diff --git a/api/assets/openapi.json b/api/assets/openapi.json
index 15e55bf..1af0600 100644
--- a/api/assets/openapi.json
+++ b/api/assets/openapi.json
@@ -2821,6 +2821,10 @@
 						"type": "string",
 						"format": "date-time"
 					},
+					"premium_since": {
+						"type": "string",
+						"format": "date-time"
+					},
 					"verified": {
 						"type": "boolean"
 					},
@@ -3800,7 +3804,8 @@
 						"format": "date-time"
 					},
 					"premium_since": {
-						"type": "integer"
+						"type": "string",
+						"format": "date-time"
 					},
 					"deaf": {
 						"type": "boolean"
diff --git "a/api/src/routes/users/\043id/profile.ts" "b/api/src/routes/users/\043id/profile.ts"
index 9481451..4dbb84c 100644
--- "a/api/src/routes/users/\043id/profile.ts"
+++ "b/api/src/routes/users/\043id/profile.ts"
@@ -16,22 +16,30 @@
 	const user = await User.getPublicUser(req.params.id, { relations: ["connected_accounts"] });
 
 	var mutual_guilds: object[] = [];
-
+	var premium_guild_since;
 	const requested_member = await Member.find( { id: req.params.id,  })
 	const self_member = await Member.find( { id: req.user_id,  })
 
 	for(const rmem of requested_member) {
+		if(rmem.premium_since) {
+			if(premium_guild_since){
+				if(premium_guild_since > rmem.premium_since) {
+					premium_guild_since = rmem.premium_since;
+				}
+			} else {
+				premium_guild_since = rmem.premium_since;
+			}
+		}
 		for(const smem of self_member) {
 			if (smem.guild_id === rmem.guild_id) {
 				mutual_guilds.push({id: rmem.guild_id, nick: rmem.nick})
 			}
 		}
 	}
-
 	res.json({
 		connected_accounts: user.connected_accounts,
-		premium_guild_since: null, // TODO
-		premium_since: null, // TODO
+		premium_guild_since: premium_guild_since, // TODO
+		premium_since: user.premium_since, // TODO
 		mutual_guilds: mutual_guilds, // TODO {id: "", nick: null} when ?with_mutual_guilds=true
 		user: {
 			username: user.username,
diff --git a/gateway/src/opcodes/Identify.ts b/gateway/src/opcodes/Identify.ts
index f39ac80..904aa96 100644
--- a/gateway/src/opcodes/Identify.ts
+++ b/gateway/src/opcodes/Identify.ts
@@ -173,6 +173,7 @@
 			avatar: related_user.avatar,
 			bot: related_user.bot,
 			bio: related_user.bio,
+			premium_since: user.premium_since
 		};
 		users.push(public_related_user);
 	}
@@ -225,6 +226,7 @@
 		accent_color: user.accent_color || 0,
 		banner: user.banner,
 		bio: user.bio,
+		premium_since: user.premium_since
 	};
 
 	const d: ReadyEventData = {
diff --git a/util/src/entities/Member.ts b/util/src/entities/Member.ts
index 0f7be2a..3c5f9db 100644
--- a/util/src/entities/Member.ts
+++ b/util/src/entities/Member.ts
@@ -86,7 +86,7 @@
 	joined_at: Date;
 
 	@Column({ nullable: true })
-	premium_since?: number;
+	premium_since?: Date;
 
 	@Column()
 	deaf: boolean;
@@ -245,7 +245,7 @@
 			nick: undefined,
 			roles: [guild_id], // @everyone role
 			joined_at: new Date(),
-			premium_since: undefined,
+			premium_since: new Date(),
 			deaf: false,
 			mute: false,
 			pending: false,
diff --git a/util/src/entities/User.ts b/util/src/entities/User.ts
index f157ac3..1d18c83 100644
--- a/util/src/entities/User.ts
+++ b/util/src/entities/User.ts
@@ -16,6 +16,7 @@
 	banner,
 	bio,
 	bot,
+	premium_since,
 }
 export type PublicUserKeys = keyof typeof PublicUserEnum;
 
@@ -110,6 +111,9 @@
 	@Column()
 	created_at: Date; // registration date
 
+	@Column({ nullable: true })
+	premium_since: Date; // premium date
+
 	@Column({ select: false })
 	verified: boolean; // if the user is offically verified
 
@@ -246,6 +250,7 @@
 			id: Snowflake.generate(),
 			bot: false,
 			system: false,
+			premium_since: new Date(),
 			desktop: false,
 			mobile: false,
 			premium: true,