If you're talking about how the reported block time is after than the time reported in the subsequent block, it's within the limits of the block allowance. The reported block time is allowed to be within a few minutes of the consensus time due to latency.

1609671 2017-02-14 16:45:58
1609672 2017-02-14 16:44:13

As you can see, the block time is reported as 16 seconds after the block time of the next accepted block. It's partially an artifact of shorter block times (1 min for VRC vs 10 min for BTC, for example). Since your PC clock could be off by a minute or two, as long as it's within the accepted window and properly meets the other criteria and is broadcast to a majority of nodes, it will be accepted.