Tokyo, Japan is 14 hours ahead of Boston, Massachusetts.

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Current time

  Boston, Massachusetts   5:46 PM on Friday, Dec 19, 2014

  Tokyo, Japan   7:46 AM on Saturday, Dec 20, 2014

Map from Boston, MA to Tokyo, Japan

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find a flight to Tokyo, Japan

Meeting planner for Boston, Massachusetts and Tokyo, Japan

Unfortunately, there aren't any times that overlap between your normal working hours and theirs. The best we can do with the meeting planner is to expand the range to cover from 7:00 AM to 7:00 PM your time (Boston, MA).

To schedule a conference call or plan a meeting at the best time for both parties, you should try between 5:00 PM and 7:00 PM your time in Boston, MA. That will end up being between 7:00 AM and 9:00 AM in Tokyo, Japan. The chart on the right shows overlapping times.

Schedule a phone call from Boston, MA to Tokyo, Japan

If you live in Boston, MA and you want to call a friend in Tokyo, Japan, you can try calling them between 5:00 PM and 9:00 AM your time. This will be between 7AM - 11PM their time, since Tokyo, Japan is 14 hours ahead of Boston, Massachusetts.

If you're available any time, but you want to reach someone in Tokyo, Japan at work, you may want to try between 7:00 PM and 3:00 AM your time. This is the best time to reach them from 9AM - 5PM during normal working hours.


UTC-5 hours     UTC+9 hours
Boston, MA     Tokyo, Japan
5:00 PM     7:00 AM
5:30 PM     7:30 AM
6:00 PM     8:00 AM
6:30 PM     8:30 AM
7:00 PM     9:00 AM

Boston, Massachusetts

City: Boston
State: Massachusetts
Country: United States
Category: cities
Time zone: US/Eastern (UTC/GMT -5 hours)

Tokyo, Japan

City: Tokyo
Country: Japan
Category: cities
Time zone: Asia/Tokyo (UTC/GMT +9 hours)

Time difference

Travelmath provides an online time zone converter for places all over the world. You can enter airports, cities, states, countries, or zip codes to find the time difference between any two locations. The calculator will automatically adjust for daylight saving time (DST) in the summer. You can use it as a meeting planner or a scheduler to find the best time to make international phone calls. World time zones have a positive or negative offset computed from Coordinated Universal Time (UTC), or Greenwich Mean Time (GMT). UTC has uniform seconds defined by International Atomic Time (TAI), with leap seconds announced at irregular intervals to compensate for the Earth's slowing rotation. The tz database or zoneinfo database uses the closest city, rather than the more common Eastern, Central, Mountain or Pacific time zones in the United States. Countries often change their daylight saving rules, so please help us stay current by letting us know if you find any pages that need updates.