One 31, fully known as Channel One 31 (Thai: สถานีโทรทัศน์ช่องวัน 31) and branded as One31 or One31 HD, is a Thai digital terrestrial television channel owned by GMM Grammy, under The One Enterprise. The network offers a variety of content such as drama, variety programs, competition, news and entertainment programs.[1][2]

One 31
One 31 Logo.png
Broadcast areaThailand
HeadquartersGMM Grammy Place , Asok Montri Rd., Watthana, Bangkok, Thailand
Picture format1080i HDTV
OwnerOne 31 Co., Ltd.
(under The One Enterprise)
Sister channelsGMM 25
Launched1 December 2011; 10 years ago (2011-12-01)
Former names
  • 1-Sky One (2011)
  • GMM ONE (2012-2014)
  • Channel ONE (2014-2015)
Digital terrestrial televisionChannel 31 (HD) (TV5 MUX2)

One 31 first aired on December 1, 2011 with the name 1-Sky One (วัน-สกาย วัน) with content and television programs produced by companies under GMM Grammy. On April 1, 2012, it changed its name into GMM Z Hitz (จีเอ็มเอ็มแซต ฮิตส์).

On November 1, 2012, the channel changed its name to GMM One. Its current name, One 31 was adopted on December 2, 2015[3]


  1. ^ "The One Enterprise Group". GMM Grammy. Retrieved 25 April 2020.
  2. ^ "Digital Terrestrial TV Business". GMM Grammy. Retrieved 25 April 2020.
  3. ^ "ประวัติบริษัท". (in Thai). One31. Retrieved 25 April 2020.

External linksEdit