diff --git a/Cocotte/Migrations/20230325234255_AddActivityDueTime.Designer.cs b/Cocotte/Migrations/20230325234255_AddActivityDueTime.Designer.cs
new file mode 100644
index 0000000..768a951
--- /dev/null
+++ b/Cocotte/Migrations/20230325234255_AddActivityDueTime.Designer.cs
@@ -0,0 +1,159 @@
+// <auto-generated />
+using System;
+using Cocotte.Services;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Cocotte.Migrations
+{
+    [DbContext(typeof(CocotteDbContext))]
+    [Migration("20230325234255_AddActivityDueTime")]
+    partial class AddActivityDueTime
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "7.0.4");
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.Activity", b =>
+                {
+                    b.Property<ulong>("GuildId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<ulong>("ChannelId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<ulong>("MessageId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("AreRolesEnabled")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime>("CreationDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("CreatorDisplayName")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<ulong>("CreatorUserId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Discriminator")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<TimeOnly?>("DueTime")
+                        .HasColumnType("TEXT");
+
+                    b.Property<uint>("MaxPlayers")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("Name")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<ulong>("ThreadId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("GuildId", "ChannelId", "MessageId");
+
+                    b.HasIndex("ThreadId");
+
+                    b.ToTable("Activities");
+
+                    b.HasDiscriminator<string>("Discriminator").HasValue("Activity");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.ActivityPlayer", b =>
+                {
+                    b.Property<ulong>("GuildId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<ulong>("ChannelId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<ulong>("MessageId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<ulong>("UserId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Discriminator")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("GuildId", "ChannelId", "MessageId", "UserId");
+
+                    b.ToTable("ActivityPlayers");
+
+                    b.HasDiscriminator<string>("Discriminator").HasValue("ActivityPlayer");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.InterstellarActivity", b =>
+                {
+                    b.HasBaseType("Cocotte.Modules.Activities.Models.Activity");
+
+                    b.Property<int>("Color")
+                        .HasColumnType("INTEGER");
+
+                    b.HasDiscriminator().HasValue("InterstellarActivity");
+                });
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.StagedActivity", b =>
+                {
+                    b.HasBaseType("Cocotte.Modules.Activities.Models.Activity");
+
+                    b.Property<uint>("Stage")
+                        .HasColumnType("INTEGER");
+
+                    b.HasDiscriminator().HasValue("StagedActivity");
+                });
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.ActivityRolePlayer", b =>
+                {
+                    b.HasBaseType("Cocotte.Modules.Activities.Models.ActivityPlayer");
+
+                    b.Property<byte>("Roles")
+                        .HasColumnType("INTEGER");
+
+                    b.HasDiscriminator().HasValue("ActivityRolePlayer");
+                });
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.ActivityPlayer", b =>
+                {
+                    b.HasOne("Cocotte.Modules.Activities.Models.Activity", "Activity")
+                        .WithMany("ActivityPlayers")
+                        .HasForeignKey("GuildId", "ChannelId", "MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Activity");
+                });
+
+            modelBuilder.Entity("Cocotte.Modules.Activities.Models.Activity", b =>
+                {
+                    b.Navigation("ActivityPlayers");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Cocotte/Migrations/20230325234255_AddActivityDueTime.cs b/Cocotte/Migrations/20230325234255_AddActivityDueTime.cs
new file mode 100644
index 0000000..55db758
--- /dev/null
+++ b/Cocotte/Migrations/20230325234255_AddActivityDueTime.cs
@@ -0,0 +1,29 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Cocotte.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddActivityDueTime : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<TimeOnly>(
+                name: "DueTime",
+                table: "Activities",
+                type: "TEXT",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "DueTime",
+                table: "Activities");
+        }
+    }
+}
diff --git a/Cocotte/Migrations/CocotteDbContextModelSnapshot.cs b/Cocotte/Migrations/CocotteDbContextModelSnapshot.cs
index 185380f..a886ace 100644
--- a/Cocotte/Migrations/CocotteDbContextModelSnapshot.cs
+++ b/Cocotte/Migrations/CocotteDbContextModelSnapshot.cs
@@ -48,6 +48,9 @@ namespace Cocotte.Migrations
                         .IsRequired()
                         .HasColumnType("TEXT");
 
+                    b.Property<TimeOnly?>("DueTime")
+                        .HasColumnType("TEXT");
+
                     b.Property<uint>("MaxPlayers")
                         .HasColumnType("INTEGER");
 
diff --git a/Cocotte/Modules/Activities/ActivityFormatter.cs b/Cocotte/Modules/Activities/ActivityFormatter.cs
index f5733b4..d7fbd9d 100644
--- a/Cocotte/Modules/Activities/ActivityFormatter.cs
+++ b/Cocotte/Modules/Activities/ActivityFormatter.cs
@@ -66,13 +66,27 @@ public class ActivityFormatter
                 $"{FormatActivityName(activity.Name)} ({players.Count}/{activity.MaxPlayers})"
         };
 
+        // Build description
         var descriptionBuilder = new StringBuilder();
+
+        // Add time if specified
+        if (activity.DueTime is { } time)
+        {
+            descriptionBuilder.AppendLine($"**:clock2: {TimestampTag.FormatFromDateTime(DateTime.Today.WithTimeOnly(time), TimestampTagStyles.ShortTime)}**");
+        }
+        else
+        {
+            descriptionBuilder.AppendLine($"**:clock2: Maintenant**");
+        }
+
+        // Add generic message or specified activity description
         descriptionBuilder.AppendLine(
             string.IsNullOrWhiteSpace(activity.Description)
                 ? $"Rejoignez l'activité de {MentionUtils.MentionUser(activity.CreatorUserId)}"
                 : activity.Description
         );
 
+        // Add thread link
         descriptionBuilder.AppendLine();
         descriptionBuilder.Append($"**[Fil associé]({ChannelUtils.GetChannelLink(activity.GuildId, activity.ThreadId)})**");
 
diff --git a/Cocotte/Modules/Activities/ActivityModule.cs b/Cocotte/Modules/Activities/ActivityModule.cs
index 3d95c0d..70abf4d 100644
--- a/Cocotte/Modules/Activities/ActivityModule.cs
+++ b/Cocotte/Modules/Activities/ActivityModule.cs
@@ -53,91 +53,108 @@ public partial class ActivityModule : InteractionModuleBase<SocketInteractionCon
 
     [SlashCommand("abime-néant", "Créer un groupe pour l'Abîme du Néant")]
     [Alias("abime", "abyss")]
-    public async Task ActivityVoidAbyss([Summary("étage", "A quel étage vous êtes")] [MinValue(1), MaxValue(6)] uint stage, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityVoidAbyss([Summary("étage", "A quel étage vous êtes")] [MinValue(1), MaxValue(6)] uint stage, [Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.Abyss, description, stage: stage);
+        await CreateActivity(ActivityName.Abyss, timeInput, description, stage: stage);
     }
 
     [SlashCommand("origine-guerre", "Créer un groupe pour l'Origine de la guerre")]
     [Alias("origine", "OOW")]
-    public async Task ActivityOrigins([Summary("étage", "A quel étage vous êtes")] [MinValue(1), MaxValue(25)] uint stage, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityOrigins([Summary("étage", "A quel étage vous êtes")] [MinValue(1), MaxValue(25)] uint stage, [Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.OriginsOfWar, description, stage: stage);
+        await CreateActivity(ActivityName.OriginsOfWar, timeInput, description, stage: stage);
     }
 
     [SlashCommand("raids", "Créer un groupe pour les Raids")]
-    public async Task ActivityRaids([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityRaids([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.Raids, description);
+        await CreateActivity(ActivityName.Raids, timeInput, description);
     }
 
     [SlashCommand("conflit-frontalier", "Créer un groupe pour Conflit frontalier")]
     [Alias("conflit", "FC")]
-    public async Task ActivityFrontierClash([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityFrontierClash([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.FrontierClash, description);
+        await CreateActivity(ActivityName.FrontierClash, timeInput, description);
     }
 
     [SlashCommand("failles-neant", "Créer un groupe pour les Failles du néant")]
     [Alias("failles", "rift")]
-    public async Task ActivityVoidRift([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityVoidRift([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.VoidRift, description);
+        await CreateActivity(ActivityName.VoidRift, timeInput, description);
     }
 
     [SlashCommand("operations-conjointes", "Créer un groupe pour les Opérations conjointes")]
     [Alias("operations", "JO")]
-    public async Task ActivityJointOperation([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityJointOperation([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.JointOperation, description);
+        await CreateActivity(ActivityName.JointOperation, timeInput, description);
     }
 
     [SlashCommand("portes-interstellaires", "Créer un groupe pour les Portes interstellaires")]
     [Alias("portes")]
-    public async Task ActivityInterstellarExploration([Summary("couleur", "De quel couleur de matériaux s'agît-il")] InterstellarColor color, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityInterstellarExploration([Summary("couleur", "De quel couleur de matériaux s'agît-il")] InterstellarColor color, [Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.InterstellarExploration, description, areRolesEnabled: false, interstellarColor: color);
+        await CreateActivity(ActivityName.InterstellarExploration, timeInput, description, areRolesEnabled: false, interstellarColor: color);
     }
 
     [SlashCommand("3v3", "Créer un groupe pour le 3v3 (Échapper au destin)")]
     [Alias("BR")]
-    public async Task ActivityBreakFromDestiny([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityBreakFromDestiny([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.BreakFromDestiny, description, areRolesEnabled: false);
+        await CreateActivity(ActivityName.BreakFromDestiny, timeInput, description, areRolesEnabled: false);
     }
 
     [SlashCommand("8v8", "Créer un groupe pour le 8v8 (Abîme critique)")]
     [Alias("critical")]
-    public async Task ActivityCriticalAbyss([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityCriticalAbyss([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.CriticalAbyss, description);
+        await CreateActivity(ActivityName.CriticalAbyss, timeInput, description);
     }
 
     [SlashCommand("evenement", "Créer un groupe pour les évènements")]
     [Alias("event")]
-    public async Task ActivityEvent([Summary("joueurs", "Nombre de joueurs maximum pour cette activité")] [MinValue(2), MaxValue(16)] uint maxPlayers = 8,  [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityEvent([Summary("joueurs", "Nombre de joueurs maximum pour cette activité")] [MinValue(2), MaxValue(16)] uint maxPlayers = 8, [Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.Event, description, areRolesEnabled: false, maxPlayers: maxPlayers);
+        await CreateActivity(ActivityName.Event, timeInput, description, areRolesEnabled: false, maxPlayers: maxPlayers);
     }
 
     [SlashCommand("peche", "Créer un groupe pour de la pêche")]
     [Alias("fishing")]
-    public async Task ActivityFishing([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityFishing([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.Fishing, description, areRolesEnabled: false);
+        await CreateActivity(ActivityName.Fishing, timeInput, description, areRolesEnabled: false);
     }
 
     [SlashCommand("course", "Créer un groupe pour les courses de Mirroria")]
     [Alias("BR")]
-    public async Task ActivityMirroriaRace([Summary("description", "Message accompagnant la demande de groupe")] string description = "")
+    public async Task ActivityMirroriaRace([Summary("heure", "Heure à laquelle l'activité est prévue")] string? timeInput = null, [Summary("description", "Message accompagnant la demande de groupe")] string description = "")
     {
-        await CreateActivity(ActivityName.MirroriaRace, description, areRolesEnabled: false);
+        await CreateActivity(ActivityName.MirroriaRace, timeInput, description, areRolesEnabled: false);
     }
 
     #endregion
 
-    private async Task CreateActivity(ActivityName activityName, string description, bool areRolesEnabled = true, uint? maxPlayers = null, uint? stage = null, InterstellarColor? interstellarColor = null)
+    private async Task CreateActivity(ActivityName activityName, string? timeInput, string description, bool areRolesEnabled = true, uint? maxPlayers = null, uint? stage = null, InterstellarColor? interstellarColor = null)
     {
+        // Check time if it's specified
+        TimeOnly? time = null;
+        if (timeInput is not null)
+        {
+            if (!TimeOnly.TryParse(timeInput, out var parsedTime))
+            {
+                await RespondAsync(
+                    ephemeral: true,
+                    embed: EmbedUtils.ErrorEmbed("**Heure invalide**, essayez avec le **format** `heure:minutes`\nPar exemple: `15:30`").Build()
+                );
+
+                return;
+            }
+
+            time = parsedTime;
+        }
+
         _logger.LogTrace("{User} is creating activity {Activity}", User.DisplayName, activityName);
 
         // Activities are identified using their original message id
@@ -163,6 +180,7 @@ public partial class ActivityModule : InteractionModuleBase<SocketInteractionCon
                 CreatorUserId = Context.User.Id,
                 CreatorDisplayName = ((SocketGuildUser) Context.User).DisplayName,
                 Description = description,
+                DueTime = time,
                 Type = activityType,
                 Name = activityName,
                 AreRolesEnabled = areRolesEnabled,
@@ -181,6 +199,7 @@ public partial class ActivityModule : InteractionModuleBase<SocketInteractionCon
                 CreatorUserId = Context.User.Id,
                 CreatorDisplayName = ((SocketGuildUser) Context.User).DisplayName,
                 Description = description,
+                DueTime = time,
                 Type = activityType,
                 Name = activityName,
                 AreRolesEnabled = false,
@@ -199,6 +218,7 @@ public partial class ActivityModule : InteractionModuleBase<SocketInteractionCon
                 CreatorUserId = Context.User.Id,
                 CreatorDisplayName = ((SocketGuildUser) Context.User).DisplayName,
                 Description = description,
+                DueTime = time,
                 Type = activityType,
                 Name = activityName,
                 AreRolesEnabled = areRolesEnabled,
diff --git a/Cocotte/Modules/Activities/ActivityModuleThread.cs b/Cocotte/Modules/Activities/ActivityModuleThread.cs
index 62fb66b..b09851b 100644
--- a/Cocotte/Modules/Activities/ActivityModuleThread.cs
+++ b/Cocotte/Modules/Activities/ActivityModuleThread.cs
@@ -1,5 +1,4 @@
-using System.Diagnostics.CodeAnalysis;
-using System.Text;
+using System.Text;
 using Cocotte.Modules.Activities.Models;
 using Cocotte.Utils;
 using Discord;
diff --git a/Cocotte/Modules/Activities/Models/Activity.cs b/Cocotte/Modules/Activities/Models/Activity.cs
index 6ab019e..1e956f8 100644
--- a/Cocotte/Modules/Activities/Models/Activity.cs
+++ b/Cocotte/Modules/Activities/Models/Activity.cs
@@ -17,6 +17,7 @@ public class Activity
     public required ulong ThreadId { get; init; }
     public required ulong CreatorUserId { get; init; }
     public required string CreatorDisplayName { get; init; }
+    public TimeOnly? DueTime { get; init; }
     public string? Description { get; set; }
     public required ActivityType Type { get; init; }
     public required ActivityName Name { get; init; }
diff --git a/Cocotte/Utils/DateTimeUtils.cs b/Cocotte/Utils/DateTimeUtils.cs
index 175c116..6015f94 100644
--- a/Cocotte/Utils/DateTimeUtils.cs
+++ b/Cocotte/Utils/DateTimeUtils.cs
@@ -13,4 +13,11 @@ public static class DateTimeUtils
         int offset = (7 - c + d) % 7;
         return offset;
     }
+
+    public static DateTime WithTimeOnly(this DateTime dateTime, TimeOnly timeOnly)
+    {
+        return new DateTime(
+            dateTime.Year, dateTime.Month, dateTime.Day, timeOnly.Hour, timeOnly.Minute, timeOnly.Second
+        );
+    }
 }
\ No newline at end of file