diff --git a/changelogs/fragments/945-darwin-timezone-py3.yaml b/changelogs/fragments/945-darwin-timezone-py3.yaml
new file mode 100644
index 0000000000..98725b9454
--- /dev/null
+++ b/changelogs/fragments/945-darwin-timezone-py3.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+- timezone - support Python3 on macos/darwin (https://github.com/ansible-collections/community.general/pull/945).
diff --git a/plugins/modules/system/timezone.py b/plugins/modules/system/timezone.py
index 054cfc4763..d10dd9bb8b 100644
--- a/plugins/modules/system/timezone.py
+++ b/plugins/modules/system/timezone.py
@@ -122,7 +122,7 @@ class Timezone(object):
                     module.fail_json(msg='Adjusting timezone is not supported in Global Zone')
 
             return super(Timezone, SmartOSTimezone).__new__(SmartOSTimezone)
-        elif re.match('^Darwin', platform.platform()):
+        elif platform.system() == 'Darwin':
             return super(Timezone, DarwinTimezone).__new__(DarwinTimezone)
         elif re.match('^(Free|Net|Open)BSD', platform.platform()):
             return super(Timezone, BSDTimezone).__new__(BSDTimezone)