diff --git a/jarvis/client.py b/jarvis/client.py
index 4619f84..04d44bb 100644
--- a/jarvis/client.py
+++ b/jarvis/client.py
@@ -2,7 +2,7 @@
 import logging
 import re
 import traceback
-from datetime import datetime
+from datetime import datetime, timezone
 
 from aiohttp import ClientSession
 from dis_snek import Snake, listen
@@ -104,7 +104,7 @@ class Jarvis(Snake):
             return
         guild = await self.fetch_guild(DEFAULT_GUILD)
         channel = await guild.fetch_channel(DEFAULT_ERROR_CHANNEL)
-        error_time = datetime.utcnow().strftime("%d-%m-%Y %H:%M-%S.%f UTC")
+        error_time = datetime.now(tz=timezone.utc).strftime("%d-%m-%Y %H:%M-%S.%f UTC")
         timestamp = int(datetime.now().timestamp())
         timestamp = f"<t:{timestamp}:T>"
         arg_str = ""
@@ -124,18 +124,19 @@ class Jarvis(Snake):
             callback_args=callback_args,
             callback_kwargs=callback_kwargs,
         )
-        if len(full_message) >= 1900:
-            error_message = "  ".join(traceback.format_exception(error))
+        error_message = "".join(traceback.format_exception(error))
+        if len(full_message + error_message) >= 1800:
+            error_message = "  ".join(error_message.split("\n"))
             full_message += "Exception: |\n  " + error_message
             paste = Paste(content=full_message)
             await paste.save(DEFAULT_SITE)
+            self.logger.debug(f"Large traceback, saved to Pasty {paste.id}")
 
             await channel.send(
                 f"JARVIS encountered an error at {timestamp}. Log too big to send over Discord."
                 f"\nPlease see log at {paste.url}"
             )
         else:
-            error_message = "".join(traceback.format_exception(error))
             await channel.send(
                 f"JARVIS encountered an error at {timestamp}:"
                 f"\n```yaml\n{full_message}\n```"
diff --git a/jarvis/cogs/admin/mute.py b/jarvis/cogs/admin/mute.py
index a8c7666..4ccf7f1 100644
--- a/jarvis/cogs/admin/mute.py
+++ b/jarvis/cogs/admin/mute.py
@@ -1,6 +1,6 @@
 """J.A.R.V.I.S. MuteCog."""
 import logging
-from datetime import datetime
+from datetime import datetime, timedelta, timezone
 
 from dis_snek import InteractionContext, Permissions, Snake
 from dis_snek.models.discord.embed import EmbedField
@@ -76,7 +76,8 @@ class MuteCog(ModcaseCog):
             await ctx.send("Mute must be less than 4 weeks (2419200 seconds)", ephemeral=True)
             return
 
-        await user.timeout(communication_disabled_until=duration, reason=reason)
+        until = datetime.now(tz=timezone.utc) + timedelta(minutes=duration)
+        await user.timeout(communication_disabled_until=until, reason=reason)
         m = Mute(
             user=user.id,
             reason=reason,
@@ -86,11 +87,15 @@ class MuteCog(ModcaseCog):
             active=True,
         )
         await m.commit()
+        ts = int(until.timestamp())
 
         embed = build_embed(
             title="User Muted",
             description=f"{user.mention} has been muted",
-            fields=[EmbedField(name="Reason", value=reason)],
+            fields=[
+                EmbedField(name="Reason", value=reason),
+                EmbedField(name="Until", value=f"<t:{ts}:F> <t:{ts}:R>"),
+            ],
         )
         embed.set_author(name=user.display_name, icon_url=user.display_avatar.url)
         embed.set_thumbnail(url=user.display_avatar.url)
@@ -109,7 +114,8 @@ class MuteCog(ModcaseCog):
     async def _unmute(self, ctx: InteractionContext, user: Member) -> None:
         if (
             not user.communication_disabled_until
-            or user.communication_disabled_until < datetime.now()  # noqa: W503
+            or user.communication_disabled_until.timestamp()
+            < datetime.now(tz=timezone.utc).timestamp()  # noqa: W503
         ):
             await ctx.send("User is not muted", ephemeral=True)
             return
diff --git a/jarvis/cogs/remindme.py b/jarvis/cogs/remindme.py
index 05e6d81..b03271b 100644
--- a/jarvis/cogs/remindme.py
+++ b/jarvis/cogs/remindme.py
@@ -2,7 +2,7 @@
 import asyncio
 import logging
 import re
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import List
 
 from bson import ObjectId
@@ -126,13 +126,13 @@ class RemindmeCog(Scale):
             )
             return
 
-        if remind_at < datetime.utcnow():
+        if remind_at < datetime.now(tz=timezone.utc):
             await response.send(
                 f"`{delay}` is in the past. Past reminders aren't allowed", ephemeral=True
             )
             return
 
-        elif remind_at < datetime.utcnow():
+        elif remind_at < datetime.now(tz=timezone.utc):
             pass
 
         r = Reminder(
diff --git a/jarvis/utils/cogs.py b/jarvis/utils/cogs.py
index f9361c3..a235c3c 100644
--- a/jarvis/utils/cogs.py
+++ b/jarvis/utils/cogs.py
@@ -1,5 +1,5 @@
 """Cog wrapper for command caching."""
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 from dis_snek import Context, Scale, Snake
 from dis_snek.client.utils.misc_utils import find
@@ -35,7 +35,7 @@ class CacheCog(Scale):
     async def _expire_interaction(self) -> None:
         keys = list(self.cache.keys())
         for key in keys:
-            if self.cache[key]["timeout"] <= datetime.utcnow() + timedelta(minutes=1):
+            if self.cache[key]["timeout"] <= datetime.now(tz=timezone.utc) + timedelta(minutes=1):
                 del self.cache[key]