Average bock time is 10 minutes but it can be longer or shorter depends on hashrate, waiting transaction in mempool and fee rate of waiting transactions.
https://bitinfocharts.com/comparison/bitcoin-confirmationtime.htmlYou can see the average line in the chart should be around 10 minutes. On 27 June 2021, it jumped to about 25 minutes but on average, block time still is 10 minutes.