2023 Celtic FC A3 Calendar. This Calendar is perfect for any Celtic fan with images of players from the current squad and plenty of room for all your notes and appointments in the large monthly date panels provided. Product Dimensions: 420 X 297 MM Official Celtic FC Product Danilo is the leading publisher of officially licensed calendars, diaries, greeting cards, gift wrap and gift bags in the UK. We are a family run company that’s been operating for more than 40 years. Our licenses range from baby to adult. All the paper we use is responsibly sourced and we only work with suppliers and manufacturers that meet our stringent ethical requirements.