One 31

One HD 31
	Logo used since 2017
Country	Thailand
Broadcast area	Thailand; Malaysia (Perlis, Kedah, Perak, Kelantan and Terengganu); Myanmar (eastern and southern portions); Cambodia (western portion); Laos
Headquarters	GMM Grammy Place, Asok Montri Rd., Watthana, Bangkok, Thailand
Programming
Language(s)	Thai
Picture format	1080i HDTV
Ownership
Owner	GMM Grammy; (One 31 Co., Ltd.)
Sister channels	GMM 25
History
Launched	Satellite system:; 1 December 2011; Terrestrial digital:; 1 April 2014; Satellite and digital:; 2 December 2015
Former names	1-Sky One (1 December 2011-31 March 2012); GMM ONE (2012-2014);
Links
Website	www.one31.net
Availability
Terrestrial
Digital terrestrial television	Channel 31 (HD) (TV5 MUX2)

One 31, fully known as Channel One 31 (Thai: สถานีโทรทัศน์ช่องวัน 31) and branded as One31 or One HD 31, 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 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]

^ "The One Enterprise Group". gmmgrammy.com. GMM Grammy. Retrieved 25 April 2020.
^ "Digital Terrestrial TV Business". grammy.listedcompany.com. GMM Grammy. Retrieved 25 April 2020.
^ "ประวัติบริษัท". one31.net (in Thai). One31. Retrieved 25 April 2020.

[1] "The One Enterprise Group". gmmgrammy.com. GMM Grammy. Retrieved 25 April 2020.

[2] "Digital Terrestrial TV Business". grammy.listedcompany.com. GMM Grammy. Retrieved 25 April 2020.

[3] "ประวัติบริษัท". one31.net (in Thai). One31. Retrieved 25 April 2020.

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