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WorldClockTools.

Time, simplified

Herramientas

  • Reloj Mundial
  • Convertidor de Zona Horaria
  • Timezone Reference
  • Watchlist
  • Planificador de Reuniones
  • Temporizador
  • Cronómetro
  • Date Calculators
  • Exact Time
  • Countdowns
  • Market Hours
  • Browse pages
  • Clock Widgets
  • Find meeting time
  • Recurring drift
  • Time until…
  • DST calendar
  • Cron translator
  • Status-page widget
  • Embed gallery
  • Eclipse calendar
  • DST pair drift
  • Travel brief
  • Public Holidays
  • Airports

Regions

  • Americas
  • Europe
  • Asia
  • Africa
  • Oceania

Popular Cities

  • New York
  • São Paulo
  • Mexico City
  • London
  • Paris
  • Berlin
  • Tokyo
  • Shanghai
  • Mumbai
  • Lagos

Convertidores

  • EST to PST
  • PST to IST
  • GMT to EST
  • CET to EST
  • IST to GMT

Hubs

  • City Compare
  • Business overlap
  • Market Hours
  • Open now
  • Countdowns
  • Browse hub
  • Tools hub
  • Airport indexes

© 2026 WorldClockTools. Todos los derechos reservados.

Datos de ciudades por GeoNames (CC BY 4.0). Datos de zonas horarias de la Base de Datos de Zonas Horarias de IANA.

  1. WorldClockTools
  2. Travel brief

Travel brief

Plan your trip

One page that combines the jet-lag planner, sunrise/sunset math, holiday calendar, and first-meeting body-time conversion — built from the same engines that power our individual tools, run on the trip you describe.

New York → Tokyo

Timezone gap

+13.0h

travelling eastward

Jet-lag severity

severe

based on hours crossed

Trip length

5 days

from 2026-05-01

First-meeting note: A 9am meeting at the destination is roughly 20:00 the night before in body time. Plan to be in bed early on arrival.

Public holidays during your trip (3)

  • 2026-05-04Constitution Memorial Day
  • 2026-05-04Greenery Day
  • 2026-05-05Children's Day

Banks, government offices, and many businesses may be closed. Plan meetings and business calls accordingly.

Day-by-day plan
  1. 12026-05-010.0h daylight

    Arrival day. Avoid napping after 4pm local. Get morning sunlight tomorrow — it shifts your clock earlier.

  2. 22026-05-020.0h daylight

    Get bright light from sunrise to mid-morning. Avoid bright light in the evening. Caffeine before noon only.

  3. 32026-05-030.0h daylight

    Day 3: continue light-timing protocol. Daylight today ≈ 0.0h.

  4. 42026-05-040.0h daylight

    Day 4: continue light-timing protocol. Daylight today ≈ 0.0h.

  5. 52026-05-050.0h daylight

    Day 5: should be fully adjusted. Resume normal routine.

Recommendations are based on the standard light-and-sleep protocol used in clinical jet-lag research. For more depth, see the dedicated jet-lag planner. Daylight hours come from the NOAA solar approximation used on /sun/[city]. Holidays from our curated public-holiday catalog.