New York to Tokyo Time Converter
Tokyo is 14 hours ahead of New York (EST). During US daylight saving (EDT), the gap is 13 hours. Japan never changes its clocks.
Daylight saving note: Japan never observes DST. During US EDT (March–November), the gap narrows from 14h to 13h.
ET to JST Conversion Table
Full 24-hour reference table. Use the live clocks above for the exact current offset.
| 🇺🇸 ET | 🇯🇵 ET → JSTUTC-5 to UTC+9 | 🇯🇵 EDT → JSTUTC-4 to UTC+9 | Note |
|---|---|---|---|
| 00:00 | 2:00 PM | 1:00 PM | |
| 01:00 | 3:00 PM | 2:00 PM | |
| 02:00 | 4:00 PM | 3:00 PM | |
| 03:00 | 5:00 PM | 4:00 PM | |
| 04:00 | 6:00 PM | 5:00 PM | |
| 05:00 | 7:00 PM | 6:00 PM | |
| 06:00 | 8:00 PM | 7:00 PM | |
| 07:00 | 9:00 PM | 8:00 PM | |
| 08:00 | 10:00 PM | 9:00 PM | |
| 09:00 | 11:00 PM | 10:00 PM | |
| 10:00 | 12:00 AM | 11:00 PM | next day |
| 11:00 | 1:00 AM | 12:00 AM | next day |
| 12:00 | 2:00 AM | 1:00 AM | next day |
| 13:00 | 3:00 AM | 2:00 AM | next day |
| 14:00 | 4:00 AM | 3:00 AM | next day |
| 15:00 | 5:00 AM | 4:00 AM | next day |
| 16:00 | 6:00 AM | 5:00 AM | next day |
| 17:00 | 7:00 AM | 6:00 AM | next day |
| 18:00 | 8:00 AM | 7:00 AM | next day |
| 19:00 | 9:00 AM | 8:00 AM | next day |
| 20:00 | 10:00 AM | 9:00 AM | next day |
| 21:00 | 11:00 AM | 10:00 AM | next day |
| 22:00 | 12:00 PM | 11:00 AM | next day |
| 23:00 | 1:00 PM | 12:00 PM | next day |
* "next day" = converted time falls on the following calendar day.
Best Hours to Schedule New York–Tokyo Calls
New York and Tokyo have almost no synchronous working hours overlap. Tokyo's business day (9 AM–6 PM JST) corresponds to 7:00 PM–4:00 AM New York (EST). The only viable live call window is very early Tokyo morning (7–8 AM JST = 5–6 PM prior day EST) or very late New York evening.
About New York (ET)
New York (Eastern Time) is home to the NYSE, which opens at 9:30 AM ET. The Tokyo Stock Exchange (TSE) opens at 9:00 AM JST — which is 7:00 PM EST the prior evening in New York. The two markets' trading sessions do not overlap at all.
About Tokyo (JST)
Tokyo (Japan Standard Time, JST, UTC+9) is fixed year-round — Japan has not observed daylight saving since 1952. This makes JST predictable: the New York–Tokyo gap is always exactly 14h (EST) or 13h (EDT).
How to Avoid New York–Tokyo Conversion Mistakes
Tokyo is already on the next calendar day from these ET times onward: 10:00 AM for ET → JST, 11:00 AM for EDT → JST. For example, 11:00 PM ET is 1:00 PM in Tokyo on the next day (ET → JST).
Abbreviations can be ambiguous here: New York switches between ET and EDT across the year, while Tokyo stays on JST year-round. City names and IANA time zones (America/New_York and Asia/Tokyo) 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 New York Evening Call, Tokyo Morning
The easiest slot is the New York evening. A 7:00 PM start in New York is 9:00 AM the next day in Tokyo in winter and 8:00 AM the next day in summer. At 8:00 PM New York time it's 10:00 AM the next day on EST and 9:00 AM the next day on EDT.
In both cases the Tokyo date is one day later. If your call is Monday evening in New York, it's Tuesday morning in Tokyo. Include both dates in the invite title ("Mon 7:00 PM ET / Tue morning JST") so nobody joins a day early or late.
Tokyo doesn't change its clocks. The one-hour difference between the two results is entirely New York's daylight saving. Going the other way, 9:00 AM in Tokyo is 7:00 PM the previous day in New York on EST and 8:00 PM the previous day on EDT, always the day before.
Frequently Asked Questions
How many hours ahead is Tokyo from New York?
Tokyo (JST, UTC+9) is 14 hours ahead of New York (EST, UTC-5). During US EDT (March–November), the gap is 13 hours. Japan does not observe daylight saving.
What time is 9 AM New York in Tokyo?
9:00 AM New York (EST) is 11:00 PM Tokyo (JST) the same evening. During US EDT, 9:00 AM is 10:00 PM Tokyo.
Is there any working hours overlap between New York and Tokyo?
Almost none. Tokyo business hours (9 AM–6 PM JST) correspond to 7 PM–4 AM New York (EST). The best real-time meeting slot is 7:00 AM Tokyo / 5:00 PM prior-day New York — both at the edge of normal hours.
Does Japan observe daylight saving time?
No. Japan abolished DST in 1952. JST is fixed at UTC+9 year-round. The New York–Tokyo gap changes only when the US shifts its clocks in March and November.