Choose two cities, a date and a time. See both local times and a realistic working-hours overlap — with daylight saving already handled.
The planner looks for a window where both cities are between 09:00 and 17:00 local time.
Pick two cities and press Plan meeting to see both local times and the best overlap.
The planner looks for a window where both cities are within 09:00–17:00 local time. It compares the selected date in City A with the IANA time zone of City B, including daylight saving changes.
Use the result as a starting point. Business hours, public holidays and personal schedules still matter.