Ethereum’s 2.0 phase zero is planned for launch on January 3, 2020 according to a recent developers call
Source: https://cointelegraph.com/news/ethereum-20s-phase-zero-scheduled-to-launch-on-january-3-2020-devs
Ethereum 2.0’s Phase Zero Scheduled to Launch on January 3, 2020: Devs
June 19, 2019
CoinTelegraph