Best overlap: 8:00 AM to 10:00 AM in Dublin is 4:00 PM to 6:00 PM in Shenzhen.
Target 8:00 AM to 10:00 AM in Dublin, which lands at 4:00 PM to 6:00 PM for the Shenzhen side. Overlap is at a premium — roughly 2 hours — so claim 8:00 AM in Dublin (4:00 PM in Shenzhen) for recurring calls and keep them on time. Seasonal note: Dublin uses daylight saving and Shenzhen doesn't, so double-check the times in your own months — they can move by an hour.
London to New York is five hours apart, except for the five weeks a year when it isn't. Exact overlap windows for every US zone, the 2026 DST mismatch dates, and where to put the recurring sync. -
24/7 support sounds great until a P1 ticket falls into the gap between Manila signing off and Dublin signing on. Here is how to design a follow-the-sun support model that actually catches tickets at the boundary. -