Maecenas, a first art trade blockchain based platform, its ART token is listed in HitBTC since 6th Oct.
According to Macenas's announcement, the token trade will be unlocked at blocknumber 4366494.
Its ICO event is written in ethereum smart contract. With current block generation trend, the estimated time for date tradable could be assumed.
In recent block generation log which can be found in https://etherscan.io/blocks that it took 1 hour for generating 108 blocks. (blocks 4365274 to 4365381)
Simply we get the block generation speed for token ETU calculation. (Token Estimated Time for Unlock, ETU)
[1] 108 Blocks per Hour
[2] The block no. 4365381 was generated at Oct-14-2017 03:21 PM +UTC
[3] 1,114 blocks from no. 4365381 to 4366494
10 hours 19 minutes from time Oct-14-2017 03:21 PM +UTC.
In conclusion,
ETU for Maecenas ART token (status being changed to tradable) is Oct-15-2017 01: 40 AM +UTC.