Windows Live Writer (WLW) is a popular blog publishing tool. Using Windows Live Writer you can publish a post at a future date as well. This feature is useful if you are going for a vacation and you still want to update your blog regularly. To publish a post in a future date, complete the required details of your blog post such as Title, Content , Tags, Categories etc. and click on the set publish date option available at the right hand bottom on WLW.
Specify the date on which the post needs to be published using the date control.
After selecting the data, click on the Publish link. This would schedule the publishing of the post at the specified date and time.