An Official Twitter on behalf of the U.S. Department of State, Bureau of Consular Affairs, was issued with the following message.
“We will release information as soon as it becomes available. DV 2020 Lottery will open to the public for entry October 3, 2018.”

October 3, 2018, is a Wednesday.
The DV Entry Period (Registration Period) usually lasts about four weeks.
Mark your calendars !