National Institute of Information and Communications Technology
  • facebook
  • x
  • instagram
  • youtube
  • Access
  • Contact us
  • 日本語
  • About NICT
  • 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
    • Cross-field R&D and other business
    • Beyond 5G Research and Development Promotion Unit
    • Terahertz Technology Research Center
    • Quantum ICT Collaboration Center
    • Open Innovation Promotion Headquarters
  • Research Results
  • Open Innovation/IDI
  • International Cooperation
  • Employment Information
  • Publicity

About NICT INDEX

  • Introduction of NICT Board Members
  • Organization
  • NICT Charter
  • Location of NICT Facilities
  • History
  • Advisory Committee
  • NICT video

Research Institute INDEX

  • Radio Research Institute
  • Network Research Institute
  • Cybersecurity Research Institute
  • Universal Communication Research Institute
  • Advanced ICT Research Institute

Cross-field R&D

  • Beyond Connectivity Research and Development Promotion Unit
  • AI Research and Development Promotion Unit
  • Quantum ICT Collaboration Center
  • Resilient ICT Research Center
  • Testbed Research and Development Promotion Center
  • Advanced ICT Device R&D Promotion Center

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
  • Scheduled system maintenance of NICT Website (2026-01-21)
  • Scheduled system maintenance of NICT Website (2026-01-14)
  • No leap second adjustment on July 1, 2026
  • Periodic maintenance of facilities in the LF Standard Time and Frequency Transmission Stations will be performed. (Links to a Japanese page)
  • No leap second adjustment on January 1, 2026
  • No leap second adjustment on July 1, 2025
  • 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

  • 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

Network Research Institute

Cybersecurity Research Institute

Universal Communication Research Institute

Advanced ICT Research Institute

Beyond Connectivity Research and Development Promotion Unit

Quantum ICT Collaboration Center

Resilient ICT Research Center

Testbed Research and Development Promotion Center

Advanced ICT Device R&D Promotion 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
  • Exhibition Room
  • Site policy
  • Contact us
  • Access
  • Sitemap

Copyright © National Institute of Information and Communications Technology. All Rights Reserved.