<p>Bitcoin-Qt/bitcoind will reject new blocks whose timestamp is more than a couple hours  ahead of the previous block.  This means you could be nearly two hours behind and your node would still accept most new blocks.</p>

CC BY-SA 3.0
2013-07-15T04:21:23.643Z
2013-07-15T04:21:23.643Z
Stephen Gornick
<p>Bitcoin qt says my computer time needs to be correct for it to work properly. My time is right to the minute, but not the second. </p>

<p>Will this cause a problem?</p>

CC BY-SA 3.0
2013-07-15T06:46:02.930Z
The Bitcoin client can fix the time if it's only an hour off by asking other clients what time it is. http://bitcoin.stackexchange.com/questions/7404/how-does-bitcoin-figure-out-what-time-it-is
Nick ODell
<bitcoin-core><timestamp>
Bitcoin QT computer time
Starkers
# Bitcoin QT computer time

(Asked by: username_0 on 2013-07-14)

Bitcoin qt says my computer time needs to be correct for it to work properly. My time is right to the minute, but not the second.

Will this cause a problem?

**Tags:** bitcoin-core, timestamp

> **Comments:**
> **username_1**: The Bitcoin client can fix the time if it's only an hour off by asking other clients what time it is. http://bitcoin.stackexchange.com/questions/7404/how-does-bitcoin-figure-out-what-time-it-is  

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## 1 answers

### Answer by username_2 on 2013-07-15. Score: 1

Bitcoin-Qt/bitcoind will reject new blocks whose timestamp is more than a couple hours ahead of the previous block. This means you could be nearly two hours behind and your node would still accept most new blocks.


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