The Ethereum Foundation has announced that Sepolia and Holesky will be upgraded within the next two weeks. Dencun will be activated on Sepolia at epoch 132608 (6:51 on January 31, Singapore time), and on Holesky at epoch 29696 (19:35 on February 7). Once all test networks are successfully running the upgrade, Dencun is scheduled to be deployed to the Ethereum mainnet.