diff --git a/packages/discord.js/src/managers/GuildBanManager.js b/packages/discord.js/src/managers/GuildBanManager.js
index 430860492..426dc65f1 100644
--- a/packages/discord.js/src/managers/GuildBanManager.js
+++ b/packages/discord.js/src/managers/GuildBanManager.js
@@ -129,6 +129,9 @@ class GuildBanManager extends CachedManager {
    * Options used to ban a user from a guild.
    * @typedef {Object} BanOptions
    * @property {number} [deleteMessageDays] 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
    */
 
@@ -150,7 +153,11 @@ class GuildBanManager extends CachedManager {
     const id = this.client.users.resolveId(user);
     if (!id) throw new Error(ErrorCodes.BanResolveId, true);
     await this.client.rest.put(Routes.guildBan(this.guild.id, id), {
-      body: { delete_message_days: options.deleteMessageDays },
+      body: {
+        delete_message_seconds:
+          options.deleteMessageSeconds ??
+          (options.deleteMessageDays ? options.deleteMessageDays * 24 * 60 * 60 : undefined),
+      },
       reason: options.reason,
     });
     if (user instanceof GuildMember) return user;
diff --git a/packages/discord.js/src/structures/GuildMember.js b/packages/discord.js/src/structures/GuildMember.js
index c9002ddd4..bbb32a2c0 100644
--- a/packages/discord.js/src/structures/GuildMember.js
+++ b/packages/discord.js/src/structures/GuildMember.js
@@ -355,8 +355,8 @@ class GuildMember extends Base {
    * @param {BanOptions} [options] Options for the ban
    * @returns {Promise<GuildMember>}
    * @example
-   * // ban a guild member
-   * guildMember.ban({ deleteMessageDays: 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/packages/discord.js/typings/index.d.ts b/packages/discord.js/typings/index.d.ts
index ea03e53d3..f10619348 100644
--- a/packages/discord.js/typings/index.d.ts
+++ b/packages/discord.js/typings/index.d.ts
@@ -4057,7 +4057,9 @@ export interface AwaitReactionsOptions extends ReactionCollectorOptions {
 }
 
 export interface BanOptions {
+  /** @deprecated Use {@link deleteMessageSeconds} instead. */
   deleteMessageDays?: number;
+  deleteMessageSeconds?: number;
   reason?: string;
 }