New York → Tokyo time converter
Compare Eastern Time (America/New_York) with Japan Standard Time (Asia/Tokyo) — accurate offsets, DST checks, and planning helpers.
Set origin and destination
Enter "New York", "NYC", or "America/New_York" as the origin and add "Tokyo", "TYO", or "Asia/Tokyo" as the destination. The field accepts city names, IATA/abbrev forms and IANA identifiers.
Live mode or custom timestamps
Flip Live to see real-time clocks or choose Custom to audition future meeting times. The tool applies each zone’s offset and DST rules automatically.
Format, check DST & share
Pick one of 13+ formats (12h, 24h, ISO, custom), run the DST Checker on the New York card, then copy or share a link to lock the exact UTC-backed timestamps for invitees.
Why this converter helps
- One origin → many destinations Start with New York and add Tokyo plus additional cities to compare multiple participant clocks in a single, scannable view.
- Readable time segments Destination cards include intuitive segments (Morning, Work AM, Lunch, Evening, Night) so you can instantly spot practical meeting windows across the 13–14 hour gap.
- Jet Lag Planner & travel hints Built-in planner recommends sleep and nap windows for eastbound and westbound travel, helping you pick arrival and in-flight sleep strategies for NY ↔ Tokyo routes.
- Action buttons on each card Swap, Copy, Jet Lag Planner and DST Checker are available per destination. Common controls include Undo, Redo, Reset and Share Link to preserve your configuration.
- DST-aware conversions The converter uses IANA timezone rules: America/New_York toggles between UTC−05:00 and UTC−04:00, while Asia/Tokyo stays at UTC+09:00 year-round — the tool highlights any date-based shifts.
Scheduling tips & context
Remember the numeric gap
Tokyo is typically 14 hours ahead of New York (UTC+9 vs UTC−5). When New York is on daylight saving time the gap narrows to 13 hours — always confirm with the DST Checker for recurring meetings.
Best windows for live calls
Target New York early morning (07:00–09:00 ET) which maps to Tokyo evening (20:00–22:00 JST during standard time). This keeps calls within conventional waking hours for both sides.
Avoid date confusion
Because Tokyo is ahead, many Tokyo-side evenings map to the previous day (or earlier same day) in New York. The converter shows absolute UTC timestamps to remove ambiguity when sharing invites.
Scheduling recurring meetings
If you schedule by local New York time, DST transitions will shift the Tokyo local time by an hour. Use the Share Link with UTC timestamps if you want a recurrence that doesn’t move relative to UTC.
Small historical aside
Japan standardized on JST long ago and has not used DST since the early 1950s — that stability makes long-term planning easier on the Tokyo side.
Frequently asked questions
How many hours ahead is Tokyo compared to New York?
Tokyo is 14 hours ahead of New York when New York is on standard time (EST, UTC−05:00), and 13 hours ahead when New York observes daylight saving time (EDT, UTC−04:00). Use the DST Checker to confirm for specific dates.
Does Tokyo ever observe daylight saving time?
No — Japan (Asia/Tokyo) remains on Japan Standard Time (UTC+09:00) year-round and does not use daylight saving time.
Will a recurring calendar invite shift times for Tokyo participants?
Yes — if you create a recurring invite by local New York time, Tokyo participants may see a one-hour shift during New York’s DST transitions. Sharing the UTC timestamp avoids this ambiguity.
Can I enter IANA codes or abbreviations?
Yes — the tool accepts city names (New York), abbreviations (NYC, TYO), and IANA identifiers (America/New_York, Asia/Tokyo) for precise conversions.
Which meeting times usually work best for teams split between NY and Tokyo?
Commonly used windows are New York morning (07:00–09:00 ET) → Tokyo evening (20:00–22:00 JST) or New York late night (22:00–23:00 ET) → Tokyo midday (11:00–12:00 JST) depending on participant flexibility. Test candidates in Custom mode.
North American Cross-Continental
How the converter works
- Enter origin: "New York", "NYC", or "America/New_York". Add destination: "Tokyo", "TYO", or "Asia/Tokyo".
- The converter looks up IANA offsets and applies DST rules where relevant: America/New_York uses UTC−05:00 (EST) / UTC−04:00 (EDT); Asia/Tokyo is UTC+09:00 with no DST.
- Choose Live to watch real-time clocks or Custom to test a specific timestamp. Outputs are shown in 13+ formats (12h, 24h, ISO, custom).
- Use per-card actions — Swap, Copy, Jet Lag Planner, DST Checker — and the global controls (Undo, Redo, Reset, Share Link) to lock or share exact UTC timestamps with invitees.
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