diff --git a/src/tww/tww.py b/src/tww/tww.py
index 9b89383..a7481d3 100644
--- a/src/tww/tww.py
+++ b/src/tww/tww.py
@@ -439,7 +439,7 @@ def query_to_dt(query):
 def tzinfo_from_offset(offset: str) -> pytz.timezone:
     if ':' in offset:
         offset = ''.join(offset.split(':'))
-    tznames = TZ_OFFSETS.get(offset, [])
+    tznames = TZ_OFFSETS.get(offset, ["utc"])
     for tzname in tznames:
         if tzname.startswith('Etc/GMT'):
             return pytz.timezone(tzname)