diff --git a/packages/frontend/src/components/MkEmojiPicker.vue b/packages/frontend/src/components/MkEmojiPicker.vue
index 53fca97fc0..4c049dbc6b 100644
--- a/packages/frontend/src/components/MkEmojiPicker.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.vue
@@ -56,7 +56,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</section>
 
 			<section>
-				<header class="_acrylic"><i class="ph-clock ph-bold ph-lg ti-fw"></i> {{ i18n.ts.recentUsed }}</header>
+				<header class="_acrylic"><i class="ti ti-clock ti-fw"></i> {{ i18n.ts.recentUsed }}</header>
 				<div class="body">
 					<button
 						v-for="emoji in recentlyUsedEmojisDef"
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index 7a990d0ff6..4ffc16042e 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -30,7 +30,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			}]"
 		> <!-- we re-use t_pollEnded for "edited" instead of making an identical style -->
 			<i v-if="notification.type === 'follow'" class="ti ti-plus"></i>
-			<i v-else-if="notification.type === 'receiveFollowRequest'" class="ph-clock ph-bold ph-lg"></i>
+			<i v-else-if="notification.type === 'receiveFollowRequest'" class="ti ti-clock"></i>
 			<i v-else-if="notification.type === 'followRequestAccepted'" class="ti ti-check"></i>
 			<i v-else-if="notification.type === 'renote'" class="ph-rocket-launch ph-bold ph-lg"></i>
 			<i v-else-if="notification.type === 'reply'" class="ph-arrow-u-up-left ph-bold ph-lg"></i>
diff --git a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
index 1bc33585f2..762f921a7c 100644
--- a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
+++ b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
@@ -360,7 +360,7 @@ export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEven
 							style: 'display: inline-block; font-size: 90%; border: solid 1px var(--divider); border-radius: var(--radius-ellipse); padding: 4px 10px 4px 6px;',
 						}, [
 							h('i', {
-								class: 'ph-clock ph-bold ph-lg',
+								class: 'ti ti-clock',
 								style: 'margin-right: 0.25em;',
 							}),
 							h(MkTime, {
diff --git a/packages/frontend/src/pages/admin/relays.vue b/packages/frontend/src/pages/admin/relays.vue
index 8213256afe..5705ffdd94 100644
--- a/packages/frontend/src/pages/admin/relays.vue
+++ b/packages/frontend/src/pages/admin/relays.vue
@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div style="margin: 8px 0;">
 					<i v-if="relay.status === 'accepted'" class="ti ti-check" :class="$style.icon" style="color: var(--success);"></i>
 					<i v-else-if="relay.status === 'rejected'" class="ph-prohibit ph-bold ph-lg" :class="$style.icon" style="color: var(--error);"></i>
-					<i v-else class="ph-clock ph-bold ph-lg" :class="$style.icon"></i>
+					<i v-else class="ti ti-clock" :class="$style.icon"></i>
 					<span>{{ i18n.ts._relayStatus[relay.status] }}</span>
 				</div>
 				<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="ph-trash ph-bold ph-lg"></i> {{ i18n.ts.remove }}</MkButton>
diff --git a/packages/frontend/src/pages/flash/flash.vue b/packages/frontend/src/pages/flash/flash.vue
index febfdbaaf7..f61047d854 100644
--- a/packages/frontend/src/pages/flash/flash.vue
+++ b/packages/frontend/src/pages/flash/flash.vue
@@ -46,8 +46,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div :class="$style.footer">
 					<Mfm :text="`By @${flash.user.username}`"/>
 					<div class="date">
-						<div v-if="flash.createdAt != flash.updatedAt"><i class="ph-clock ph-bold ph-lg"></i> {{ i18n.ts.updatedAt }}: <MkTime :time="flash.updatedAt" mode="detail"/></div>
-						<div><i class="ph-clock ph-bold ph-lg"></i> {{ i18n.ts.createdAt }}: <MkTime :time="flash.createdAt" mode="detail"/></div>
+						<div v-if="flash.createdAt != flash.updatedAt"><i class="ti ti-clock"></i> {{ i18n.ts.updatedAt }}: <MkTime :time="flash.updatedAt" mode="detail"/></div>
+						<div><i class="ti ti-clock"></i> {{ i18n.ts.createdAt }}: <MkTime :time="flash.createdAt" mode="detail"/></div>
 					</div>
 				</div>
 				<MkA v-if="$i && $i.id === flash.userId" :to="`/play/${flash.id}/edit`" style="color: var(--accent);">{{ i18n.ts._play.editThisPage }}</MkA>
diff --git a/packages/frontend/src/pages/gallery/index.vue b/packages/frontend/src/pages/gallery/index.vue
index fd838d1b48..f25ce5964c 100644
--- a/packages/frontend/src/pages/gallery/index.vue
+++ b/packages/frontend/src/pages/gallery/index.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkHorizontalSwipe v-model:tab="tab" :tabs="headerTabs">
 			<div v-if="tab === 'explore'" key="explore">
 				<MkFoldableSection class="_margin">
-					<template #header><i class="ph-clock ph-bold ph-lg"></i>{{ i18n.ts.recentPosts }}</template>
+					<template #header><i class="ti ti-clock"></i>{{ i18n.ts.recentPosts }}</template>
 					<MkPagination v-slot="{items}" :pagination="recentPostsPagination" :disableAutoLoad="true">
 						<div :class="$style.items">
 							<MkGalleryPostPreview v-for="post in items" :key="post.id" :post="post" class="post"/>
diff --git a/packages/frontend/src/pages/gallery/post.vue b/packages/frontend/src/pages/gallery/post.vue
index 99bd29f802..0466e42934 100644
--- a/packages/frontend/src/pages/gallery/post.vue
+++ b/packages/frontend/src/pages/gallery/post.vue
@@ -19,7 +19,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div class="title">{{ post.title }}</div>
 						<div class="description"><Mfm :text="post.description" :isBlock="true"/></div>
 						<div class="info">
-							<i class="ph-clock ph-bold ph-lg"></i> <MkTime :time="post.createdAt" mode="detail"/>
+							<i class="ti ti-clock"></i> <MkTime :time="post.createdAt" mode="detail"/>
 						</div>
 						<div class="actions">
 							<div class="like">
@@ -44,7 +44,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</div>
 					<MkAd :prefer="['horizontal', 'horizontal-big']"/>
 					<MkContainer :max-height="300" :foldable="true" class="other">
-						<template #icon><i class="ph-clock ph-bold ph-lg"></i></template>
+						<template #icon><i class="ti ti-clock"></i></template>
 						<template #header>{{ i18n.ts.recentPosts }}</template>
 						<MkPagination v-slot="{items}" :pagination="otherPostsPagination">
 							<div class="sdrarzaf">
diff --git a/packages/frontend/src/pages/page.vue b/packages/frontend/src/pages/page.vue
index 99b8b4143f..4407685c2c 100644
--- a/packages/frontend/src/pages/page.vue
+++ b/packages/frontend/src/pages/page.vue
@@ -75,7 +75,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<MkFollowButton v-if="!$i || $i.id != page.user.id" :user="page.user!" :inline="true" :transparent="false" :full="true" :class="$style.follow"/>
 					</div>
 					<div :class="$style.pageDate">
-						<div><i class="ph ph-clock ph-bold ph-lg"></i> {{ i18n.ts.createdAt }}: <MkTime :time="page.createdAt" mode="detail"/></div>
+						<div><i class="ti ti-clock"></i> {{ i18n.ts.createdAt }}: <MkTime :time="page.createdAt" mode="detail"/></div>
 						<div v-if="page.createdAt != page.updatedAt"><i class="ph-pencil-simple ph-bold ph-lg"></i> {{ i18n.ts.updatedAt }}: <MkTime :time="page.updatedAt" mode="detail"/></div>
 					</div>
 					<div :class="$style.pageLinks">
@@ -89,7 +89,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 				<MkAd :prefer="['horizontal', 'horizontal-big']"/>
 				<MkContainer :max-height="300" :foldable="true" class="other">
-					<template #icon><i class="ph-clock ph-bold ph-lg"></i></template>
+					<template #icon><i class="ti ti-clock"></i></template>
 					<template #header>{{ i18n.ts.recentPosts }}</template>
 					<MkPagination v-slot="{items}" :pagination="otherPostsPagination" :class="$style.relatedPagesRoot" class="_gaps">
 						<MkPagePreview v-for="page in items" :key="page.id" :page="page" :class="$style.relatedPagesItem"/>
diff --git a/packages/frontend/vite.config.ts b/packages/frontend/vite.config.ts
index ce7fedf372..f95700a039 100644
--- a/packages/frontend/vite.config.ts
+++ b/packages/frontend/vite.config.ts
@@ -91,6 +91,7 @@ export function getConfig(): UserConfig {
 					'ti ti-shield-lock': 'ph-shield ph-bold ph-lg',
 					'ti ti-confetti': 'ph-confetti ph-bold ph-lg',
 					'ti ti-home': 'ph-house ph-bold ph-lg',
+					'ti ti-clock': 'ph-clock ph-bold ph-lg',
 				},
 			}),
 			...process.env.NODE_ENV === 'production'