diff --git a/bot/commands/medications.py b/bot/commands/medications.py
index b521062..ad52437 100644
--- a/bot/commands/medications.py
+++ b/bot/commands/medications.py
@@ -25,11 +25,11 @@ def _get_nearest_scheduled_time(times, user_tz=None):
         # Default to UTC if no timezone provided
         user_tz = timezone.utc
     elif isinstance(user_tz, int):
-        # If user_tz is an offset in minutes, convert to timezone object
-        # Positive offset means behind UTC, so we need to use Etc/GMT+N
-        # where N = -offset_minutes/60 (because Etc/GMT+5 means 5 hours behind UTC)
-        offset_hours = -user_tz // 60
-        user_tz = pytz.timezone(f"Etc/GMT+{offset_hours}")
+        # If user_tz is an offset in minutes, convert to timezone object.
+        # The int format is: positive = behind UTC (e.g. 480 = UTC-8).
+        # Python's timezone offset is: positive = ahead of UTC.
+        # So we negate the input to get the correct standard offset.
+        user_tz = timezone(timedelta(minutes=-user_tz))
 
     now = datetime.now(user_tz)
     now_minutes = now.hour * 60 + now.minute