GMT to JST Converter
Japan Time (JST) is 8 hours ahead of UK Time (GMT / BST).
Quick Reference
- UK Time
- BST (GMT+1)
GMT starts on Oct 25, 2026
- Japan Time
- JST (GMT+9)
No Daylight Saving Time
Cities in GMT
Cities in JST
Frequently Asked Questions
- What is the difference between GMT and JST?
- JST is 8 hours ahead of GMT.
- How do I convert GMT to JST?
- To convert from GMT to JST, add 8 hours. Use the interactive converter on this page to convert specific times.
- What cities are in GMT and JST?
- Cities in GMT include London, Birmingham, Glasgow, Manchester, Sheffield. Cities in JST include Tokyo, Yokohama, Osaka, Nagoya, Sapporo.