<% var year = -1, postid = -1; site.posts.sort('date', -1).each(function(post) { post.year = date(post.date, 'YYYY'); if (post.year && post.year !== year) { year = post.year; %>

<%= year %>

<% } %>

<%= date(post.date, 'MM-DD') %> <%= post.title %>

<% }); %>