Save time for both you and your customers. Use Zoho Bookings, the appointment scheduling app from Zoho, to free yourself from email and paper-based scheduling. Zoho Bookings can give you a common calendar by syncing multiple calendars, including yours and your staff's.
Your customers can book a time convenient for them, and pay for services, through your website or the customizable webpage features available in Zoho Bookings. They'll also get emails reminding them about their appointments and any changes to them.