London to JST Time — Convert London to Japan Standard Time

JST is currently 8 hours ahead of London.

Full London to JST conversion table

Daylight saving and how the gap changes

Around January the London → JST offset is 9 hours ahead of London. Around July it is 8 hours ahead of London. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is JST ahead of or behind London right now?

JST is currently 8 hours ahead of London.

What is the current London to JST time difference?

Right now the gap is 8 hours ahead — JST is 8 hours ahead of London.

Does the London → JST offset change during the year?

Yes. Around January the offset is 9 hours ahead of London; around July it is 8 hours ahead of London. The converter above always reflects the correct offset for the date you pick.

Does London observe daylight saving time?

Yes — London observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.

Does JST observe daylight saving time?

No — Japan Standard Time stays at a fixed UTC offset year-round.

What time is 9 AM London in JST?

9:00 AM London is 5:00 PM JST.

What time is 12 PM (noon) London in JST?

12:00 PM London is 8:00 PM JST.

What time is 5 PM London in JST?

5:00 PM London is 1:00 AM (next day) JST.

When is the best time to schedule a call between London and JST?

London and JST have no direct 09:00–17:00 overlap on the same calendar day. Consider early-morning or late-evening slots on one side, or an asynchronous handoff.

What time zone does London refer to?

London uses the Europe/London time zone.

What time zone does JST refer to?

JST refers to Japan Standard Time (IANA: Asia/Tokyo).

Related

• Main time converter
• Current time in London
• About JST