Japan Standard Time Group

• What's New
• Japan Standard Time (JST)
• Transmission Information
• What we do
• JJY
• Time Dissemination Service
• FAQs and Data
• Space-Time Standards Laboratory
  

Information

Server maintenance will be carried out from 18:00-19:00JST on 17th April.

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.

	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.

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