The contest starts each Sunday and ends each Friday with winners announced each Monday.

This is the contest:
https://steemit.com/openmic/@luzcypher/steemit-open-mic-week-67-record-your-performance-and-win-steem-sponsored-by-pfunk-and-luzcypher

This is the rules:
https://steemit.com/openmic/@luzcypher/new-rule-for-entering-steemit-open-mic-and-the-open-mic-songwriters-challenge