Image to remember how many days a month has. This pattern also correlates to the white &amp; black keys of the twelve notes in the musical scale on a piano.
Translated to Santali by <a href="//commons.wikimedia.org/wiki/User:R_Ashwani_Banjan_Murmu" title="User:R Ashwani Banjan Murmu">User:R Ashwani Banjan Murmu</a>
<a href="//commons.wikimedia.org/wiki/File:Month_-_Knuckles_(en).svg" class="image"><img alt="Month - Knuckles (en).svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Month_-_Knuckles_%28en%29.svg/50px-Month_-_Knuckles_%28en%29.svg.png" decoding="async" width="50" height="24" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Month_-_Knuckles_%28en%29.svg/75px-Month_-_Knuckles_%28en%29.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Month_-_Knuckles_%28en%29.svg/100px-Month_-_Knuckles_%28en%29.svg.png 2x" data-file-width="450" data-file-height="220"></a> by <a href="//commons.wikimedia.org/w/index.php?title=User:Tijmen_Stam_/_IIVQ&amp;action=edit&amp;redlink=1" class="new" title="User:Tijmen Stam / IIVQ (page does not exist)">User:Tijmen Stam / IIVQ</a>