From
JST
Time Converter
JST to UTC Time Converter
Convert Japan Time to UTC with a live clock and clean permalinks.
To
UTC
When it is 7:30 AM in Japan Time, it is 10:30 PM in UTC.
JST to UTC at a glance
UTC is 9 hours behind Japan Time. If someone gives you a time in Japan Time, move the clock by 9 hours to read it in UTC. A 9:00 AM start in Tokyo becomes 12:00 AM in London.
What Japan Time covers
Japan Time is used throughout Japan. Tokyo follows it year-round without daylight saving changes. It is helpful for manufacturing, gaming, and business coordination with Japan-based teams.
What UTC covers
UTC is the global reference clock used to compare time zones around the world. It does not change for daylight saving time. It is the safest format for international schedules, APIs, databases, and server logs.
Quick answers
What is the time difference between JST and UTC?
UTC is 9 hours behind Japan Time.
What happens to a 3:00 PM meeting in JST?
It lands at 6:00 AM in UTC.
Does daylight saving time matter for JST to UTC?
Japan Time and UTC are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.