Most of our appointments today are recorded in a smartphone or a virtual calendar. But to look quickly for a date, desk calendars as a three-month calendar or four-month calendar in the office or at home are still simply priceless. Because that means that we have an entire quarter in mind and can plan vacations, navigate ourselves at customer or medical appointments or simply look for the next holiday. It's not for nothing that these wall calendars are popular giveaways for three or four months and perfect for strengthening your brand or corporate identity.