Circa helps you keep time across multiple locations and time zones. Stop wondering when your colleagues are available. Find the best times to connect when your calendar is free and quickly create meeting invitations that work for everyone.
It takes Herculean effort to figure out when everyone's available for a meeting. Circa addresses the problem through an ingeniously simple interface. It’s a 24-hour ring.FastCo.Design
Circa is for those moments when you’ve travelled so much you no longer know what time it is.The Guardian