Design Google Calendar

Design Google Calendar: users create events and view their schedule across day / week / month / year ranges. The core challenges are fast retrieval for the different calendar views and near-real-time propagation of updates across devices. Google Calendar System Design Google Calendar is an app used to manage time and schedules. It lets users add events and check their plans over various periods. The main difficulties in building this system are: Fast data retrieval for different calendar views (day, week, month, or year). Making sure updates show up on all devices in near real-time.