut.encode(prefs).finish())
-    })()
+        await postRequest(
+            "/_anki/setGraphPreferences",
+            pb.BackendProto.GraphsPreferencesOut.encode(prefs).finish()
+        );
+    })();
 }
 
 // amount of data to fetch from backend
diff --git a/ts/graphs/preferences.ts b/ts/graphs/preferences.ts
index 8906cced5..8b64a4b06 100644
--- a/ts/graphs/preferences.ts
+++ b/ts/graphs/preferences.ts
@@ -2,7 +2,6 @@ import type pb from "anki/backend_proto";
 import { getGraphPreferences, setGraphPreferences } from "./graph-helpers";
 import { writable, get } from "svelte/store";
 
-
 export interface CustomStore<T> {
     subscribe: (getter: (value: T) => void) => () => void;
     set: (value: T) => void;
@@ -29,7 +28,9 @@ function createPreference<T>(
     };
 }
 
-function preparePreferences(graphsPreferences: pb.BackendProto.GraphsPreferencesOut): PreferenceStore {
+function preparePreferences(
+    graphsPreferences: pb.BackendProto.GraphsPreferencesOut
+): PreferenceStore {
     const preferences: Partial<PreferenceStore> = {};
 
     function constructPreferences(): pb.BackendProto.GraphsPreferencesOut {
@@ -53,5 +54,5 @@ function preparePreferences(graphsPreferences: pb.BackendProto.GraphsPreferences
 
 export async function getPreferences() {
     const initialPreferences = await getGraphPreferences();
-    return preparePreferences(initialPreferences)
+    return preparePreferences(initialPreferences);
 }