diff --git a/cogs/timetable.py b/cogs/timetable.py
index 722708f..e7e5919 100644
--- a/cogs/timetable.py
+++ b/cogs/timetable.py
@@ -112,7 +112,7 @@ class TimeTableCog(commands.Cog):
             if next_lesson:
                 text += "\n[tt] Next lesson: {0[name]!r} with {0[tutor]} in {0[room]} - starts {1}".format(
                     next_lesson,
-                    next_lesson["start_datetime"]
+                    discord.utils.format_dt(next_lesson["start_datetime"], 'R')
                 )
 
         if no_prefix: