diff --git a/common b/common
index ec0812a..7df6902 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit ec0812ad9d0f46b29c3ca214cf1ae324bfdbfdb5
+Subproject commit 7df69021eae8bb7cbadb717cba15db8d9ae2fe1e
diff --git a/components/actors/bio.vue b/components/actors/bio.vue
index d7e177b..2d206f0 100644
--- a/components/actors/bio.vue
+++ b/components/actors/bio.vue
@@ -135,13 +135,18 @@ const aliases = Object
 				<dfn class="bio-label"><Icon icon="cake" />Date of birth</dfn>
 
 				<span class="birthdate">
-					<span class="birthdate-long">{{ formatDate(actor.dateOfBirth, actor.dateOfBirth.getFullYear() > 1 ? 'MMMM d, yyyy' : 'MMMM d') }}</span>
-					<span class="birthdate-short">{{ formatDate(actor.dateOfBirth, actor.dateOfBirth.getFullYear() > 1 ? 'MMM d, yyyy' : 'MMM d') }}</span>
+					<template v-if="actor.dateOfBirthPrecision === 'day'">
+						<span class="birthdate-long">{{ formatDate(actor.dateOfBirth, actor.dateOfBirth.getFullYear() > 1 ? 'MMMM d, yyyy' : 'MMMM d') }}</span>
+						<span class="birthdate-short">{{ formatDate(actor.dateOfBirth, actor.dateOfBirth.getFullYear() > 1 ? 'MMM d, yyyy' : 'MMM d') }}</span>
+					</template>
+
+					<span v-else-if="actor.dateOfBirthPrecision === 'month'">{{ formatDate(actor.dateOfBirth, 'MMMM, yyyy') }}</span>
+					<span v-else-if="actor.dateOfBirth.getFullYear() > 1">{{ formatDate(actor.dateOfBirth, 'yyyy') }}</span>
 
 					<span
 						v-if="!actor.dateOfDeath && actor.dateOfBirth.getFullYear() > 1"
 						class="age"
-					>{{ actor.ageFromBirth }}</span>
+					><template v-if="actor.ageFromBirthIsApproximate">~</template>{{ actor.ageFromBirth }}</span>
 				</span>
 			</li>
 
@@ -163,10 +168,16 @@ const aliases = Object
 			>
 				<dfn class="bio-label"><Icon icon="tombstone" />Date of death</dfn>
 
-				<span class="birthdate">{{ formatDate(actor.dateOfDeath, 'MMMM d, yyyy') }}<span
-					v-if="actor.ageAtDeath"
-					class="age"
-				>{{ actor.ageAtDeath }}</span></span>
+				<span class="birthdate">
+					<span v-if="actor.dateOfDeathPrecision === 'day'">{{ formatDate(actor.dateOfDeath, 'MMMM d, yyyy') }}</span>
+					<span v-else-if="actor.dateOfDeathPrecision === 'month'">{{ formatDate(actor.dateOfDeath, 'MMMM, yyyy') }}</span>
+					<span v-else>{{ formatDate(actor.dateOfDeath, 'yyyy') }}</span>
+
+					<span
+						v-if="actor.ageAtDeath"
+						class="age"
+					><template v-if="actor.ageAtDeathIsApproximate">~</template>{{ actor.ageAtDeath }}</span>
+				</span>
 			</li>
 
 			<li
diff --git a/pages/actors/edit/+Page.vue b/pages/actors/edit/+Page.vue
index 231c405..2c5c092 100644
--- a/pages/actors/edit/+Page.vue
+++ b/pages/actors/edit/+Page.vue
@@ -52,9 +52,12 @@ const fields = computed(() => [
 		key: 'dateOfBirth',
 		label: 'date of birth',
 		type: 'date',
-		value: actor.value?.dateOfBirth
-			? format(actor.value.dateOfBirth, 'yyyy-MM-dd')
-			: null,
+		value: {
+			date: actor.value?.dateOfBirth
+				? format(actor.value.dateOfBirth, 'yyyy-MM-dd')
+				: null,
+			precision: actor.value.dateOfBirthPrecision,
+		},
 		inline: true,
 	},
 	{
@@ -212,9 +215,12 @@ const fields = computed(() => [
 		key: 'dateOfDeath',
 		label: 'date of death',
 		type: 'date',
-		value: actor.value?.dateOfDeath
-			? format(actor.value.dateOfDeath, 'yyyy-MM-dd')
-			: null,
+		value: {
+			date: actor.value?.dateOfDeath
+				? format(actor.value.dateOfDeath, 'yyyy-MM-dd')
+				: null,
+			precision: actor.value.dateOfDeathPrecision,
+		},
 	},
 	{
 		key: 'allowGlobalMatch',
@@ -270,6 +276,14 @@ const keyMap = {
 		country: 'residenceCountry',
 		place: 'residencePlace',
 	},
+	dateOfBirth: {
+		date: 'dateOfBirth',
+		precision: 'dateOfBirthPrecision',
+	},
+	dateOfDeath: {
+		date: 'dateOfDeath',
+		precision: 'dateOfDeathPrecision',
+	},
 	tattoos: {
 		has: 'hasTattoos',
 		description: 'tattoos',
@@ -501,6 +515,7 @@ async function submit() {
 							>{{ item.unit }}
 						</template>
 
+						<!--
 						<input
 							v-if="item.type === 'date'"
 							v-model="edits[item.key]"
@@ -508,6 +523,30 @@ async function submit() {
 							class="date input"
 							:disabled="!editing.has(item.key)"
 						>
+						-->
+
+						<div
+							v-if="item.type === 'date'"
+							class="date"
+						>
+							<input
+								v-model="edits[item.key].date"
+								type="date"
+								class="date input"
+								:disabled="!editing.has(item.key)"
+							>
+
+							<select
+								v-if="item.value.precision"
+								v-model="edits[item.key].precision"
+								class="input"
+								:disabled="!editing.has(item.key)"
+							>
+								<option value="day">Day</option>
+								<option value="month">Month</option>
+								<option value="year">Year</option>
+							</select>
+						</div>
 
 						<select
 							v-if="item.type === 'select'"
diff --git a/src/actors.js b/src/actors.js
index f60da1d..9404dde 100644
--- a/src/actors.js
+++ b/src/actors.js
@@ -32,7 +32,9 @@ const mj = new MerkleJson();
 const keyMap = {
 	avatar: 'avatar_media_id',
 	dateOfBirth: 'date_of_birth',
+	dateOfBirthPrecision: 'date_of_birth_precision',
 	dateOfDeath: 'date_of_death',
+	dateOfDeathPrecision: 'date_of_death_precision',
 	originCountry: 'birth_country_alpha2',
 	originState: 'birth_state',
 	originCity: 'birth_city',
@@ -62,6 +64,24 @@ const keyMap = {
 
 const socialsOrder = ['onlyfans', 'fansly', 'twitter', 'instagram', 'loyalfans', 'manyvids', 'pornhub', 'linktree', null];
 
+// with month (but not day) precision on either side, the age is still certain unless both dates fall in the same month,
+// since only then could the unknown day(s) put the birthday on either side of the reference date
+function isAgeApproximate(baseDate, basePrecision, referenceDate, referencePrecision = 'day') {
+	if (!baseDate || !referenceDate) {
+		return false;
+	}
+
+	if (basePrecision === 'year' || referencePrecision === 'year') {
+		return true;
+	}
+
+	if (basePrecision === 'day' && referencePrecision === 'day') {
+		return false;
+	}
+
+	return baseDate.getMonth() === referenceDate.getMonth();
+}
+
 export function curateActor(actor, context = {}) {
 	if (!actor) {
 		return null;
@@ -97,14 +117,20 @@ export function curateActor(actor, context = {}) {
 		ageFromBirth: actor.date_of_birth && actor.date_of_birth.getFullYear() > 1
 			? differenceInYears(Date.now(), actor.date_of_birth)
 			: null,
+		ageFromBirthIsApproximate: actor.date_of_birth_precision !== 'day'
+			&& isAgeApproximate(actor.date_of_birth, actor.date_of_birth_precision, new Date()),
 		ageAtDeath: actor.date_of_birth && actor.date_of_death && actor.date_of_birth.getFullYear() > 1
 			? differenceInYears(actor.date_of_death, actor.date_of_birth)
 			: null,
+		ageAtDeathIsApproximate: (actor.date_of_birth_precision !== 'day' || actor.date_of_death_precision !== 'day')
+			&& isAgeApproximate(actor.date_of_birth, actor.date_of_birth_precision, actor.date_of_death, actor.date_of_death_precision),
 		ageThen: context.sceneDate && actor.date_of_birth && actor.date_of_birth.getFullYear() > 1
 			? differenceInYears(context.sceneDate, actor.date_of_birth)
 			: null,
 		dateOfBirth: actor.date_of_birth,
+		dateOfBirthPrecision: actor.date_of_birth_precision,
 		dateOfDeath: actor.date_of_death,
+		dateOfDeathPrecision: actor.date_of_death_precision,
 		bust: actor.bust,
 		cup: actor.cup,
 		waist: actor.waist,
@@ -1185,7 +1211,9 @@ async function applyActorRevision(revisionIds, reqUser) {
 					'gender',
 					'avatar',
 					'dateOfBirth',
+					'dateOfBirthPrecision',
 					'dateOfDeath',
+					'dateOfDeathPrecision',
 					'originCountry',
 					'originState',
 					'originCity',