diff --git a/components/EventCard.vue b/components/EventCard.vue
index d3eaaef..6f0b33f 100644
--- a/components/EventCard.vue
+++ b/components/EventCard.vue
@@ -5,13 +5,13 @@
 		<p v-if="event.interested">
 			{{ event.interested }} interested
 		</p>
-		<p v-if="sessionStore.account">
+		<p v-if="accountStore.interestedIds">
 			<button
 				class="interested"
-				:class="{ active: interestedIds.has(event.id) }"
+				:class="{ active: accountStore.interestedIds?.has(event.id) }"
 				@click="toggle(event.id, event.slots.map(slot => slot.id))"
 			>
-				{{ interestedIds.has(event.id) ? "✔ interested" : "🔔 interested?" }}
+				{{ accountStore.interestedIds?.has(event.id) ? "✔ interested" : "🔔 interested?" }}
 			</button>
 		</p>
 
@@ -20,13 +20,13 @@
 			<li v-for="slot in event.slots" :key="slot.id">
 				{{ formatTime(slot.start) }} - {{ formatTime(slot.end) }}
 				<button
-					v-if="sessionStore.account && event.slots.length > 1"
+					v-if="accountStore.interestedIds && event.slots.length > 1"
 					class="interested"
-					:disabled="interestedIds.has(event.id)"
-					:class="{ active: interestedIds.has(event.id) || interestedIds.has(slot.id) }"
+					:disabled="accountStore.interestedIds.has(event.id)"
+					:class="{ active: accountStore.interestedIds.has(event.id) || accountStore.interestedIds.has(slot.id) }"
 					@click="toggle(slot.id)"
 				>
-					{{ interestedIds.has(event.id) || interestedIds.has(slot.id) ? "✔ interested" : "🔔 interested?" }}
+					{{ accountStore.interestedIds.has(event.id) || accountStore.interestedIds.has(slot.id) ? "✔ interested" : "🔔 interested?" }}
 				</button>
 				<template v-if="slot.interested">
 					({{ slot.interested }} interested)
@@ -48,33 +48,16 @@ defineProps<{
 	event: ScheduleEvent
 }>()
 
-const runtimeConfig = useRuntimeConfig();
-const sessionStore = useSessionStore();
-const interestedIds = computed(() => new Set(sessionStore.account?.interestedIds ?? []));
-const timezone = computed(() => sessionStore.account?.timezone ?? runtimeConfig.public.defaultTimezone);
+const accountStore = useAccountStore();
 const { data: accounts } = await useAccounts();
 const idToAccount = computed(() => new Map(accounts.value?.map(a => [a.id, a])));
 
 function formatTime(time: string) {
-	return DateTime.fromISO(time, { zone: timezone.value }).toFormat("yyyy-LL-dd HH:mm");
+	return DateTime.fromISO(time, { zone: accountStore.activeTimezone }).toFormat("yyyy-LL-dd HH:mm");
 }
 
 async function toggle(id: string, slotIds?: string[]) {
-	let newIds = [...sessionStore.account!.interestedIds ?? []];
-	if (interestedIds.value.has(id)) {
-		newIds = newIds.filter(newId => newId !== id);
-	} else {
-		newIds.push(id);
-		if (slotIds) {
-			const filterIds = new Set(slotIds);
-			newIds = newIds.filter(newId => !filterIds.has(newId));
-		}
-	}
-	await $fetch("/api/account", {
-		method: "PATCH",
-		body: { interestedIds: newIds },
-	})
-	await sessionStore.fetch();
+	await accountStore.toggleInterestedId(id, slotIds);
 }
 </script>
 
diff --git a/components/EventsTable.vue b/components/EventsTable.vue
index 111f225..ec66827 100644
--- a/components/EventsTable.vue
+++ b/components/EventsTable.vue
@@ -38,7 +38,7 @@
 						<td>
 							<input
 								type="checkbox"
-								:disabled="!canEditPublic"
+								:disabled="!accountStore.canEditPublic"
 								:value="!event.crew"
 								:checked="!event.crew"
 								@change="editEvent(event, { crew: !($event as any).target.value })"
@@ -75,7 +75,7 @@
 						<td>
 							<input
 								type="checkbox"
-								:disabled="!canEditPublic"
+								:disabled="!accountStore.canEditPublic"
 								v-model="newEventPublic"
 							>
 						</td>
@@ -135,11 +135,10 @@ defineProps<{
 }>();
 
 const schedule = await useSchedule();
-const sessionStore = useSessionStore();
-const canEditPublic = computed(() => sessionStore.account?.type === "admin");
+const accountStore = useAccountStore();
 
 function canEdit(event: ScheduleEvent) {
-	return event.crew || canEditPublic.value;
+	return event.crew || accountStore.canEditPublic;
 }
 
 const changes = ref<ChangeRecord<ScheduleEvent>[]>([]);
diff --git a/components/Header.vue b/components/Header.vue
index aaf6ae2..0833aec 100644
--- a/components/Header.vue
+++ b/components/Header.vue
@@ -8,18 +8,18 @@
 				<li>
 					<NuxtLink to="/schedule">Schedule</NuxtLink>
 				</li>
-				<li v-if="sessionStore.account?.type === 'admin' || sessionStore.account?.type === 'crew'">
+				<li v-if="accountStore.canEdit">
 					<NuxtLink to="/edit">Edit</NuxtLink>
 				</li>
 			</ul>
 		</nav>
 		<div class="account">
-			<template v-if="sessionStore.account">
-				{{ sessionStore.account.name }}
-				(s:{{ sessionStore.id }} a:{{ sessionStore.account.id }}{{ sessionStore.push ? " push" : null }})
-				{{ sessionStore.account.type }}
+			<template v-if="accountStore.valid">
+				{{ accountStore.name }}
+				(s:{{ sessionStore.id }} a:{{ accountStore.id }}{{ sessionStore.push ? " push" : null }})
+				{{ accountStore.type }}
 				<NuxtLink to="/account/settings">Settings</NuxtLink>
-				<LogOutButton v-if="sessionStore.account.type !== 'anonymous'"/>
+				<LogOutButton v-if="accountStore.type !== 'anonymous'"/>
 			</template>
 			<template v-else>
 				<NuxtLink to="/login">Log In</NuxtLink>
@@ -29,6 +29,7 @@
 </template>
 
 <script lang="ts" setup>
+const accountStore = useAccountStore();
 const sessionStore = useSessionStore();
 </script>
 
diff --git a/components/ScheduleTable.vue b/components/ScheduleTable.vue
index 284377a..a0f6600 100644
--- a/components/ScheduleTable.vue
+++ b/components/ScheduleTable.vue
@@ -424,12 +424,8 @@ function removeSlot(eventChanges: ChangeRecord<ScheduleEvent>[], event: Schedule
 	return eventChanges;
 }
 
-const sessionStore = useSessionStore();
+const accountStore = useAccountStore();
 const schedule = await useSchedule();
-const runtimeConfig = useRuntimeConfig();
-const timezone = computed(
-	() => sessionStore.account?.timezone ?? runtimeConfig.public.defaultTimezone
-);
 
 type EventSlotChange = { op: "set" | "del", data: EventSlot } ;
 
@@ -466,12 +462,12 @@ const newEventStart = ref("");
 const newEventDuration = ref("01:00");
 const newEventEnd = computed({
 	get: () => (
-		DateTime.fromISO(newEventStart.value, { zone: timezone.value })
+		DateTime.fromISO(newEventStart.value, { zone: accountStore.activeTimezone })
 			.plus(Duration.fromISOTime(newEventDuration.value))
 			.toFormat("HH:mm")
 	),
 	set: (value: string) => {
-		const start = DateTime.fromISO(newEventStart.value, { zone: timezone.value });
+		const start = DateTime.fromISO(newEventStart.value, { zone: accountStore.activeTimezone });
 		const end = endFromTime(start, value);
 		newEventDuration.value = dropDay(end.diff(start)).toFormat("hh:mm");
 	},
@@ -508,7 +504,7 @@ function editEventSlot(
 	}
 ) {
 	if (edits.start) {
-		const start = DateTime.fromISO(edits.start, { zone: timezone.value });
+		const start = DateTime.fromISO(edits.start, { zone: accountStore.activeTimezone });
 		eventSlot = {
 			...eventSlot,
 			start,
@@ -577,7 +573,7 @@ function newEventSlot(options: { start?: DateTime, end?: DateTime } = {}) {
 		end = options.end;
 		start = options.end.minus(duration);
 	} else {
-		start = DateTime.fromISO(newEventStart.value, { zone: timezone.value });
+		start = DateTime.fromISO(newEventStart.value, { zone: accountStore.activeTimezone });
 		end = endFromTime(start, newEventEnd.value);
 	}
 	if (!start.isValid || !end.isValid) {
@@ -641,8 +637,8 @@ const eventSlots = computed(() => {
 					location,
 					assigned: slot.assigned ?? [],
 					origLocation: location,
-					start: DateTime.fromISO(slot.start, { zone: timezone.value }),
-					end: DateTime.fromISO(slot.end, { zone: timezone.value }),
+					start: DateTime.fromISO(slot.start, { zone: accountStore.activeTimezone }),
+					end: DateTime.fromISO(slot.end, { zone: accountStore.activeTimezone }),
 				});
 			}
 		}
diff --git a/components/ShiftScheduleTable.vue b/components/ShiftScheduleTable.vue
index 27e0919..085efc9 100644
--- a/components/ShiftScheduleTable.vue
+++ b/components/ShiftScheduleTable.vue
@@ -394,12 +394,8 @@ function removeSlot(eventChanges: ChangeRecord<Shift>[], shift: Shift, shiftSlot
 	return eventChanges;
 }
 
-const sessionStore = useSessionStore();
+const accountStore = useAccountStore();
 const schedule = await useSchedule();
-const runtimeConfig = useRuntimeConfig();
-const timezone = computed(
-	() => sessionStore.account?.timezone ?? runtimeConfig.public.defaultTimezone
-);
 
 type ShiftSlotChange = { op: "set" | "del", data: ShiftSlot } ;
 
@@ -436,12 +432,12 @@ const newShiftStart = ref("");
 const newShiftDuration = ref("01:00");
 const newShiftEnd = computed({
 	get: () => (
-		DateTime.fromISO(newShiftStart.value, { zone: timezone.value })
+		DateTime.fromISO(newShiftStart.value, { zone: accountStore.activeTimezone })
 			.plus(Duration.fromISOTime(newShiftDuration.value))
 			.toFormat("HH:mm")
 	),
 	set: (value: string) => {
-		const start = DateTime.fromISO(newShiftStart.value, { zone: timezone.value });
+		const start = DateTime.fromISO(newShiftStart.value, { zone: accountStore.activeTimezone });
 		const end = endFromTime(start, value);
 		newShiftDuration.value = dropDay(end.diff(start)).toFormat("hh:mm");
 	},
@@ -478,7 +474,7 @@ function editShiftSlot(
 	}
 ) {
 	if (edits.start) {
-		const start = DateTime.fromISO(edits.start, { zone: timezone.value });
+		const start = DateTime.fromISO(edits.start, { zone: accountStore.activeTimezone });
 		shiftSlot = {
 			...shiftSlot,
 			start,
@@ -558,7 +554,7 @@ function newShiftSlot(options: { start?: DateTime, end?: DateTime } = {}) {
 		end = options.end;
 		start = options.end.minus(duration);
 	} else {
-		start = DateTime.fromISO(newShiftStart.value, { zone: timezone.value });
+		start = DateTime.fromISO(newShiftStart.value, { zone: accountStore.activeTimezone });
 		end = endFromTime(start, newShiftEnd.value);
 	}
 	if (!start.isValid || !end.isValid) {
@@ -621,8 +617,8 @@ const shiftSlots = computed(() => {
 				role: shift.role,
 				assigned: slot.assigned ?? [],
 				origRole: shift.role,
-				start: DateTime.fromISO(slot.start, { zone: timezone.value }),
-				end: DateTime.fromISO(slot.end, { zone: timezone.value }),
+				start: DateTime.fromISO(slot.start, { zone: accountStore.activeTimezone }),
+				end: DateTime.fromISO(slot.end, { zone: accountStore.activeTimezone }),
 			});
 		}
 	}
diff --git a/components/Timetable.vue b/components/Timetable.vue
index e0853b8..193b509 100644
--- a/components/Timetable.vue
+++ b/components/Timetable.vue
@@ -503,16 +503,14 @@ const stretches = computed(() => [
 	)
 ])
 
-const runtimeConfig = useRuntimeConfig();
-const sessionStore = useSessionStore();
-const debugTimezone = ref<undefined | string>();
+const accountStore = useAccountStore();
 const timezone = computed({
-	get: () => debugTimezone.value ?? sessionStore.account?.timezone ?? runtimeConfig.public.defaultTimezone,
-	set: (value: string) => { debugTimezone.value = value },
+	get: () => accountStore.activeTimezone,
+	set: (value: string) => { accountStore.timezone = value },
 });
 
 const elements = computed(() => tableElementsFromStretches(
-	stretches.value, schedule.value.events, schedule.value.locations, schedule.value.rota, schedule.value.roles, timezone.value
+	stretches.value, schedule.value.events, schedule.value.locations, schedule.value.rota, schedule.value.roles, accountStore.activeTimezone
 ));
 const totalColumns = computed(() => elements.value.totalColumns);
 const columnGroups = computed(() => elements.value.columnGroups);
diff --git a/middleware/authenticated.ts b/middleware/authenticated.ts
index 95ddb0a..7acad5d 100644
--- a/middleware/authenticated.ts
+++ b/middleware/authenticated.ts
@@ -1,14 +1,14 @@
 export default defineNuxtRouteMiddleware(async (to, from) => {
-	const sessionStore = useSessionStore();
+	const accountStore = useAccountStore();
 
-	if (!sessionStore.account) {
+	if (!accountStore.valid) {
 		console.log("Not logged in, redirecting to /login");
 		return navigateTo("/login");
 	}
 
 	if (
 		to.meta.allowedAccountTypes
-		&& !to.meta.allowedAccountTypes.includes(sessionStore.account.type)
+		&& !to.meta.allowedAccountTypes.includes(accountStore.type!)
 	) {
 		throw createError({
 			status: 403,
diff --git a/pages/account/settings.vue b/pages/account/settings.vue
index 8274b59..1a560e2 100644
--- a/pages/account/settings.vue
+++ b/pages/account/settings.vue
@@ -1,14 +1,14 @@
 <template>
 	<main>
 		<h1>Account Settings</h1>
-		<p v-if="sessionStore.account?.type !== 'anonymous'">
-			Name: {{ sessionStore.account?.name }}
+		<p v-if="accountStore.type !== 'anonymous'">
+			Name: {{ accountStore.name }}
 		</p>
-		<p>Access: {{ sessionStore.account?.type }}</p>
+		<p>Access: {{ accountStore.type }}</p>
 		<form @submit.prevent="changeSettings">
 			<label>
 				Timezone
-				<input type="text" v-model="timezone">
+				<input type="text" v-model="timezone" :placeholder="accountStore.defaultTimezone">
 			</label>
 			<button type="submit">
 				Save
@@ -35,8 +35,9 @@ definePageMeta({
 });
 
 const sessionStore = useSessionStore();
+const accountStore = useAccountStore();
 
-const timezone = ref(sessionStore.account?.timezone ?? "");
+const timezone = ref(accountStore.timezone ?? "");
 
 async function changeSettings() {
 	try {
diff --git a/pages/edit.vue b/pages/edit.vue
index 011bd8c..71832f1 100644
--- a/pages/edit.vue
+++ b/pages/edit.vue
@@ -19,7 +19,7 @@
 			</select>
 		</label>
 		<h2>Locations</h2>
-		<LocationsTable :edit="isAdmin" />
+		<LocationsTable :edit="accountStore.canEditPublic" />
 		<h2>Schedule</h2>
 		<label>
 			Location Filter:
@@ -77,7 +77,7 @@ definePageMeta({
 
 const schedule = await useSchedule();
 const { data: accounts } = await useAccounts();
-const sessionStore = useSessionStore();
+const accountStore = useAccountStore();
 
 const route = useRoute();
 const crewFilter = computed({
@@ -91,14 +91,14 @@ const crewFilter = computed({
 	}),
 });
 const eventSlotFilter = computed(() => {
-	if (crewFilter.value === undefined || !sessionStore.account) {
+	if (crewFilter.value === undefined || !accountStore.valid) {
 		return () => true;
 	}
 	const cid = parseInt(crewFilter.value);
 	return (slot: TimeSlot) => slot.assigned?.some(id => id === cid) || false;
 });
 const shiftSlotFilter = computed(() => {
-	if (crewFilter.value === undefined || !sessionStore.account) {
+	if (crewFilter.value === undefined || !accountStore.valid) {
 		return () => true;
 	}
 	const cid = parseInt(crewFilter.value);
@@ -126,6 +126,4 @@ const roleFilter = computed({
 		},
 	}),
 });
-
-const isAdmin = computed(() => sessionStore.account?.type === "admin")
 </script>
diff --git a/pages/index.vue b/pages/index.vue
index 636216a..afb5df8 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -5,13 +5,13 @@
 			<li>
 				<NuxtLink to="/schedule">View Schedule</NuxtLink>
 			</li>
-			<li v-if="sessionStore.account?.type === 'admin' || sessionStore.account?.type === 'crew'">
+			<li v-if="accountStore.canEdit">
 				<NuxtLink to="/edit">Edit Schedule</NuxtLink>
 			</li>
-			<li v-if="sessionStore.account">
+			<li v-if="accountStore.valid">
 				<NuxtLink to="/account/settings">Account Settings</NuxtLink>
 			</li>
-			<li v-if="!sessionStore.account">
+			<li v-else>
 				<NuxtLink to="/login">Log In / Create Account</NuxtLink>
 			</li>
 		</ul>
@@ -19,5 +19,5 @@
 </template>
 
 <script lang="ts" setup>
-const sessionStore = useSessionStore();
+const accountStore = useAccountStore();
 </script>
diff --git a/pages/schedule.vue b/pages/schedule.vue
index 17bbfc9..9ae73fc 100644
--- a/pages/schedule.vue
+++ b/pages/schedule.vue
@@ -4,7 +4,7 @@
 		<p>
 			Study carefully, we only hold these events once a year.
 		</p>
-		<p v-if="!sessionStore.account">
+		<p v-if="!accountStore.valid">
 			<NuxtLink to="/login">Login</NuxtLink> or <NuxtLink to="/login#create-account">Create an account</NuxtLink>
 			to get notified about updates to the schedule.
 		</p>
@@ -12,7 +12,7 @@
 			Check out your <NuxtLink to="/account/settings">Account Setting</NuxtLink> to set up notifications for changes to schedule.
 		</p>
 		<h2>Schedule</h2>
-		<label v-if="sessionStore.account">
+		<label v-if="accountStore.valid">
 			Filter:
 			<select
 				v-model="filter"
@@ -26,11 +26,11 @@
 					:selected='filter === "my-schedule"'
 				>My Schedule</option>
 				<option
-					v-if="isCrew"
+					v-if="accountStore.isCrew"
 					value="assigned"
 					:selected='filter === "assigned"'
 				>Assigned to Me</option>
-				<optgroup v-if="isCrew && accounts" label="Crew">
+				<optgroup v-if="accountStore.isCrew && accounts" label="Crew">
 					<option
 						v-for="account in accounts.filter(a => a.type === 'crew' || a.type === 'admin')"
 						:key="account.id"
@@ -57,13 +57,9 @@
 <script setup lang="ts">
 import type { ShiftSlot, TimeSlot } from '~/shared/types/schedule';
 
-const sessionStore = useSessionStore();
+const accountStore = useAccountStore();
 const { data: accounts } = await useAccounts();
 const schedule = await useSchedule();
-const isCrew = computed(() => (
-	sessionStore.account?.type === "crew"
-	|| sessionStore.account?.type === "admin"
-));
 
 const route = useRoute();
 const filter = computed({
@@ -78,12 +74,12 @@ const filter = computed({
 });
 
 const eventSlotFilter = computed(() => {
-	if (filter.value === undefined || !sessionStore.account) {
+	if (filter.value === undefined || !accountStore.valid) {
 		return () => true;
 	}
-	const aid = sessionStore.account?.id;
+	const aid = accountStore.id;
 	if (filter.value === "my-schedule") {
-		const ids = new Set(sessionStore.account?.interestedIds);
+		const ids = new Set(accountStore.interestedIds);
 		for (const event of schedule.value.events) {
 			if (ids.has(event.id)) {
 				for (const slot of event.slots) {
@@ -103,11 +99,11 @@ const eventSlotFilter = computed(() => {
 	return () => false;
 });
 const shiftSlotFilter = computed(() => {
-	if (filter.value === undefined || !sessionStore.account) {
+	if (filter.value === undefined || !accountStore.valid) {
 		return () => true;
 	}
 	if (filter.value === "my-schedule" || filter.value === "assigned") {
-		const aid = sessionStore.account?.id;
+		const aid = accountStore.id;
 		return (slot: ShiftSlot) => slot.assigned?.some(id => id === aid) || false;
 	}
 	if (filter.value.startsWith("crew-")) {
diff --git a/stores/account.ts b/stores/account.ts
new file mode 100644
index 0000000..a6f7147
--- /dev/null
+++ b/stores/account.ts
@@ -0,0 +1,60 @@
+import type { Account } from "~/shared/types/account";
+
+export const useAccountStore = defineStore("account", () => {
+	const runtimeConfig = useRuntimeConfig();
+	const sessionStore = useSessionStore();
+	const state = {
+		valid: ref<boolean>(false),
+		id: ref<number>(),
+		name: ref<string>(),
+		timezone: ref<string>(),
+		type: ref<Account["type"]>(),
+		interestedIds: ref<Set<string>>(),
+	};
+
+	watchEffect(() => {
+		const account = sessionStore.account;
+		state.valid.value = Boolean(account);
+		state.id.value = account?.id;
+		state.name.value = account?.name;
+		state.timezone.value = account?.timezone;
+		state.type.value = account?.type;
+		state.interestedIds.value = account?.interestedIds ? new Set(account.interestedIds) : undefined;
+	});
+
+	const getters = {
+		isCrew: computed(() => state.type.value === "crew" || state.type.value === "admin"),
+		canEdit: computed(() => state.type.value === "admin" || state.type.value === "crew" ),
+		canEditPublic: computed(() => state.type.value === "admin"),
+		activeTimezone: computed(() => state.timezone.value || runtimeConfig.public.defaultTimezone),
+		defaultTimezone: computed(() => runtimeConfig.public.defaultTimezone),
+	};
+
+	const actions = {
+		async toggleInterestedId(id: string, slotIds?: string[]) {
+			if (!state.interestedIds.value) {
+				throw Error("accountStore.toggleInterestedId: Invalid state")
+			}
+			let newIds = [...state.interestedIds.value ?? []];
+			if (state.interestedIds.value.has(id)) {
+				newIds = newIds.filter(newId => newId !== id);
+			} else {
+				newIds.push(id);
+				if (slotIds) {
+					const filterIds = new Set(slotIds);
+					newIds = newIds.filter(newId => !filterIds.has(newId));
+				}
+			}
+			await $fetch("/api/account", {
+				method: "PATCH",
+				body: { interestedIds: newIds },
+			})
+			await sessionStore.fetch();
+		},
+	};
+	return {
+		...state,
+		...getters,
+		...actions,
+	};
+});