Custom wp_query time filter on meta_value

You can use the WP query_posts to filter about your custom values; ean example:

query_posts('meta_key=my_type&meta_compare=<=&my_value=20&orderby=my_value');
if (have_posts()) :
while ( have_posts() ) : the_post();

But, i think you must replace the time-values for readable string, maybe woth strotime, that you have the same format for the query.

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