diff --git a/src/managers/GuildBanManager.js b/src/managers/GuildBanManager.js
index e67fd4357c31..543ed1dbcec1 100644
--- a/src/managers/GuildBanManager.js
+++ b/src/managers/GuildBanManager.js
@@ -1,11 +1,14 @@
 'use strict';
 
+const process = require('node:process');
 const { Collection } = require('@discordjs/collection');
 const CachedManager = require('./CachedManager');
 const { TypeError, Error } = require('../errors');
 const GuildBan = require('../structures/GuildBan');
 const { GuildMember } = require('../structures/GuildMember');
 
+let deprecationEmittedForDays = false;
+
 /**
  * Manages API methods for GuildBans and stores their cache.
  * @extends {CachedManager}
@@ -126,6 +129,9 @@ class GuildBanManager extends CachedManager {
    * Options used to ban a user from a guild.
    * @typedef {Object} BanOptions
    * @property {number} [days=0] Number of days of messages to delete, must be between 0 and 7, inclusive
+   * <warn>This property is deprecated. Use `deleteMessageSeconds` instead.</warn>
+   * @property {number} [deleteMessageSeconds] Number of seconds of messages to delete,
+   * must be between 0 and 604800 (7 days), inclusive
    * @property {string} [reason] The reason for the ban
    */
 
@@ -142,15 +148,30 @@ class GuildBanManager extends CachedManager {
    *   .then(banInfo => console.log(`Banned ${banInfo.user?.tag ?? banInfo.tag ?? banInfo}`))
    *   .catch(console.error);
    */
-  async create(user, options = { days: 0 }) {
+  async create(user, options = {}) {
     if (typeof options !== 'object') throw new TypeError('INVALID_TYPE', 'options', 'object', true);
     const id = this.client.users.resolveId(user);
     if (!id) throw new Error('BAN_RESOLVE_ID', true);
+
+    if (typeof options.days !== 'undefined' && !deprecationEmittedForDays) {
+      process.emitWarning(
+        'The days option for GuildBanManager#create() is deprecated. Use the deleteMessageSeconds option instead.',
+        'DeprecationWarning',
+      );
+
+      deprecationEmittedForDays = true;
+    }
+
     await this.client.api
       .guilds(this.guild.id)
       .bans(id)
       .put({
-        data: { delete_message_days: options.days },
+        data: {
+          delete_message_seconds:
+            typeof options.deleteMessageSeconds !== 'undefined'
+              ? options.deleteMessageSeconds
+              : (options.days ?? 0) * 24 * 60 * 60,
+        },
         reason: options.reason,
       });
     if (user instanceof GuildMember) return user;
diff --git a/src/managers/GuildMemberManager.js b/src/managers/GuildMemberManager.js
index 7dd7a6045d49..4a20d38f355a 100644
--- a/src/managers/GuildMemberManager.js
+++ b/src/managers/GuildMemberManager.js
@@ -379,7 +379,7 @@ class GuildMemberManager extends CachedManager {
    *   .then(banInfo => console.log(`Banned ${banInfo.user?.tag ?? banInfo.tag ?? banInfo}`))
    *   .catch(console.error);
    */
-  ban(user, options = { days: 0 }) {
+  ban(user, options) {
     return this.guild.bans.create(user, options);
   }
 
diff --git a/src/structures/GuildMember.js b/src/structures/GuildMember.js
index 16da298b14a3..0a2c82c276b5 100644
--- a/src/structures/GuildMember.js
+++ b/src/structures/GuildMember.js
@@ -378,8 +378,8 @@ class GuildMember extends Base {
    * @param {BanOptions} [options] Options for the ban
    * @returns {Promise<GuildMember>}
    * @example
-   * // ban a guild member
-   * guildMember.ban({ days: 7, reason: 'They deserved it' })
+   * // Ban a guild member, deleting a week's worth of messages
+   * guildMember.ban({ deleteMessageSeconds: 60 * 60 * 24 * 7, reason: 'They deserved it' })
    *   .then(console.log)
    *   .catch(console.error);
    */
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 71eae07806ec..9fd52efaf61f 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -4034,7 +4034,9 @@ export interface AwaitReactionsOptions extends ReactionCollectorOptions {
 }
 
 export interface BanOptions {
+  /** @deprecated Use {@link deleteMessageSeconds} instead. */
   days?: number;
+  deleteMessageSeconds?: number;
   reason?: string;
 }