Philips 47PFL5604H User Manual page 102

4.2.8 Clock settings
In some countries, digital TV broadcasts do not send UTC
— Coordinated Universal Time information. Therefore,
winter and summer time changes might be ignored. You
can correct this with the clock settings.
If the TV shows the incorrect time, press h > Setup >
Installation > Clock > Auto clock mode and select Manual.
In the Daylight saving menu, select Standard time (winter)
or Daylight saving time (summer) according to your local
time.