Phemex will support the BNB Smart Chain (BEP20) Network Upgrade and Hard Fork per the following timeline:The Upgrade and Hard Fork will take place at the block height of 34,140,700, or approximately at 2023-12-07 08:00 (UTC).

Source: https://phemex.com/announcements/phemex-will-support-the-bnb-smart-chain-bep20-network-upgrade-and-hard-fork