Japan Standard Time Group

Information

Welcome to Japan Standard Time (JST) Group. JST Group plays an important role in the Generation, Comparison, and Dissemination of Japan Standard Time and Frequency standard. Please choose the contents you'd like to use.


News
What's New
What we do
The Information of Standard-time and Frequency-signal Emission (JJY) (The users of radio wave clock see here for more information, please)
Time Dissemination Service (NTP,TEL-JJY,Time Business,calibration)
FAQs and Data

Contact Us

Please contact us if you have any questions, comments, corrections, or suggestions.