Shizuoka Daiichi Television
Shizuoka Daiichi Television is a Japanese commercial television station serving Shizuoka Prefecture as an affiliate of Nippon News Network and Nippon Television Network System.
Last updated August 24, 2026
Overview
Shizuoka Daiichi Television, commonly abbreviated as SDT, is a commercial television broadcaster based in Shizuoka Prefecture, Japan. The station serves viewers across the prefecture and operates within Japan's regional network-affiliate broadcasting model. It is affiliated with Nippon News Network (NNN) for news programming and Nippon Television Network System (NNS) for general programming, linking it to the broader Nippon Television network while retaining a local identity and responsibility for prefecture-focused coverage. The station began broadcasting in 1979, making it one of the later commercial television entrants in Shizuoka's regional market. Its role combines the distribution of network programming with the production and presentation of local news, information, weather, community reporting, and other programming relevant to residents of Shizuoka. As with other Japanese regional commercial stations, its brand presence is expressed through its terrestrial television service, locally produced programs, on-air announcements, news reporting, and digital properties rather than through a broad range of consumer products. SDT's programming includes network-supplied entertainment, drama, sports, and news content, supplemented by locally oriented output. One identified local program is Marugoto, an afternoon information program scheduled from 16:53 to 17:53 Japan Standard Time. Such programming gives the station a direct connection to local audiences and provides a platform for coverage of regional events, businesses, culture, public issues, and everyday life. The station's principal market is Shizuoka Prefecture, including the prefectural capital and surrounding communities. Its competitive environment consists of other commercial television broadcasters serving the same prefecture, together with Japan's public broadcaster, NHK. SDT's differentiation rests on the combination of a national network relationship and locally tailored programming. The available reference material does not identify a separate listed ticker, a current parent company, a named founder, or specific current and former executives. Its official website is operated at tv-sdt.co.jp.
History
Shizuoka Daiichi Television was established as a regional commercial television broadcaster in Shizuoka Prefecture and commenced broadcasting in 1979. Its creation expanded the prefecture's commercial television landscape and established a station intended to serve local viewers while participating in Japan's national network system. From the beginning, the station's operating model was based on affiliation with Nippon Television. Through Nippon News Network, SDT receives and distributes national news content, while its Nippon Television Network System affiliation supports the carriage of wider network programming. This arrangement allows the station to combine the resources and reach of a major Tokyo-based network with programming and reporting focused on Shizuoka. The station's local role includes reporting on prefectural politics, weather, disasters, transportation, business, culture, sports, and community affairs. It also carries information-oriented programming designed around the daily needs and interests of viewers in the region. Marugoto is identified as one such program, occupying an afternoon time slot and representing the station's local information function. SDT operates in a competitive regional broadcasting market alongside other commercial stations and NHK services. Its brand is therefore built less around a portfolio of physical products than around reliable local coverage, recognizable presenters and programs, network entertainment, and continuous television service. The available reference sources provide limited detail about later corporate ownership, leadership changes, major campaigns, financial performance, or controversies. Accordingly, no unsupported ownership, executive, financial, or scandal claims are included here.
- 1979Broadcasting begins
Shizuoka Daiichi Television begins commercial television broadcasting in Shizuoka Prefecture, Japan.
- Network affiliations established
The station operates as an affiliate of Nippon News Network for news and Nippon Television Network System for general programming.
Products and positioning
A regional commercial television broadcaster combining Nippon Television network programming with locally produced news and information for audiences in Shizuoka Prefecture.
Terrestrial television broadcastingBroadcast media1979
SDT's core service is commercial terrestrial television for Shizuoka Prefecture. It combines locally produced output with programming supplied through the Nippon Television network system, including news, entertainment, drama, and sports. The service is intended for a regional audience and is supported by advertising and broadcaster operations typical of Japan's commercial television sector.
MarugotoLocal information program
Marugoto is an afternoon information program associated with Shizuoka Daiichi Television. The listed broadcast slot is 16:53 to 17:53 Japan Standard Time. The program represents SDT's local-content role by providing an information-oriented format for viewers in Shizuoka, although the available reference does not provide a detailed account of its launch history, presenters, or individual segments.
Flagship businesses
- Marugoto
- Local Shizuoka news coverage
- Nippon Television Network System programming
- Nippon News Network news programming
Sources
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