ClockIn keeps the cities you work with, and the people in them, one glance away — and answers the question that always follows: when can we actually talk? EVERY CITY IN ITS OWN SKY Each city is a card coloured by its own sky — navy at midnight, warm at dawn and dusk, bright blue at noon — so you can tell night from morning before you've read a single number. Add a colleague, a client or a friend and ClockIn shows them in their city's time, under their own name. A filter switches between…