Yes, you can find the Turn on as scheduled option in Settings > Display > Splendid. In this option, you can choose From sunset to sunrise or Customized to turn on and off the Bluelight Filter mode.

Note: The operation steps/information in this FAQ may not be applicable to all types/series of Zenfone product. Some on-screen options in the screenshots and operating procedures may slightly vary, depending on the software and firmware version.