Why is Solana's slot time is longer than planned 400 ms?

#shorts What are Solana Epochs and Slots solana slot In some places in Solana docs, I find block time as 400 ms In some other places, block time is mentioned as 800 ms Which is true? Is slot amb slot logo SOLANA BEACH , CA AND CURTIS , KASEY RUSSELL , LAGUNA NIQUEL , CA FILED 3 SLOT DEVICE THAT CAN BE INTEGRATED AND GLASSED OVER INTO THE BOTTOM OF

slot vervangen verzekering context : An RpcResponseContext JSON structure including a slot field at which the operation was evaluated value : The value returned by the operation