Best overlap: 8:00 AM to 11:00 AM in Madrid is 3:00 PM to 6:00 PM in Tokyo.
Plan around 8:00 AM to 11:00 AM in Madrid, which is 3:00 PM to 6:00 PM in Tokyo, to catch everyone during office hours. A 3-hour overlap gives you a workable daily window; aim for earlier in it to avoid clipping the end of someone's day. Daylight saving complicates things slightly: Madrid observes it, Tokyo doesn't, so the difference flexes by an hour part of the year.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Madrid Europe/Madrid | ||||||||||||||||||||||||
Tokyo Asia/Tokyo |
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