diff --git a/internal/deployment/deployment.go b/internal/deployment/deployment.go
index 5916ba6..7cc0d1b 100644
--- a/internal/deployment/deployment.go
+++ b/internal/deployment/deployment.go
@@ -125,11 +125,11 @@ func (d Deployment) Deploy(ctx context.Context) Deployment {
 			logrus.Infof("Deployment failed")
 		}
 
-		deploymentResult.EndAt = time.Now()
+		deploymentResult.EndAt = time.Now().UTC()
 		deploymentResult.RestartComin = cominNeedRestart
 		d.deploymentCh <- deploymentResult
 	}()
 	d.Status = Running
-	d.StartAt = time.Now()
+	d.StartAt = time.Now().UTC()
 	return d
 }
diff --git a/internal/generation/generation.go b/internal/generation/generation.go
index c3a2a38..2c2806a 100644
--- a/internal/generation/generation.go
+++ b/internal/generation/generation.go
@@ -167,7 +167,7 @@ func (g Generation) UpdateBuild(r BuildResult) Generation {
 
 func (g Generation) Eval(ctx context.Context) Generation {
 	g.evalCh = make(chan EvalResult)
-	g.EvalStartedAt = time.Now()
+	g.EvalStartedAt = time.Now().UTC()
 	g.Status = Evaluating
 
 	fn := func() {
@@ -175,7 +175,7 @@ func (g Generation) Eval(ctx context.Context) Generation {
 		defer cancel()
 		drvPath, outPath, machineId, err := g.evalFunc(ctx, g.FlakeUrl, g.Hostname)
 		evaluationResult := EvalResult{
-			EndAt: time.Now(),
+			EndAt: time.Now().UTC(),
 		}
 		if err == nil {
 			evaluationResult.DrvPath = drvPath
@@ -196,14 +196,14 @@ func (g Generation) Eval(ctx context.Context) Generation {
 
 func (g Generation) Build(ctx context.Context) Generation {
 	g.buildCh = make(chan BuildResult)
-	g.BuildStartedAt = time.Now()
+	g.BuildStartedAt = time.Now().UTC()
 	g.Status = Building
 	fn := func() {
 		ctx, cancel := context.WithTimeout(ctx, g.evalTimeout)
 		defer cancel()
 		err := g.buildFunc(ctx, g.DrvPath)
 		buildResult := BuildResult{
-			EndAt: time.Now(),
+			EndAt: time.Now().UTC(),
 		}
 		buildResult.Err = err
 		g.buildCh <- buildResult
diff --git a/internal/repository/repository.go b/internal/repository/repository.go
index d421f37..3c3ec4f 100644
--- a/internal/repository/repository.go
+++ b/internal/repository/repository.go
@@ -80,7 +80,7 @@ func (r *repository) Fetch(remoteName string) (err error) {
 			repositoryStatusRemote.FetchErrorMsg = ""
 			repositoryStatusRemote.Fetched = true
 		}
-		repositoryStatusRemote.FetchedAt = time.Now()
+		repositoryStatusRemote.FetchedAt = time.Now().UTC()
 	}
 	return
 }