Complex sentence: This station operates daily from 5 am to 12 midnight, except on Holy Week each year where it is signs off at midnight of Good Friday and lasts until 5:00 am of Black Saturday.
Split into simpler sentences: This station operates daily from 5 am to 12 midnight. During Holy Week of each year, the station signs off at midnight of Good Friday and returns to the air at 5:00 am of Black Saturday.