user24601: I am a little confused here. Why the Age of older Block[351542] is younger than Block[351543].  
Here is the screenshot from blockchain.info


user12983: Because blocks are created on different computers. The clock may be slightly different on them. This is not a problem for bitcoin protocol

24601: <p>I am a little confused here. Why the Age of older Block[351542] is younger than Block[351543]. <br/> <br/>
Here is the screenshot from blockchain.info</p>

<p><img src="https://i.stack.imgur.com/F0fPn.png" alt="enter image description here"></p>
 12983: <p>Because blocks are created on different computers. The clock may be slightly different on them. This is not a problem for bitcoin protocol</p>
