Paris and Brussels are on the same time. Both cities use Central European Time (CET/CEST, UTC+1/+2). When it's 12:00 PM in Paris, it's also 12:00 PM in Brussels.
Both cities observe daylight saving time on the same schedule, keeping them synchronized year-round.
Any time works! Since both cities share the same time zone, you can call during normal business hours (9:00 AM - 6:00 PM) without any conversion needed.
Paris and Brussels are very close neighbors, connected by high-speed Thalys trains in just 1.5 hours. Brussels is home to EU institutions, while Paris is France's capital. Both share French as an official language.