Retired Documentation: You are using the documentation for version 1.7.3 which was retired in 2013. Go here for the latest version documentation or check here for your available upgrades to the latest version.
How to display future entries
Future entries are not shown by default.
Troubleshooting
By default, ExpressionEngine will not include entries whose entry date lies in the future. This behavior can be modified using the show_future_entries="yes" parameter:
{exp:weblog:entries weblog="foobar" show_future_entries="yes"}