television started broadcasting 24 hours a day in 1965.
when did television started broadcasting 24 hours a day?
1965
on 1 may 1978, peking television was renamed china central television (cctv) with the approval of the central committee of the communist party of china. cctv began domestic satellite transmissions in 1984 using the song dang hong 2 satellite. in 1988, it began stereo broadcasting on all television channels. in 1994, it moved satellite broadcasting from chinasat-3 to chinasat-4, a quality-level broadcaster. it turned on its digital signal in 2002. cctv-1 began broadcasting 24 hours a day on 1 october 2004 and began high-definition broadcasting on 28 september 2009. on 1 march 2011, hong kong's asia television (atv) started relaying cctv-1 instead of cctv-4, a hong kong-based free-to-air digital terrestrial station that is usually tuned to 15 on the uhf band. on 1 march 2011, hong kong's asia television (atv) started relaying cctv-1 instead of cctv-4, a hong kong-based free-to-air digital terrestrial station that is usually tuned to 15 on the uhf band. on 29 may 2017, hong kong's rthk started relaying cctv-1 instead of cgtn documentary, a hong kong-based free-to-air digital terrestrial station that is usually tuned to 33 on the high-definition television.
cctv-1
on 1 november 1977, the network started broadcasting 24-hours of colour transmissions. on 1 february 1980, rts was renamed as singapore broadcasting corporation (sbc). it officially started broadcasting in stereo on 1 august 1990. channel 5 officially revamp the channel logo for a new look to first channel in singapore and became the full english channel on 1 january 1994.









































channel 5 officially began broadcasting 24-hours a day on 25 september 1995.
channel 5 (singapore)