diff --git a/BrackeysBot/ArgumentConverters/TimeSpanArgumentConverter.cs b/BrackeysBot/ArgumentConverters/TimeSpanArgumentConverter.cs
new file mode 100644
index 0000000..ed613cf
--- /dev/null
+++ b/BrackeysBot/ArgumentConverters/TimeSpanArgumentConverter.cs
@@ -0,0 +1,71 @@
+using System;
+using System.Threading.Tasks;
+using DisCatSharp.CommandsNext;
+using DisCatSharp.CommandsNext.Converters;
+using DisCatSharp.Entities;
+
+namespace BrackeysBot.ArgumentConverters;
+
+/// <summary>
+///     Represents a converter which converts a command argument to <see cref="TimeSpan" />.
+/// </summary>
+internal sealed class TimeSpanArgumentConverter : IArgumentConverter<TimeSpan>
+{
+    /// <inheritdoc />
+    public Task<Optional<TimeSpan>> ConvertAsync(string value, CommandContext ctx)
+    {
+        TimeSpan result = TimeSpan.Zero;
+        var unitValue = 0;
+
+        for (var index = 0; index < value.Length; index++)
+        {
+            char current = value[index];
+            switch (current)
+            {
+                case var digitChar when char.IsDigit(digitChar):
+                    var digit = (int) char.GetNumericValue(digitChar);
+                    unitValue = unitValue * 10 + digit;
+                    break;
+
+                case 'y':
+                    result += TimeSpan.FromDays(unitValue * 365);
+                    unitValue = 0;
+                    break;
+
+                case 'm':
+                    if (index < value.Length - 1 && value[index + 1] == 'o')
+                    {
+                        index++;
+                        result += TimeSpan.FromDays(unitValue * 30);
+                    }
+                    else
+                        result += TimeSpan.FromMinutes(unitValue);
+
+                    unitValue = 0;
+                    break;
+
+                case 'w':
+                    result += TimeSpan.FromDays(unitValue * 7);
+                    unitValue = 0;
+                    break;
+
+                case 'd':
+                    result += TimeSpan.FromDays(unitValue);
+                    unitValue = 0;
+                    break;
+
+                case 'h':
+                    result += TimeSpan.FromHours(unitValue);
+                    unitValue = 0;
+                    break;
+
+                case 's':
+                    result += TimeSpan.FromSeconds(unitValue);
+                    unitValue = 0;
+                    break;
+            }
+        }
+
+        return Task.FromResult<Optional<TimeSpan>>(result);
+    }
+}
diff --git a/BrackeysBot/Plugins/SimplePluginManager.cs b/BrackeysBot/Plugins/SimplePluginManager.cs
index a780b2e..6255bd9 100644
--- a/BrackeysBot/Plugins/SimplePluginManager.cs
+++ b/BrackeysBot/Plugins/SimplePluginManager.cs
@@ -6,10 +6,12 @@
 using System.Threading;
 using BrackeysBot.API.Exceptions;
 using BrackeysBot.API.Plugins;
+using BrackeysBot.ArgumentConverters;
 using BrackeysBot.Configuration;
 using BrackeysBot.Resources;
 using DisCatSharp;
 using DisCatSharp.CommandsNext;
+using DisCatSharp.CommandsNext.Converters;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
@@ -287,6 +289,9 @@ public IPlugin LoadPlugin(string name)
         CommandsNextExtension? commandsNext = plugin.DiscordClient?.GetCommandsNext();
         if (commandsNext is not null)
         {
+            commandsNext.UnregisterConverter<TimeSpanConverter>();
+            commandsNext.RegisterConverter(new TimeSpanArgumentConverter());
+
             string[] commandNames = commandsNext.RegisteredCommands.Keys.ToArray();
             Logger.Info(string.Format(LoggerMessages.PluginRegisteredCommands, pluginInfo.Name, commandNames.Length,
                 string.Join(", ", commandNames)));