Best overlap: 8:00 AM to 1:00 PM in Boston is 1:00 PM to 6:00 PM in Reykjavik.
Plan around 8:00 AM to 1:00 PM in Boston, which is 1:00 PM to 6:00 PM in Reykjavik, to catch everyone during office hours. Reykjavik is 5 hours ahead of Boston, so the practical overlap is about 5 hours — generous enough for meetings, tight enough to be worth booking ahead. For part of the year the maths changes: Boston observes daylight saving, Reykjavik does not, shifting the overlap by an hour.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Boston America/New York | ||||||||||||||||||||||||
Reykjavik Atlantic/Reykjavik |
Long-distance relationships, parents working overseas, grandkids in Auckland and grandparents in London. The work guides do not really apply. Here is a practical playbook for keeping family relationships strong across time zones. -