There is no time difference between Paris and Frankfurt. Both cities use Central European Time (CET/CEST). When it's 12:00 PM in Paris, it's also 12:00 PM in Frankfurt.
Both cities observe daylight saving time on the same schedule, so they remain synchronized year-round.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 6:00 PM) without any time conversion needed.
Paris and Frankfurt are two of Europe's most important financial centers. Frankfurt hosts the European Central Bank, while Paris is a major banking hub. High-speed trains connect the cities in about 4 hours.