<p>The first block appears to be at slot <em>83548800</em> according to the <a href="https://docs.blockfrost.io/#tag/Cardano-Network/paths/%7E1network%7E1eras/get" rel="nofollow noreferrer"><code>/network/eras</code> Blockfrost endpoint</a>.</p>
<pre><code>  {
    &quot;start&quot;: {
      &quot;time&quot;: 157680000,
      &quot;slot&quot;: 72316800,
      &quot;epoch&quot;: 365
    },
    &quot;end&quot;: {
      &quot;time&quot;: 168912000,
      &quot;slot&quot;: 83548800,
      &quot;epoch&quot;: 391
    },
    &quot;parameters&quot;: {
      &quot;epoch_length&quot;: 432000,
      &quot;slot_length&quot;: 1,
      &quot;safe_zone&quot;: 129600
    }
</code></pre>
<p>Yes, Vasil has been an era change from Alonzo to Babbage.</p>

CC BY-SA 4.0
2023-01-27T22:54:39.023Z
2023-01-27T22:54:39.023Z
Marek Mahut - StakeNuts
<p>Additionally, did vasil correlate to a <a href="https://cardano.stackexchange.com/questions/7511/what-are-the-block-heights-of-the-different-eras-of-cardano">change of era</a> for cardano?</p>

<vasil-hard-fork><shelley><alonzo><byron>
What block height was the vasil hardfork?
# What block height was the vasil hardfork?

(Asked by: username_0 on 2023-01-27)

Additionally, did vasil correlate to a [change of era](https://cardano.stackexchange.com/questions/7511/what-are-the-block-heights-of-the-different-eras-of-cardano) for cardano?

**Tags:** vasil-hard-fork, shelley, alonzo, byron

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## 1 answers

### Answer by username_1 on 2023-01-27. Score: 2

The first block appears to be at slot 83548800 according to the /network/eras Blockfrost endpoint.
  {
    "start": {
      "time": 157680000,
      "slot": 72316800,
      "epoch": 365
    },
    "end": {
      "time": 168912000,
      "slot": 83548800,
      "epoch": 391
    },
    "parameters": {
      "epoch_length": 432000,
      "slot_length": 1,
      "safe_zone": 129600
    }

Yes, Vasil has been an era change from Alonzo to Babbage.


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