Add testnet fork times

Signed-off-by: Tim Beiko <[email protected]>

network-upgrades/mainnet-upgrades/cancun.md

@@ -10,18 +10,14 @@ Execution layer changes included in the Network Upgrade.
 * [EIP-6780: SELFDESTRUCT only in same transaction](https://eips.ethereum.org/EIPS/eip-6780)
 * [EIP-7516: BLOBBASEFEE opcode](https://eips.ethereum.org/EIPS/eip-7516)
 
-### Implementation Progresss
-
-Implementation status of Included EIPs across participating clients.
-
-|                | [1153](https://eips.ethereum.org/EIPS/eip-1153) | [4788](https://eips.ethereum.org/EIPS/eip-4788) | [4844](https://eips.ethereum.org/EIPS/eip-4844) | [5656](https://eips.ethereum.org/EIPS/eip-5656) | [6780](https://eips.ethereum.org/EIPS/eip-6780) | [7516](https://eips.ethereum.org/EIPS/eip-7516) |
-|----------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------|
-| **Geth**       | [Merged](https://github.com/ethereum/go-ethereum/pull/26003) + [Merged](https://github.com/ethereum/go-ethereum/pull/27663)| - | [Merged](https://github.com/ethereum/go-ethereum/pull/26940) | [Merged](https://github.com/ethereum/go-ethereum/pull/26181) | [Not merged](https://github.com/ethereum/go-ethereum/pull/27189) | |
-| **Besu**       | [Merged](https://github.com/hyperledger/besu/pull/4118) | - | [Merged]([https://github.com/hyperledger/besu/tree/eip-4844-interop](https://github.com/hyperledger/besu/pull/5724)) | [Merged](https://github.com/hyperledger/besu/pull/5493) | [Merged](https://github.com/hyperledger/besu/pull/4118) | |
-| **Nethermind** | [Merged](https://github.com/NethermindEth/nethermind/pull/4126) | [Not merged](https://github.com/NethermindEth/nethermind/pull/5476) | [Not merged (many PRs)](https://github.com/NethermindEth/nethermind/pull/5671) | [Not merged](https://github.com/NethermindEth/nethermind/pull/5791) | [Not merged](https://github.com/NethermindEth/nethermind/pull/4704) | |
-| **Erigon**     | [Merged](https://github.com/ledgerwatch/erigon/pull/7405) + [Merged](https://github.com/ledgerwatch/erigon/pull/7885) | [Merged (many PRs)](https://github.com/ledgerwatch/erigon/pulls?q=is%3Apr+4788) | [Merged (many PRs)](https://github.com/ledgerwatch/erigon/pulls?q=is%3Apr+4844) | [Merged](https://github.com/ledgerwatch/erigon/pull/7887) | [Merged](https://github.com/ledgerwatch/erigon/pull/7976) | [Merged](https://github.com/ledgerwatch/erigon/pull/8231) |
-| **EthereumJS** | [Merged](https://github.com/ethereumjs/ethereumjs-monorepo/pull/1860) | [Merged](https://github.com/ethereumjs/ethereumjs-monorepo/pull/2810) | [Merged (many PRs)](https://github.com/ethereumjs/ethereumjs-monorepo/pulls?q=is%3Apr+4844) | [Merged](https://github.com/ethereumjs/ethereumjs-monorepo/pull/2808) | [Merged](https://github.com/ethereumjs/ethereumjs-monorepo/pull/2771) | |
+### Upgrade Schedule
 
+| Network | Timestamp    | Date & Time (UTC)       | Fork Hash    | Beacon Chain Epoch |
+|---------|--------------|-------------------------|--------------| ------------------ |
+| Goerli  | `1705473120` | 2024-01-17 06:32:00     | `0x70cc14e2` | 231680 
+| Sepolia | `1706655072` | 2024-01-30 22:51:12     |              | 132608 
+| Holesky | `1707305664` | 2024-02-07 11:34:24.    |              | 29696 
+| Mainnet |              |                         |              |  
 
 
 ### Readiness Checklist
@@ -31,7 +27,7 @@ Implementation status of Included EIPs across participating clients.
 - [x] Client Integration Testing
   - [x] [Devnets](https://github.com/ethpandaops/dencun-testnet)
   - [x] [Testing suites](https://notes.ethereum.org/@ethpandaops/dencun-testing-overview)
- - [ ] Select Testnet Fork Blocks
+ - [x] Select Testnet Fork Blocks
  - [ ] Select Mainnet Fork Block
  - [ ] Release Mainnet Compatible Clients
    - [ ]  Geth