diff --git a/.changeset/transaction-block-timestamp.md b/.changeset/transaction-block-timestamp.md
new file mode 100644
index 00000000..39ccde38
--- /dev/null
+++ b/.changeset/transaction-block-timestamp.md
@@ -0,0 +1,5 @@
+---
+"ox": patch
+---
+
+Added `blockTimestamp` support to transaction RPC conversions.
diff --git a/src/core/Transaction.ts b/src/core/Transaction.ts
index 87508d93..a6383c82 100644
--- a/src/core/Transaction.ts
+++ b/src/core/Transaction.ts
@@ -49,6 +49,8 @@ export type Base<
   blockHash: pending extends true ? null : Hex.Hex
   /** Number of block containing this transaction or `null` if pending */
   blockNumber: pending extends true ? null : bigintType
+  /** Timestamp of the block containing this transaction, or `null` if pending. */
+  blockTimestamp?: pending extends true ? null : bigintType | undefined
   /** Chain ID that this transaction is valid on. */
   chainId: numberType
   /** @alias `input` Added for TransactionEnvelope - Transaction compatibility. */
@@ -289,6 +291,12 @@ export function fromRpc<
   transaction_.blockNumber = transaction.blockNumber
     ? BigInt(transaction.blockNumber)
     : null
+  if ('blockTimestamp' in transaction)
+    transaction_.blockTimestamp = transaction.blockTimestamp
+      ? BigInt(transaction.blockTimestamp)
+      : transaction.blockTimestamp === null
+        ? null
+        : undefined
   transaction_.data = transaction.input
   transaction_.gas = BigInt(transaction.gas ?? 0n)
   transaction_.nonce = BigInt(transaction.nonce ?? 0n)
@@ -371,6 +379,9 @@ export function toRpc<pending extends boolean = false>(
     typeof transaction.blockNumber === 'bigint'
       ? Hex.fromNumber(transaction.blockNumber)
       : null
+  if (typeof transaction.blockTimestamp === 'bigint')
+    rpc.blockTimestamp = Hex.fromNumber(transaction.blockTimestamp)
+  else if (transaction.blockTimestamp === null) rpc.blockTimestamp = null
   rpc.from = transaction.from
   rpc.gas = Hex.fromNumber(transaction.gas ?? 0n)
   rpc.hash = transaction.hash
diff --git a/src/tempo/Transaction.test.ts b/src/tempo/Transaction.test.ts
index 4923f070..8c56682b 100644
--- a/src/tempo/Transaction.test.ts
+++ b/src/tempo/Transaction.test.ts
@@ -19,6 +19,7 @@ describe('fromRpc', () => {
       blockHash:
         '0xc350d807505fb835650f0013632c5515592987ba169bbc6626d9fc54d91f0f0b',
       blockNumber: '0x12f296f',
+      blockTimestamp: '0x66434e07',
       transactionIndex: '0x2',
       feeToken: '0x20c0000000000000000000000000000000000000',
       from: '0x814e5e0e31016b9a7f138c76b7e7b2bb5c1ab6a6',
@@ -39,6 +40,7 @@ describe('fromRpc', () => {
         "accessList": [],
         "blockHash": "0xc350d807505fb835650f0013632c5515592987ba169bbc6626d9fc54d91f0f0b",
         "blockNumber": 19868015n,
+        "blockTimestamp": 1715686919n,
         "calls": [
           {
             "data": "0xdeadbeef",
@@ -269,6 +271,7 @@ describe('toRpc', () => {
       blockHash:
         '0xc350d807505fb835650f0013632c5515592987ba169bbc6626d9fc54d91f0f0b',
       blockNumber: 19868015n,
+      blockTimestamp: 1715686919n,
       calls: [
         {
           data: '0xdeadbeef',
@@ -302,6 +305,7 @@ describe('toRpc', () => {
         "accessList": [],
         "blockHash": "0xc350d807505fb835650f0013632c5515592987ba169bbc6626d9fc54d91f0f0b",
         "blockNumber": "0x12f296f",
+        "blockTimestamp": "0x66434e07",
         "calls": [
           {
             "data": "0xdeadbeef",
diff --git a/src/tempo/e2e.test.ts b/src/tempo/e2e.test.ts
index 1ba617a1..e6869396 100644
--- a/src/tempo/e2e.test.ts
+++ b/src/tempo/e2e.test.ts
@@ -79,6 +79,7 @@ test('behavior: default (secp256k1)', async () => {
     const {
       blockNumber,
       blockHash,
+      blockTimestamp,
       chainId,
       hash,
       feeToken: _,
@@ -94,6 +95,7 @@ test('behavior: default (secp256k1)', async () => {
 
     expect(blockNumber).toBeDefined()
     expect(blockHash).toBeDefined()
+    expect(blockTimestamp).toBeDefined()
     expect(chainId).toBe(chainId)
     expect(hash).toBe(receipt.transactionHash)
     expect(from).toBe(address)
@@ -288,6 +290,7 @@ test('behavior: default (p256)', async () => {
     const {
       blockNumber,
       blockHash,
+      blockTimestamp,
       chainId,
       feeToken: _,
       from,
@@ -303,6 +306,7 @@ test('behavior: default (p256)', async () => {
 
     expect(blockNumber).toBeDefined()
     expect(blockHash).toBeDefined()
+    expect(blockTimestamp).toBeDefined()
     expect(chainId).toBe(chainId)
     expect(from).toBe(address)
     expect(hash).toBe(receipt.transactionHash)
@@ -429,6 +433,7 @@ test('behavior: default (p256 - webcrypto)', async () => {
     const {
       blockNumber,
       blockHash,
+      blockTimestamp,
       chainId,
       feeToken: _,
       from,
@@ -440,10 +445,11 @@ test('behavior: default (p256 - webcrypto)', async () => {
       signature,
       transactionIndex,
       ...rest
-    } = response as any
+    } = response
 
     expect(blockNumber).toBeDefined()
     expect(blockHash).toBeDefined()
+    expect(blockTimestamp).toBeDefined()
     expect(chainId).toBeDefined()
     expect(from).toBeDefined()
     expect(hash).toBe(receipt.transactionHash)
@@ -577,6 +583,7 @@ test('behavior: default (webauthn)', async () => {
     const {
       blockNumber,
       blockHash,
+      blockTimestamp,
       chainId,
       feeToken: _,
       from,
@@ -592,6 +599,7 @@ test('behavior: default (webauthn)', async () => {
 
     expect(blockNumber).toBeDefined()
     expect(blockHash).toBeDefined()
+    expect(blockTimestamp).toBeDefined()
     expect(chainId).toBe(chainId)
     expect(from).toBeDefined()
     expect(hash).toBe(receipt.transactionHash)
@@ -956,6 +964,7 @@ describe('behavior: keyAuthorization', () => {
       const {
         blockNumber,
         blockHash,
+        blockTimestamp,
         chainId: _,
         gasPrice,
         hash,
@@ -971,6 +980,7 @@ describe('behavior: keyAuthorization', () => {
 
       expect(blockNumber).toBeDefined()
       expect(blockHash).toBeDefined()
+      expect(blockTimestamp).toBeDefined()
       expect(gasPrice).toBeDefined()
       expect(maxFeePerGas).toBeDefined()
       expect(maxPriorityFeePerGas).toBeDefined()
@@ -1173,6 +1183,7 @@ describe('behavior: keyAuthorization', () => {
       const {
         blockNumber,
         blockHash,
+        blockTimestamp,
         chainId: _,
         gasPrice,
         hash,
@@ -1188,6 +1199,7 @@ describe('behavior: keyAuthorization', () => {
 
       expect(blockNumber).toBeDefined()
       expect(blockHash).toBeDefined()
+      expect(blockTimestamp).toBeDefined()
       expect(gasPrice).toBeDefined()
       expect(hash).toBe(receipt.transactionHash)
       expect(from).toBe(root.address)
@@ -1392,6 +1404,7 @@ describe('behavior: keyAuthorization', () => {
       const {
         blockNumber,
         blockHash,
+        blockTimestamp,
         chainId: _,
         gasPrice,
         hash,
@@ -1407,6 +1420,7 @@ describe('behavior: keyAuthorization', () => {
 
       expect(blockNumber).toBeDefined()
       expect(blockHash).toBeDefined()
+      expect(blockTimestamp).toBeDefined()
       expect(gasPrice).toBeDefined()
       expect(hash).toBe(receipt.transactionHash)
       expect(from).toBe(root.address)