diff --git a/DiscordBot/Controllers/RaidController.cs b/DiscordBot/Controllers/RaidController.cs
index df4aa93..f9bd003 100644
--- a/DiscordBot/Controllers/RaidController.cs
+++ b/DiscordBot/Controllers/RaidController.cs
@@ -69,7 +69,11 @@ namespace DiscordBot.Controllers
         {
             foreach(ulong userId in reminder.UserIds)
             {
-                await _client.GetUser(userId).SendMessageAsync(reminder.Message);
+                var user = await _client.GetUserAsync(userId);
+                if(user != null)
+                {
+                    await user.SendMessageAsync(reminder.Message);
+                }
             }
         }
 
diff --git a/Lieb/Data/DiscordService.cs b/Lieb/Data/DiscordService.cs
index 1267ff1..dc17d49 100644
--- a/Lieb/Data/DiscordService.cs
+++ b/Lieb/Data/DiscordService.cs
@@ -272,13 +272,15 @@ namespace Lieb.Data
                 Message = message
             };
             apiReminder.UserIds = new List<ulong>();
+            HashSet<ulong> userIds = new HashSet<ulong>();
             foreach(RaidSignUp signUp in raid.SignUps)
             {
                 if(signUp.LiebUserId.HasValue)
                 {
-                    apiReminder.UserIds.Add(signUp.LiebUserId.Value);
+                    userIds.Add(signUp.LiebUserId.Value);
                 }
             }
+            apiReminder.UserIds = userIds.ToList();
             return apiReminder;
         }
 
diff --git a/Lieb/Data/RaidService.cs b/Lieb/Data/RaidService.cs
index 971f180..d22fdcb 100644
--- a/Lieb/Data/RaidService.cs
+++ b/Lieb/Data/RaidService.cs
@@ -429,6 +429,7 @@ namespace Lieb.Data
             using var context = _contextFactory.CreateDbContext();
             List<RaidReminder> reminders = context.RaidReminders
                 .Include(r => r.Raid)
+                .ThenInclude(r => r.SignUps)
                 .Where(r => !r.Sent)
                 .ToList();
 
diff --git a/Lieb/Models/GuildWars2/Raid/RaidReminder.cs b/Lieb/Models/GuildWars2/Raid/RaidReminder.cs
index f55437c..87fae64 100644
--- a/Lieb/Models/GuildWars2/Raid/RaidReminder.cs
+++ b/Lieb/Models/GuildWars2/Raid/RaidReminder.cs
@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using System;
 
 namespace Lieb.Models.GuildWars2.Raid
 {
@@ -10,12 +11,22 @@ namespace Lieb.Models.GuildWars2.Raid
             Channel = 2
         }
 
+        public enum ReminderTimeType
+        {
+            Static = 1,
+            Dynamic = 2
+        }
+
         public int RaidReminderId { get; set; }
 
         [Required]
         [Range(1, 2, ErrorMessage = "Please select a reminder type")]
         public ReminderType Type { get; set; }
 
+        [Required]
+        [Range(1, 2, ErrorMessage = "Please select a reminder type")]
+        public ReminderTimeType TimeType { get; set; }
+
         [Required]
         [StringLength(1000, ErrorMessage = "Message too long (1000 character limit).")]
         public string Message { get; set; } = string.Empty;
@@ -33,4 +44,66 @@ namespace Lieb.Models.GuildWars2.Raid
 
         public Raid Raid { get; set; }
     }
+
+    public class StaticRaidReminder : RaidReminder
+    {
+        public DateTimeOffset ReminderDate {get; set; } = DateTime.Now.Date;
+        public DateTimeOffset ReminderTime {get; set; }
+
+        
+        public StaticRaidReminder()
+        {
+            TimeType = ReminderTimeType.Static;
+        }
+
+        public StaticRaidReminder(RaidReminder reminder, DateTimeOffset reminderDate, DateTimeOffset remindertime)
+        {
+            var properties = reminder.GetType().GetProperties();
+            properties.ToList().ForEach(property =>
+            {
+                var value = reminder.GetType().GetProperty(property.Name).GetValue(reminder, null);
+                this.GetType().GetProperty(property.Name).SetValue(this, value, null);
+            });
+            ReminderDate = reminderDate;
+            ReminderTime = remindertime;
+        }
+    }
+
+    public class DynamicRaidReminder : RaidReminder
+    {
+        public int DaysBeforeRaid {get; set; }
+        public int HoursBeforeRaid {get; set; }
+        public int MinutesBeforeRaid {get; set; }
+
+        public DynamicRaidReminder()
+        {
+            TimeType = ReminderTimeType.Dynamic;
+        }
+
+        public DynamicRaidReminder(RaidReminder reminder, DateTimeOffset raidStartTimeUTC)
+        {
+            var properties = reminder.GetType().GetProperties();
+            properties.ToList().ForEach(property =>
+            {
+                var value = reminder.GetType().GetProperty(property.Name).GetValue(reminder, null);
+                this.GetType().GetProperty(property.Name).SetValue(this, value, null);
+            });
+            TimeSpan reminderOffset = raidStartTimeUTC - reminder.ReminderTimeUTC;
+            DaysBeforeRaid = (int)reminderOffset.TotalDays;
+            HoursBeforeRaid = (int)(reminderOffset.TotalHours % 24);
+            MinutesBeforeRaid = (int)(reminderOffset.TotalMinutes % 60);
+        }
+
+        public static DynamicRaidReminder Create30MinReminder()
+        {
+            return new DynamicRaidReminder(){
+                DaysBeforeRaid = 0,
+                HoursBeforeRaid = 0,
+                MinutesBeforeRaid = 30,
+                Message = "The raid starts in 30 minutes.",
+                TimeType = ReminderTimeType.Dynamic,
+                Type = ReminderType.User                
+            };
+        }
+    }
 }
diff --git a/Lieb/Pages/Raids/RaidEdit/DynamicReminderEdit.razor b/Lieb/Pages/Raids/RaidEdit/DynamicReminderEdit.razor
new file mode 100644
index 0000000..7a48671
--- /dev/null
+++ b/Lieb/Pages/Raids/RaidEdit/DynamicReminderEdit.razor
@@ -0,0 +1,101 @@
+@using Lieb.Data
+@using Lieb.Models
+@using Lieb.Models.GuildWars2.Raid
+@using SharedClasses.SharedModels
+
+<p>
+    <label>
+        Dynamic Raid Reminders:
+    </label>
+    <button type=button @onclick="() => AddReminderClicked()">Add reminder</button>
+    <table>
+        <tr>
+            <th>Days</th>
+            <th>Hours</th>
+            <th>Minutes</th>
+            <th>Type</th>
+            @if(_raidReminders.Where(r => r.Type == RaidReminder.ReminderType.Channel).Any())
+            {
+                <th>Server</th>
+                <th>Channel</th>
+            }
+            else
+            {
+                <th></th>
+                <th></th>
+            }
+            <th>Message</th>
+        </tr>
+        @foreach( DynamicRaidReminder reminder in _raidReminders)
+        {
+            bool hidden = reminder.Type == RaidReminder.ReminderType.User;
+            <tr>
+                <td><InputNumber @bind-Value="reminder.DaysBeforeRaid" /></td>
+                <td><InputNumber @bind-Value="reminder.HoursBeforeRaid" /></td>
+                <td><InputNumber @bind-Value="reminder.MinutesBeforeRaid" /></td>
+                <td>
+                    <InputSelect @bind-Value="reminder.Type"> 
+                        @foreach(RaidReminder.ReminderType type in Enum.GetValues(typeof(RaidReminder.ReminderType)))
+                        {
+                            <option value="@type">@type.ToString()</option>
+                        }
+                    </InputSelect>
+                </td>
+                <td>
+                    <InputSelect @bind-Value="reminder.DiscordServerId" hidden="@hidden"> 
+                        @foreach(DiscordServer item in _discordServers)
+                        {
+                            <option value="@item.Id">@item.Name</option>
+                        }
+                    </InputSelect>
+                </td>
+                <td>
+                    <InputSelect @bind-Value="reminder.DiscordChannelId" hidden="@hidden"> 
+                        @if(reminder.DiscordServerId > 0)
+                        {
+                            List<DiscordChannel> channels = _discordServers.Where(s => s.Id == reminder.DiscordServerId).FirstOrDefault(new DiscordServer()).Channels;
+                            @foreach(DiscordChannel item in channels)
+                            {
+                                <option value="@item.Id">@item.Name</option>
+                            }
+                        }
+                    </InputSelect>
+                </td>
+                <td>
+                    <InputText @bind-Value="reminder.Message" />
+                </td>
+                <td><button type=button @onclick="() => DeleteReminderClicked(reminder)">Delete</button></td>
+            </tr>
+        }
+    </table> 
+</p>
+
+
+@code {
+
+    [Parameter]
+    public List<DynamicRaidReminder> _raidReminders { get; set; }
+
+    [Parameter]
+    public List<DiscordServer> _discordServers {get; set; }
+        
+    [Parameter]
+    public List<RaidReminder> _remindersToDelete {get; set; }
+    
+    async Task AddReminderClicked()
+    {
+        _raidReminders.Add(new DynamicRaidReminder()
+        {
+            Type = RaidReminder.ReminderType.User
+        });
+    }
+
+    async Task DeleteReminderClicked(DynamicRaidReminder reminder)
+    {
+        if(reminder.RaidReminderId != 0)
+        {
+            _remindersToDelete.Add(reminder);
+        }
+        _raidReminders.Remove(reminder);
+    }
+}
\ No newline at end of file
diff --git a/Lieb/Pages/Raids/RaidEdit/RaidEdit.razor b/Lieb/Pages/Raids/RaidEdit/RaidEdit.razor
index ccbbfc5..b14fe16 100644
--- a/Lieb/Pages/Raids/RaidEdit/RaidEdit.razor
+++ b/Lieb/Pages/Raids/RaidEdit/RaidEdit.razor
@@ -147,7 +147,8 @@
     
     
     <DiscordMessageEdit _raid=@_raid _discordServers=@_discordServers _messagesToDelete=@_messagesToDelete ></DiscordMessageEdit>
-    <ReminderEdit _raid=@_raid _discordServers=@_discordServers _remindersToDelete=@_remindersToDelete ></ReminderEdit>
+    <StaticReminderEdit _raidReminders=@_staticReminders _discordServers=@_discordServers _remindersToDelete=@_remindersToDelete ></StaticReminderEdit>
+    <DynamicReminderEdit _raidReminders=@_dynamicReminders _discordServers=@_discordServers _remindersToDelete=@_remindersToDelete ></DynamicReminderEdit>
     
     <ValidationSummary />
     <label class="validation-message" >@_errorMessage</label>
@@ -177,6 +178,9 @@
     private List<RaidReminder> _remindersToDelete = new List<RaidReminder>();
     private List<DiscordRaidMessage> _messagesToDelete = new List<DiscordRaidMessage>();
 
+    private List<StaticRaidReminder> _staticReminders = new List<StaticRaidReminder>();
+    private List<DynamicRaidReminder> _dynamicReminders = new List<DynamicRaidReminder>();
+
     private List<DiscordServer> _discordServers = new List<DiscordServer>();
 
 
@@ -206,15 +210,30 @@
                 _raidDate = _startTime.Date;
                 _freeForAllTime = await TimeZoneService.GetLocalDateTime(_raid.FreeForAllTimeUTC);
                 _freeForAllDate = _freeForAllTime.Date;
+                foreach(RaidReminder reminder in _raid.Reminders)
+                {
+                    if(reminder.TimeType == RaidReminder.ReminderTimeType.Static)
+                    {
+                        DateTimeOffset reminderTime = await TimeZoneService.GetLocalDateTime(reminder.ReminderTimeUTC);
+                        DateTimeOffset reminderDate = (await TimeZoneService.GetLocalDateTime(reminder.ReminderTimeUTC)).Date;
+                        _staticReminders.Add(new StaticRaidReminder(reminder, reminderDate, reminderTime));
+                    }
+                    else
+                    {
+                        _dynamicReminders.Add(new DynamicRaidReminder(reminder, _raid.StartTimeUTC));
+                    }
+                }
             }
             else
             {
                 _raid = new Raid();
+                _dynamicReminders.Add(DynamicRaidReminder.Create30MinReminder());
             }
         }
         else
         {
             _raid = new Raid();
+            _dynamicReminders.Add(DynamicRaidReminder.Create30MinReminder());
         }
 
         _discordServers = await DiscordService.GetServers();
@@ -282,6 +301,18 @@
             _raid.RaidOwnerId = _user.Id;
         }
 
+        _raid.Reminders.Clear();
+        foreach(DynamicRaidReminder reminder in _dynamicReminders)
+        {
+            reminder.ReminderTimeUTC = _raid.StartTimeUTC - new TimeSpan(reminder.DaysBeforeRaid, reminder.HoursBeforeRaid, reminder.MinutesBeforeRaid, 0);
+            _raid.Reminders.Add(reminder);
+        }
+        foreach(StaticRaidReminder reminder in _staticReminders)
+        {
+            reminder.ReminderTimeUTC = await TimeZoneService.GetUTCDateTime(reminder.ReminderDate.Date + reminder.ReminderTime.TimeOfDay);
+            _raid.Reminders.Add(reminder);
+        }
+
         await RaidService.AddOrEditRaid(_raid, _rolesToDelete, _remindersToDelete, _messagesToDelete);
         NavigationManager.NavigateTo("raidoverview");
     }
diff --git a/Lieb/Pages/Raids/RaidEdit/ReminderEdit.razor b/Lieb/Pages/Raids/RaidEdit/StaticReminderEdit.razor
similarity index 78%
rename from Lieb/Pages/Raids/RaidEdit/ReminderEdit.razor
rename to Lieb/Pages/Raids/RaidEdit/StaticReminderEdit.razor
index 113be4f..20eedb8 100644
--- a/Lieb/Pages/Raids/RaidEdit/ReminderEdit.razor
+++ b/Lieb/Pages/Raids/RaidEdit/StaticReminderEdit.razor
@@ -5,14 +5,15 @@
 
 <p>
     <label>
-        Raid Reminders:
+        Static Raid Reminders:
     </label>
     <button type=button @onclick="() => AddReminderClicked()">Add reminder</button>
     <table>
         <tr>
+            <th>Date</th>
             <th>Time</th>
             <th>Type</th>
-            @if(_raid.Reminders.Where(r => r.Type == RaidReminder.ReminderType.Channel).Any())
+            @if(_raidReminders.Where(r => r.Type == RaidReminder.ReminderType.Channel).Any())
             {
                 <th>Server</th>
                 <th>Channel</th>
@@ -24,12 +25,20 @@
             }
             <th>Message</th>
         </tr>
-        @foreach( RaidReminder reminder in _raid.Reminders)
+        @foreach( StaticRaidReminder reminder in _raidReminders)
         {
             bool hidden = reminder.Type == RaidReminder.ReminderType.User;
             <tr>
                 <td>
-                    TODO: Time
+                    <label>
+                        <InputDate @bind-Value="reminder.ReminderDate" />
+                    </label>
+                </td>
+
+                <td>
+                    <label>
+                        <input type="time" @bind="reminder.ReminderTime" />
+                    </label>
                 </td>
                 <td>
                     <InputSelect @bind-Value="reminder.Type"> 
@@ -72,7 +81,7 @@
 @code {
 
     [Parameter]
-    public Raid _raid { get; set; }
+    public List<StaticRaidReminder> _raidReminders { get; set; }
 
     [Parameter]
     public List<DiscordServer> _discordServers {get; set; }
@@ -82,19 +91,18 @@
     
     async Task AddReminderClicked()
     {
-        _raid.Reminders.Add(new RaidReminder()
+        _raidReminders.Add(new StaticRaidReminder()
         {
-            RaidId = _raid.RaidId,
             Type = RaidReminder.ReminderType.User
         });
     }
 
-    async Task DeleteReminderClicked(RaidReminder reminder)
+    async Task DeleteReminderClicked(StaticRaidReminder reminder)
     {
         if(reminder.RaidReminderId != 0)
         {
             _remindersToDelete.Add(reminder);
         }
-        _raid.Reminders.Remove(reminder);
+        _raidReminders.Remove(reminder);
     }
 }
\ No newline at end of file