Calendar Agenda 24 Regular icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M21 17.75A3.25 3.25 0 0 1 17.75 21H6.25A3.25 3.25 0 0 1 3 17.75V6.25A3.25 3.25 0 0 1 6.25 3h11.5A3.25 3.25 0 0 1 21 6.25v11.5Zm-1.5 0V6.25a1.75 1.75 0 0 0-1.75-1.75H6.25A1.75 1.75 0 0 0 4.5 6.25v11.5c0 .966.784 1.75 1.75 1.75h11.5a1.75 1.75 0 0 0 1.75-1.75Zm-2.5-10a.75.75 0 0 1-.648.743l-.102.007h-8.5a.75.75 0 0 1-.102-1.493L7.75 7h8.5a.75.75 0 0 1 .75.75Zm0 8.5a.75.75 0 0 1-.648.743L16.25 17h-8.5a.75.75 0 0 1-.102-1.493l.102-.007h8.5a.75.75 0 0 1 .75.75ZM17 12a.75.75 0 0 1-.648.743l-.102.007h-8.5a.75.75 0 0 1-.102-1.493l.102-.007h8.5A.75.75 0 0 1 17 12Z"/></svg>