Best Practices for Energy Price Indices © Copyright 2003, CCRO. All rights reserved. 21 Business Day 6 06:00 If necessary, publish revised index value for Day 1 Note: The clock times in the example timeline above are stated in terms of a 24-hour day and do not explicitly state the time-zone. The actual clock times and the applicable time zone will be defined by the index developer and will be index specific based on the underlying market, commodity, and product characteristics.