How to get transaction date having it's hash at hand?

Question

I'm trying to figure out how to get the time when the transaction was included in block by it's hash on the P-Chain.

I looked into getTx method but the response doesn't include this information:

{
  unsignedTx: {
    networkID: 5,
    blockchainID: '11111111111111111111111111111111LpoYY',
    outputs: [],
    inputs: [ [Object] ],
    memo: '0x44656c656761746564207769746820466967656d6e74277320536c61746520415049',
    validator: {
      nodeID: 'NodeID-4B4rc5vdD1758JSBYL1xyvE5NHGzz6xzH',
      start: 1658162594,
      end: 1658252280,
      weight: 1000000000
    },
    stake: [ [Object] ],
    rewardsOwner: { addresses: [Array], locktime: 0, threshold: 1 }
  },
  credentials: [ { signatures: [Array] } ]
}