diff --git a/sdkconfig_comred b/sdkconfig_comred
index 3f1d525..a4f3947 100644
--- a/sdkconfig_comred
+++ b/sdkconfig_comred
@@ -323,7 +323,7 @@ CONFIG_LOG_LOCAL_LEVEL_ASYNC_HTTP=3
 #
 # espchrono Configuration
 #
-# CONFIG_ESPCHRONO_SUPPORT_DEFAULT_TIMEZONE is not set
+CONFIG_ESPCHRONO_SUPPORT_DEFAULT_TIMEZONE=y
 # end of espchrono Configuration
 
 #
diff --git a/sdkconfig_peter b/sdkconfig_peter
index 3f1d525..a4f3947 100644
--- a/sdkconfig_peter
+++ b/sdkconfig_peter
@@ -323,7 +323,7 @@ CONFIG_LOG_LOCAL_LEVEL_ASYNC_HTTP=3
 #
 # espchrono Configuration
 #
-# CONFIG_ESPCHRONO_SUPPORT_DEFAULT_TIMEZONE is not set
+CONFIG_ESPCHRONO_SUPPORT_DEFAULT_TIMEZONE=y
 # end of espchrono Configuration
 
 #