Hong Kong is 6-7 hours ahead of Madrid. Madrid uses Central European Time (CET/CEST, UTC+1/+2) while Hong Kong uses Hong Kong Time (HKT, UTC+8). During standard time, Hong Kong is 7 hours ahead; during daylight saving time, Hong Kong is 6 hours ahead.
Hong Kong does not observe daylight saving time, while Spain does, so the difference varies seasonally.
Best calling time: 2:00 AM - 11:00 AM Madrid time. This corresponds to approximately 9:00 AM - 6:00 PM in Hong Kong during daylight saving time. Early morning calls from Madrid work best.
Madrid and Hong Kong are connected through trade, finance, and tourism. Both are major business centers with Spanish companies expanding into Asian markets through Hong Kong.