diff --git a/Cargo.lock b/Cargo.lock
index aea1abb..b846c1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1599,7 +1599,7 @@ dependencies = [
 
 [[package]]
 name = "squad-quest"
-version = "0.9.0"
+version = "0.10.0"
 dependencies = [
  "serde",
  "toml",
@@ -1607,7 +1607,7 @@ dependencies = [
 
 [[package]]
 name = "squad-quest-cli"
-version = "0.9.0"
+version = "0.10.0"
 dependencies = [
  "chrono",
  "clap",
@@ -1618,8 +1618,9 @@ dependencies = [
 
 [[package]]
 name = "squad-quest-discord"
-version = "0.9.0"
+version = "0.10.0"
 dependencies = [
+ "chrono",
  "clap",
  "dotenvy",
  "poise",
diff --git a/Cargo.toml b/Cargo.toml
index bb709d8..5f06182 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 members = ["cli", "discord"]
 
 [workspace.package]
-version = "0.9.0"
+version = "0.10.0"
 edition = "2024"
 repository = "https://2ndbeam.ru/git/2ndbeam/squad-quest"
 license = "MIT"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 2006986..1db73ec 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -9,5 +9,5 @@ license.workspace = true
 chrono = "0.4.42"
 clap = { version = "4.5.53", features = ["derive"] }
 serde = { version = "1.0.228", features = ["derive"] }
-squad-quest = { version = "0.9.0", path = ".." }
+squad-quest = { version = "0.10.0", path = ".." }
 toml = "0.9.8"
diff --git a/discord/Cargo.toml b/discord/Cargo.toml
index 399606a..6853c25 100644
--- a/discord/Cargo.toml
+++ b/discord/Cargo.toml
@@ -6,10 +6,11 @@ repository.workspace = true
 license.workspace = true
 
 [dependencies]
+chrono = "0.4.42"
 clap = { version = "4.5.53", features = ["derive"] }
 dotenvy = "0.15.7"
 poise = "0.6.1"
 serde = "1.0.228"
-squad-quest = { version = "0.9.0", path = ".." }
+squad-quest = { version = "0.10.0", path = ".." }
 tokio = { version = "1.48.0", features = ["rt-multi-thread"] }
 toml = "0.9.8"
diff --git a/discord/src/commands/init.rs b/discord/src/commands/init.rs
index bfd7998..e85d79a 100644
--- a/discord/src/commands/init.rs
+++ b/discord/src/commands/init.rs
@@ -1,9 +1,10 @@
-use std::path::Path;
+use std::{path::Path, str::FromStr};
 
-use poise::serenity_prelude::{ChannelId};
+use poise::{CreateReply, serenity_prelude::ChannelId};
 use squad_quest::SquadObject;
+use toml::value::Time;
 
-use crate::{Context, Error};
+use crate::{Context, Error, timer::DailyTimer};
 
 /// Set channels to post quests and answers to
 #[poise::command(
@@ -25,7 +26,7 @@ pub async fn init(
     #[description_localized("ru", "Канал для публикации ответов на проверку")]
     answers_channel: ChannelId,
 ) -> Result<(), Error> {
-    let dc = ctx.data().discord.clone();
+let dc = ctx.data().discord.clone();
     {
         let mut guard = dc.lock().expect("shouldn't be locked");
         let guild = ctx.guild_id().unwrap();
@@ -43,3 +44,61 @@ pub async fn init(
 
     Ok(())
 }
+
+#[derive(serde::Deserialize)]
+struct TimeWrapper {
+    time: Time,
+}
+
+impl FromStr for TimeWrapper {
+    type Err = toml::de::Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let toml_str = format!("time = {s}");
+        let wrapper: Self = toml::from_str(&toml_str)?;
+        Ok(wrapper)
+    }
+}
+
+impl From<TimeWrapper> for Time {
+    fn from(value: TimeWrapper) -> Self {
+        value.time
+    }
+}
+
+fn seconds(time: Time) -> u64 {
+    time.hour as u64 * 3600 + time.minute as u64 * 60 + time.second as u64
+}
+
+/// Enable publication timer on given UTC time
+#[poise::command(
+    prefix_command,
+    slash_command,
+    required_permissions = "ADMINISTRATOR",
+    guild_only,
+    name_localized("ru", "таймер"),
+    description_localized("ru", "Включить таймер публикации по заданной временной метке UTC (МСК-3)"),
+)]
+pub async fn timer(
+    ctx: Context<'_>,
+    time: TimeWrapper,
+) -> Result<(), Error> {
+    if ctx.data().has_timer() {
+        return Err(Error::TimerSet);
+    }
+
+    let time = Time::from(time);
+    let start_time = seconds(time);
+    let timer = DailyTimer::new(start_time);
+    
+    let strings = &ctx.data().strings;
+    let formatter = strings.formatter().value(time);
+
+    let content = formatter.fmt(&strings.timer_reply);
+    let builder = CreateReply::default().ephemeral(true).content(content);
+    ctx.send(builder).await?;
+
+    ctx.data().timer();
+
+    timer.start(ctx).await;
+    Ok(())
+}
diff --git a/discord/src/commands/mod.rs b/discord/src/commands/mod.rs
index 4a0ba13..85d3ee8 100644
--- a/discord/src/commands/mod.rs
+++ b/discord/src/commands/mod.rs
@@ -46,7 +46,7 @@ pub async fn error_handler(error: poise::FrameworkError<'_, Data, Error>) {
     }
 }
 
-fn print_error_recursively(error: &impl StdError) {
+pub fn print_error_recursively(error: &impl StdError) {
     eprintln!("{error}");
     if let Some(source) = error.source() {
         eprintln!("source:");
diff --git a/discord/src/commands/quest.rs b/discord/src/commands/quest.rs
index ad61e1a..bf90fdd 100644
--- a/discord/src/commands/quest.rs
+++ b/discord/src/commands/quest.rs
@@ -310,6 +310,27 @@ pub async fn update(
     Ok(())
 }
 
+pub async fn publish_inner(ctx: Context<'_>, quest: &mut Quest) -> Result<(), Error> {
+    quest.public = true;
+
+    let quests_path = ctx.data().config.full_quests_path();
+    quest.save(quests_path)?;
+
+    let content = make_quest_message_content(ctx, &quest);
+
+    let builder = CreateMessage::new()
+        .content(content);
+
+    let dc = ctx.data().discord.clone();
+    let channel = {
+        let guard = dc.lock().expect("shouldn't be locked");
+        guard.quests_channel
+    };
+
+    channel.send_message(ctx, builder).await?;
+    Ok(())
+}
+
 /// Mark quest as public and send its message in quests channel
 #[poise::command(
     prefix_command,
@@ -335,24 +356,8 @@ pub async fn publish(
     if quest.public {
         return Err(Error::QuestIsPublic(id));
     }
-    
-    quest.public = true;
 
-    let content = make_quest_message_content(ctx, &quest);
-
-    let builder = CreateMessage::new()
-        .content(content);
-
-    let dc = ctx.data().discord.clone();
-    let channel = {
-        let guard = dc.lock().expect("shouldn't be locked");
-        guard.quests_channel
-    };
-
-    channel.send_message(ctx, builder).await?;
-
-    let quests_path = ctx.data().config.full_quests_path();
-    quest.save(quests_path)?;
+    publish_inner(ctx, quest).await?;
 
     let strings = &ctx.data().strings;
     let formatter = strings.formatter().quest(&quest);
diff --git a/discord/src/error.rs b/discord/src/error.rs
index e5f57c8..8d8b442 100644
--- a/discord/src/error.rs
+++ b/discord/src/error.rs
@@ -20,6 +20,7 @@ pub enum Error {
     RoomNotFound(u16),
     RoomAlreadyUnlocked(u16),
     CannotReach(u16),
+    TimerSet,
 }
 
 impl From<serenity::Error> for Error {
@@ -63,6 +64,7 @@ impl Display for Error {
             Self::RoomNotFound(id) => write!(f, "room #{id} not found"),
             Self::RoomAlreadyUnlocked(id) => write!(f, "room #{id} is already unlocked for this user"),
             Self::CannotReach(id) => write!(f, "user cannot reach room #{id}"),
+            Self::TimerSet => write!(f, "timer is already set"),
         }
     }
 }
@@ -81,7 +83,8 @@ impl std::error::Error for Error {
             Self::InsufficientFunds(_) |
             Self::RoomNotFound(_) |
             Self::RoomAlreadyUnlocked(_) |
-            Self::CannotReach(_) => None,
+            Self::CannotReach(_) |
+            Self::TimerSet => None,
             Self::SerenityError(error) => Some(error),
             Self::SquadQuestError(error) => Some(error),
         }
diff --git a/discord/src/main.rs b/discord/src/main.rs
index f65b4fc..cfb68c7 100644
--- a/discord/src/main.rs
+++ b/discord/src/main.rs
@@ -1,4 +1,4 @@
-use std::sync::{Arc, Mutex};
+use std::{sync::{Arc, Mutex}};
 
 use clap::Parser;
 use dotenvy::dotenv;
@@ -13,16 +13,42 @@ mod config;
 mod account;
 mod error;
 mod strings;
+mod timer;
 
 const CONFIG_PATH: &str = "cfg/config.toml";
 const DISCORD_TOKEN: &str = "DISCORD_TOKEN";
 
+#[derive(Debug)]
+struct InnerBool {
+    pub value: bool,
+}
+
 #[derive(Debug)]
 struct Data {
     pub config: Config,
     pub discord: Arc<Mutex<DiscordConfig>>,
     pub strings: Strings,
+    pub timer_set: Arc<Mutex<InnerBool>>,
 }
+
+impl Data {
+    pub fn timer(&self) {
+        let tm = self.timer_set.clone();
+        {
+            let mut guard = tm.lock().unwrap();
+            guard.value = true;
+        }
+    }
+    
+    pub fn has_timer(&self) -> bool {
+        let tm = self.timer_set.clone();
+        {
+            let guard = tm.lock().unwrap();
+            guard.value
+        }
+    }
+}
+
 type Context<'a> = poise::Context<'a, Data, Error>;
 
 #[tokio::main]
@@ -43,10 +69,11 @@ async fn main() {
         .options(poise::FrameworkOptions {
             on_error: |err| Box::pin(error_handler(err)),
             commands: vec![
-                //commands::register(),
+                commands::register(),
                 commands::quest::quest(),
                 commands::info(),
                 commands::init::init(),
+                commands::init::timer(),
                 commands::answer::answer(),
                 commands::social::social(),
                 commands::account::scoreboard(),
@@ -57,12 +84,13 @@ async fn main() {
             ],
             ..Default::default()
         })
-        .setup(|ctx, _ready, _framework| {
+        .setup(|_ctx, _ready, _framework| {
             Box::pin(async move {
                 //poise::builtins::register_globally(ctx, &framework.options().commands).await?;
                 Ok(Data {
                     config,
                     discord: Arc::new(Mutex::new(discord)),
+                    timer_set: Arc::new(Mutex::new(InnerBool { value: false })),
                     strings,
                 })
             })
diff --git a/discord/src/strings.rs b/discord/src/strings.rs
index 711afc9..a3d485f 100644
--- a/discord/src/strings.rs
+++ b/discord/src/strings.rs
@@ -125,6 +125,7 @@ pub struct Strings {
     pub points: String,
     pub info: String,
     pub init_reply: String,
+    pub timer_reply: String,
     pub account: AccountReplies,
     pub answer: Answer,
     pub difficulty: Difficulty,
@@ -142,6 +143,7 @@ impl Default for Strings {
             info: "SquadQuest version {v}\
             {n}Find the map here: {url}".to_string(),
             init_reply: "Updated linked channels and guild.".to_string(),
+            timer_reply: "Set daily timer on {value}.".to_string(),
             answer: Answer::default(),
             difficulty: Difficulty::default(),
             scoreboard: Scoreboard::default(),
diff --git a/discord/src/timer.rs b/discord/src/timer.rs
new file mode 100644
index 0000000..3930492
--- /dev/null
+++ b/discord/src/timer.rs
@@ -0,0 +1,56 @@
+use std::time::Duration;
+
+use chrono::{Datelike, Timelike, Utc};
+use tokio::time::sleep;
+use toml::value::Date as TomlDate;
+
+use crate::{Context, commands::{print_error_recursively, quest::publish_inner}};
+
+const DAY_IN_SECONDS: u64 = 24 * 60 * 60;
+
+#[derive(Debug)]
+pub struct DailyTimer {
+    start_time: u64,
+}
+
+impl DailyTimer {
+    pub fn new(start_time: u64) -> Self {
+        Self { start_time }
+    }
+    
+    fn get_countdown(&self) -> u64 {
+        let current_time = Utc::now().time();
+        let seconds = current_time.num_seconds_from_midnight() as u64;
+        let result = if seconds > self.start_time {
+            DAY_IN_SECONDS + self.start_time - seconds
+        } else {
+            self.start_time - seconds
+        };
+        if result == 0 {
+            return DAY_IN_SECONDS - 1;
+        }
+        result
+   }
+
+    pub async fn start(&self, ctx: Context<'_>) {
+        loop {
+            let countdown = self.get_countdown();
+            println!("Daily timer: sleeping for {countdown} seconds.");
+            sleep(Duration::from_secs(countdown)).await;
+            let now = Utc::now().date_naive();
+            let date = TomlDate {
+                year: now.year() as u16,
+                month: now.month() as u8,
+                day: now.day() as u8,
+            };
+            let conf = &ctx.data().config;
+            let quests = conf.load_quests().into_iter().filter(|q| !q.public && q.available_on.is_some_and(|d| d <= date));
+            for mut quest in quests {
+                if let Err(error) = publish_inner(ctx, &mut quest).await {
+                    eprintln!("ERROR in timer:");
+                    print_error_recursively(&error);
+                }
+            }
+        }
+    }
+}