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    • Radio Research Institute
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    • Data-driven Intelligent System Research Center
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    • Kobe Frontier Research Center
    • Koganei Frontier Research Center
    • Center for Information and Neural Networks
    • Cross-field R&D and other business
    • Beyond 5G Research and Development Promotion Unit
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About NICT INDEX

  • Greeting from the President
  • Introduction of NICT Board Members
  • Organization
  • NICT Charter
  • Location of NICT Facilities
  • History
  • Advisory Committee
  • NICT video

Research Institute INDEX

  • Radio Research Institute
    • Radio Propagation Research Center
    • Remote Sensing Laboratory
    • Space Environment Laboratory
    • Electromagnetic Standards Research Center
    • Electromagnetic Compatibility Laboratory
    • Space-Time Standards Laboratory
    • Applied Electromagnetic Research Center
    • Digital Optics Laboratory
  • Network Research Institute
    • Advanced ICT Device Laboratory
    • Network Architecture Laboratory
    • Photonic ICT Research Center
    • Wireless Networks Research Center
    • Resilient ICT Research Center
  • Cybersecurity Research Institute
    • Cybersecurity Laboratory
    • Security Fundamentals Laboratory
    • Cybersecurity Nexus
    • National Cyber Training Center
    • National Cyber Observation Center
  • Universal Communication Research Institute
    • Advanced Reality Technology Laboratory
    • Advanced Speech Translation Research and Development Promotion Center
    • Data-driven Intelligent System Research Center
    • Big Data Integration Research Center
  • Advanced ICT Research Institute
    • Kobe Frontier Research Center
    • Superconductive ICT Device Laborator
    • Nano-scale Functional Assembly ICT Laboratory
    • Bio-ICT Laboratory(Protein Biophysics Project)
    • Bio-ICT Laboratory(Cell Biology Project)
    • Neuro-ICT Laboratory(Neuro-network Evolution Project)
    • Neuro-ICT Laboratory(Memory Neurobiology Project)
    • DUV ICT Device Laboratory
    • Koganei Frontier Research Center
    • Quantum ICT Laboratory
    • Quantum ICT Laboratory(Macroscopic Quantum Physics Project)
    • Terahertz ICT Device Laboratory
    • Green ICT Device Laboratory
    • Center for Information and Neural Networks

Cross-field R&D

  • Beyond 5G Research and Development Promotion Unit
    • Beyond 5G Design Initiative
    • Terahertz Technology Research Center
  • Quantum ICT Collaboration Center
    • Quantum ICT Design Initiative

Research Results INDEX

  • Introduction of NICT (NICT Video)
  • List of published papers
  • Promotion of Standardization Activity
  • Publicaions
  • Services and Applications available

Open Innovation INDEX

  • Open Innovation

Innovation Design Initiative (IDI) INDEX

  • Innovation Design Initiative (IDI)
  • Whitepaper

International Cooperation INDEX

  • ASEAN IVO(ICT Virtual Organization of ASEAN Institutes and NICT(ASEAN IVO)

Employment Information

Researcher and Research Engineer

  • Recruitment Website for Researcher and Research Engineer Positions
  • Positions list (Researcher and Research Engineer)
  • Fixed Term Researcher and Research Assistant
  • Fixed Term Research Engineer
  • Focused Areas of Research and Development

Fixed Term Administrative Specialist

  • Fixed Term Administrative Specialist

Publicity INDEX

  • Latest News
  • Press Release
  • Topics
  • Events
  • Publications
  • Pamphlet
  • Youtube NICT channel
  • Whitepapers
  • Home
  • Space-Time Standards Laboratory
  • Operating Status of Japan Standard Time and Standard Radio Signals
  • Telephone JJY service information archive
  • The Time Dissemination by Telephone(TEL-JJY) ended on March 31, 2024
Japan Standard Time announcement archive
  • Japan Standard Time announcement archive
  • Announcement: Suspended broadcast of standard radio signals from Hagane-yama transmission station due to antenna construction
  • Announcement: Suspended broadcast of standard radio signals from Hagane-yama transmission station due to antenna line inspection
  • Notice of simultaneous outage at both standard radio signal stations
  • Periodic maintenance of facilities in the LF Standard Time and Frequency Transmission Stations will be performed as informed.(Links to the Japanese page)
  • No leap second adjustment on January 1, 2025
  • The Time Dissemination by Telephone(TEL-JJY) ended on March 31, 2024
  • No leap second adjustment on July 1, 2024
  • Information about the temporary outages of transmission at Hagane-yama LF Standard Time and Frequency Transmission Station due to the renewal of airplane warning lights.(Links to the Japanese page)
  • Periodic maintenance of facilities in the LF Standard Time and Frequency Transmission Stations will be performed as informed.(Links to the Japanese page)
  • No leap second adjustment on January 1, 2024
  • Telephone JJY service will be discontinued end of March 2024
  • No leap second adjustment on July 1, 2023
  • No leap second adjustment on January 1, 2023
  • NTP service trial started in Kobe
  • Telephone JJY service will be discontinued end of March 2024
  • 日本語
  • Print this page

The Time Dissemination by Telephone(TEL-JJY) ended on March 31, 2024

April 1, 2024

About NICT

  • Greeting from the President
  • Introduction of NICT Board Members
  • Organization
  • NICT Charter
  • Location of NICT Facilities
  • History
  • Advisory Committee
  • NICT video
  • NICT Brand Statement

Research Results

  • Introduction of NICT (NICT Video)
  • List of published papers
  • Promotion of Standardization Activity
  • Publicaions
  • Services and Applications available

Research

Radio Research Institute

  • Radio Propagation Research Center
  • Electromagnetic Standards Research Center
  • Applied Electromagnetic Research Center

Network Research Institute

  • Photonic ICT Research Center
  • Wireless Networks Research Center
  • Resilient ICT Research Center

Cybersecurity Research Institute

  • Cybersecurity Nexus
  • National Cyber Training Center
  • National Cyber Observation Center

Universal Communication Research Institute

  • Advanced Speech Translation Research and Development Promotion Center
  • Data-driven Intelligent System Research Center
  • Big Data Integration Research Center

Advanced ICT Research Institute

  • Kobe Frontier Research Center
  • Koganei Frontier Research Center
  • Center for Information and Neural Networks

Beyond 5G Research and Development Promotion Unit

  • Terahertz Technology Research Center

Quantum ICT Collaboration Center

Open Innovation

Innovation Design Initiative (IDI)

  • Whitepaper

Employment Information

Researcher and Research Engineer

Fixed Term Administrative Specialist

Publicity

  • Latest News
  • Press Release
  • Topics
  • Events
  • Publications
  • Pamphlet
  • Youtube NICT channel
  • Site policy
  • Contact us
  • Access
  • Sitemap

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