diff --git a/Sources/APIServer/Containers/ContainersService.swift b/Sources/APIServer/Containers/ContainersService.swift
index edadc3f0..31483ad9 100644
--- a/Sources/APIServer/Containers/ContainersService.swift
+++ b/Sources/APIServer/Containers/ContainersService.swift
@@ -41,6 +41,7 @@ actor ContainersService {
     struct Item: Sendable {
         let bundle: ContainerClient.Bundle
         var state: State
+        var startedAt: Date?
 
         enum State: Sendable {
             case dead
@@ -81,7 +82,7 @@ actor ContainersService {
             do {
                 let bundle = ContainerClient.Bundle(path: dir)
                 let config = try bundle.configuration
-                results[config.id] = .init(bundle: bundle, state: .dead)
+                results[config.id] = .init(bundle: bundle, state: .dead, startedAt: nil)
                 let plugin = runtimePlugins.first { $0.name == config.runtimeHandler }
                 guard let plugin else {
                     throw ContainerizationError(.internalError, message: "Failed to find runtime plugin \(config.runtimeHandler)")
@@ -158,7 +159,7 @@ actor ContainersService {
             }
             throw error
         }
-        self.containers[configuration.id] = Item(bundle: bundle, state: .dead)
+        self.containers[configuration.id] = Item(bundle: bundle, state: .dead, startedAt: nil)
     }
 
     private func getInitBlock(for platform: Platform) async throws -> Filesystem {
@@ -277,6 +278,7 @@ actor ContainersService {
             let configuration = try item.bundle.configuration
             let client = SandboxClient(id: configuration.id, runtime: configuration.runtimeHandler)
             item.state = .alive(client)
+            item.startedAt = Date()
             await self.setContainer(id, item, context: context)
         } catch {
             self.log.error(
@@ -347,6 +349,7 @@ extension ContainersService.Item {
                     configuration: config,
                     status: RuntimeStatus.stopped,
                     networks: []
+                    started: self.startedAt
                 ), .stopped
             )
         case .alive(let client):
@@ -355,7 +358,8 @@ extension ContainersService.Item {
                 .init(
                     configuration: config,
                     status: state.status,
-                    networks: state.networks
+                    networks: state.networks,
+                    startedAt: self.startedAt
                 ), state.status
             )
         }
diff --git a/Sources/CLI/Container/ContainerList.swift b/Sources/CLI/Container/ContainerList.swift
index 43e5a4ce..fa30aad3 100644
--- a/Sources/CLI/Container/ContainerList.swift
+++ b/Sources/CLI/Container/ContainerList.swift
@@ -92,6 +92,7 @@ extension ClientContainer {
             self.configuration.platform.os,
             self.configuration.platform.architecture,
             self.status.rawValue,
+            self.configuration.startedAt.map { ISO8601DateFormatter().string(from: $0) } ?? "",
             self.networks.compactMap { try? CIDRAddress($0.address).address.description }.joined(separator: ","),
         ]
     }
@@ -101,10 +102,12 @@ struct PrintableContainer: Codable {
     let status: RuntimeStatus
     let configuration: ContainerConfiguration
     let networks: [Attachment]
+    let startedAt: Date?
 
     init(_ container: ClientContainer) {
         self.status = container.status
         self.configuration = container.configuration
         self.networks = container.networks
+        self.startedAt = container.startedAt
     }
 }
diff --git a/Sources/ContainerClient/Core/ClientContainer.swift b/Sources/ContainerClient/Core/ClientContainer.swift
index 91744443..b9103604 100644
--- a/Sources/ContainerClient/Core/ClientContainer.swift
+++ b/Sources/ContainerClient/Core/ClientContainer.swift
@@ -47,6 +47,9 @@ public struct ClientContainer: Sendable, Codable {
     /// Network allocated to the container.
     public let networks: [Attachment]
 
+    /// When the container was started.
+    public let startedAt: Date?
+
     package init(configuration: ContainerConfiguration) {
         self.configuration = configuration
         self.status = .stopped
@@ -57,6 +60,7 @@ public struct ClientContainer: Sendable, Codable {
         self.configuration = snapshot.configuration
         self.status = snapshot.status
         self.networks = snapshot.networks
+        self.startedAt = snapshot.startedAt
     }
 
     public var initProcess: ClientProcess {
@@ -248,4 +252,6 @@ extension ClientContainer {
             )
         }
     }
+
+    
 }
diff --git a/Sources/ContainerClient/Core/ContainerSnapshot.swift b/Sources/ContainerClient/Core/ContainerSnapshot.swift
index ebd6f1ca..cf6417b7 100644
--- a/Sources/ContainerClient/Core/ContainerSnapshot.swift
+++ b/Sources/ContainerClient/Core/ContainerSnapshot.swift
@@ -25,14 +25,18 @@ public struct ContainerSnapshot: Codable, Sendable {
     public let status: RuntimeStatus
     /// Network interfaces attached to the sandbox that are provided to the container.
     public let networks: [Attachment]
+    /// When the container was started.
+    public let startedAt: Date?
 
     public init(
         configuration: ContainerConfiguration,
         status: RuntimeStatus,
-        networks: [Attachment]
+        networks: [Attachment],
+        startedAt: Date? = nil
     ) {
         self.configuration = configuration
         self.status = status
         self.networks = networks
+        self.startedAt = startedAt
     }
 }