diff --git a/releasenotes/notes/bug-2052593-f683555b24f1fba7.yaml b/releasenotes/notes/bug-2052593-f683555b24f1fba7.yaml
new file mode 100644
index 0000000..a54c5ce
--- /dev/null
+++ b/releasenotes/notes/bug-2052593-f683555b24f1fba7.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    The localtz YAQL function now returns daylight saving time when daylight
+    saving is actually enabled in the system. Previously it returned daylight
+    saving time if the system time zone has daylight saving time.
diff --git a/yaql/standard_library/date_time.py b/yaql/standard_library/date_time.py
index d13f359..0adc657 100644
--- a/yaql/standard_library/date_time.py
+++ b/yaql/standard_library/date_time.py
@@ -322,7 +322,7 @@ def localtz():
         yaql> localtz().hours
         3.0
     """
-    if python_time.daylight:
+    if python_time.localtime().tm_isdst:
         return TIMESPAN_TYPE(seconds=-python_time.altzone)
     else:
         return TIMESPAN_TYPE(seconds=-python_time.timezone)