According to the developer's latest announcement about the progress of ETH Constantinople & Petersburg hard fork, the date and block for the upgrade have been set to 1 March 2019, block number 7,280,000.
For reference: https://github.com/ethereum/pm/wiki/Constantinople-Progress-Tracker
During the upgrade, if there are any airdrops, CoinEgg will distribute them to users after receiving the airdrops. It is recommended that you deposit ETH to CoinEgg, we will help deal with any technical problems regarding the hard fork.
Feb 27, 2019