Tokyo operates on Japan Standard Time (JST, UTC+9) year-round with no daylight saving, making it one of the most stable time references in Asia.
As the world's largest metropolitan economy, Tokyo's business hours overlap with Seoul (KST) and Shanghai (CST). The best window for European meetings is 2–5 PM JST (6–9 AM London).
❓ Frequently Asked Questions about Tokyo Time
Does Japan observe daylight saving time?
No. Japan does not observe DST. JST (UTC+9) is used year-round.
What is the time difference between Tokyo and New York?
Tokyo is 13 hours ahead of New York during EDT (UTC-4), and 14 hours ahead during EST (UTC-5).
What is the time difference between Tokyo and London?
Tokyo is 8 hours ahead of London during BST (UTC+1), and 9 hours ahead during GMT (UTC+0).
What is the best time to call Tokyo from Europe?
The most practical overlap is 2:00 PM - 5:00 PM Tokyo = 6:00 AM - 9:00 AM London (BST).
What is JST?
JST stands for Japan Standard Time (UTC+9), shared with South Korea and parts of eastern Russia.