Tokyo to New York Time Converter
New York is 14 hours behind Tokyo (JST). During US daylight saving (EDT), the gap narrows to 13 hours.
Daylight saving note: Japan never observes DST. During US EDT (March–November), the gap narrows from 14h to 13h.
JST to ET Conversion Table
Full 24-hour reference table. Use the live clocks above for the exact current offset.
| 🇯🇵 JST | 🇺🇸 JST → ETUTC+9 to UTC-5 | 🇺🇸 JST → EDTUTC+9 to UTC-4 | Note |
|---|---|---|---|
| 00:00 | 10:00 AM | 11:00 AM | prev day |
| 01:00 | 11:00 AM | 12:00 PM | prev day |
| 02:00 | 12:00 PM | 1:00 PM | prev day |
| 03:00 | 1:00 PM | 2:00 PM | prev day |
| 04:00 | 2:00 PM | 3:00 PM | prev day |
| 05:00 | 3:00 PM | 4:00 PM | prev day |
| 06:00 | 4:00 PM | 5:00 PM | prev day |
| 07:00 | 5:00 PM | 6:00 PM | prev day |
| 08:00 | 6:00 PM | 7:00 PM | prev day |
| 09:00 | 7:00 PM | 8:00 PM | prev day |
| 10:00 | 8:00 PM | 9:00 PM | prev day |
| 11:00 | 9:00 PM | 10:00 PM | prev day |
| 12:00 | 10:00 PM | 11:00 PM | prev day |
| 13:00 | 11:00 PM | 12:00 AM | prev day |
| 14:00 | 12:00 AM | 1:00 AM | |
| 15:00 | 1:00 AM | 2:00 AM | |
| 16:00 | 2:00 AM | 3:00 AM | |
| 17:00 | 3:00 AM | 4:00 AM | |
| 18:00 | 4:00 AM | 5:00 AM | |
| 19:00 | 5:00 AM | 6:00 AM | |
| 20:00 | 6:00 AM | 7:00 AM | |
| 21:00 | 7:00 AM | 8:00 AM | |
| 22:00 | 8:00 AM | 9:00 AM | |
| 23:00 | 9:00 AM | 10:00 AM |
"prev day" = converted time falls on the previous calendar day.
Best Hours to Schedule Tokyo–New York Calls
The Tokyo–New York overlap window requires extreme scheduling compromises. Tokyo's 7:00–8:00 AM JST window maps to 5:00–6:00 PM prior-day New York (EST) — New York's late afternoon. This edge-of-business slot is the only realistic option for a live call; daily work otherwise needs to happen asynchronously.
About Tokyo (JST)
Tokyo (JST, UTC+9) leads New York by 14 hours in winter (EST) and 13 hours in summer (EDT), since Japan does not observe daylight saving. With almost no shared business hours, most coordination has to be either async or at the very edge of one side's day.
About New York (ET)
New York (EST/EDT) is 14 hours behind Tokyo. When New York's market opens at 9:30 AM EST, it is 11:30 PM in Tokyo — late night. The Tokyo Stock Exchange (TSE) closes at 3:30 PM JST (1:30 AM New York) before New York even wakes up. The two financial markets have no overlapping session hours.
How to Avoid Tokyo–New York Conversion Mistakes
New York is still on the previous calendar day before these JST times: 2:00 PM for JST → ET, 1:00 PM for JST → EDT. For example, 12:00 AM JST is 10:00 AM in New York on the previous day (JST → ET).
Abbreviations can be ambiguous here: Tokyo stays on JST year-round, while New York switches between ET and EDT. City names and IANA time zones (Asia/Tokyo and America/New_York) are safer for exact scheduling if you're automating anything, since they resolve the right abbreviation automatically instead of needing a manual seasonal check.
Worked Example: A Late Tokyo Call That Reaches a New York Morning
If you're in Tokyo and need a New York morning, you'll be working late. A 10:00 PM start in Tokyo is 8:00 AM in New York on EST and 9:00 AM on EDT. Both are the same calendar day.
The reverse is where the date confuses people. A 9:00 AM start in Tokyo is 7:00 PM the previous day in New York on EST and 8:00 PM the previous day on EDT, and it's the day before. So a Tuesday morning call in Tokyo is a Monday evening call in New York.
Tokyo doesn't change its clocks, so the one-hour swing is entirely from New York. Check the date for any meeting in the weeks around the second Sunday in March and the first Sunday in November. Going the other way, a 9:00 AM start in New York is 11:00 PM in Tokyo on EST.
Frequently Asked Questions
How many hours behind is New York from Tokyo?
New York (EST, UTC-5) is 14 hours behind Tokyo (JST, UTC+9). During US EDT (March–November), the gap is 13 hours. Japan does not observe daylight saving.
What time is 9 AM Tokyo in New York?
9:00 AM Tokyo (JST) is 7:00 PM the previous evening in New York (EST). During US EDT, 9:00 AM Tokyo is 8:00 PM prior evening New York.
What is the best Tokyo–New York meeting time from Tokyo?
Tokyo's 7:00–8:00 AM JST = 5:00–6:00 PM prior-day New York (EST). This is the only viable real-time window — early Tokyo morning / late New York afternoon — with async communication covering the rest of the day.
Does Japan observe daylight saving time?
No. Japan abolished DST in 1952. JST is fixed at UTC+9 year-round. The Tokyo-New York gap changes only when the US shifts clocks in spring and autumn.