diff --git a/include/date/tz_private.h b/include/date/tz_private.h
index 798fcf5..aec01d0 100644
--- a/include/date/tz_private.h
+++ b/include/date/tz_private.h
@@ -95,9 +95,9 @@ private:
         U& operator=(const pair& x);
     } u;
 
-    std::chrono::hours           h_{};
-    std::chrono::minutes         m_{};
-    std::chrono::seconds         s_{};
+    std::chrono::hours           h_{0};
+    std::chrono::minutes         m_{0};
+    std::chrono::seconds         s_{0};
     tz                           zone_{tz::local};
 
 public:
@@ -245,7 +245,7 @@ struct zonelet
     sys_seconds                        until_utc_;
     local_seconds                      until_std_;
     local_seconds                      until_loc_;
-    std::chrono::minutes               initial_save_{};
+    std::chrono::minutes               initial_save_{0};
     std::string                        initial_abbrev_;
     std::pair<const Rule*, date::year> first_rule_{nullptr, date::year::min()};
     std::pair<const Rule*, date::year> last_rule_{nullptr, date::year::max()};