In [SDK 4.3](https://developer.pebble.com/sdk/changelogs/4.3/) you can check if **Quite Time** is active. > Added [quiet_time_is_active](https://developer.pebble.com/docs/c/User_Interface/Preferences/#quiet_time_is_active) to permit C apps to check if Quiet Time is active on a watch. [Here](https://developer.pebble.com/blog/2016/11/23/Announcing-Pebble-SDK-4.3/#it-39-s-oh-so-quiet-ssshhhhhh) is an example. Could you please add this property to show the "mute" icon in the top-left corner (like notifications do): 