diff --git a/internal/cmd/postgresflex/instance/clone/clone.go b/internal/cmd/postgresflex/instance/clone/clone.go
index b05617b2..e20baa76 100644
--- a/internal/cmd/postgresflex/instance/clone/clone.go
+++ b/internal/cmd/postgresflex/instance/clone/clone.go
@@ -143,7 +143,7 @@ func parseInput(cmd *cobra.Command, inputArgs []string) (*inputModel, error) {
 			Details: err.Error(),
 		}
 	}
-	recoveryTimestampString := recoveryTimestamp.String()
+	recoveryTimestampString := recoveryTimestamp.Format(time.RFC3339)
 
 	return &inputModel{
 		GlobalFlagModel: globalFlags,
diff --git a/internal/cmd/postgresflex/instance/clone/clone_test.go b/internal/cmd/postgresflex/instance/clone/clone_test.go
index c61e50e4..04d0e2b6 100644
--- a/internal/cmd/postgresflex/instance/clone/clone_test.go
+++ b/internal/cmd/postgresflex/instance/clone/clone_test.go
@@ -91,7 +91,7 @@ func fixtureRequiredInputModel(mods ...func(model *inputModel)) *inputModel {
 	if err != nil {
 		return &inputModel{}
 	}
-	recoveryTimestampString := testRecoveryTimestamp.String()
+	recoveryTimestampString := testRecoveryTimestamp.Format(time.RFC3339)
 
 	model := &inputModel{
 		GlobalFlagModel: &globalflags.GlobalFlagModel{
@@ -111,7 +111,7 @@ func fixtureStandardInputModel(mods ...func(model *inputModel)) *inputModel {
 	if err != nil {
 		return &inputModel{}
 	}
-	recoveryTimestampString := testRecoveryTimestamp.String()
+	recoveryTimestampString := testRecoveryTimestamp.Format(time.RFC3339)
 
 	model := &inputModel{
 		GlobalFlagModel: &globalflags.GlobalFlagModel{
@@ -142,7 +142,7 @@ func fixturePayload(mods ...func(payload *postgresflex.CloneInstancePayload)) po
 	if err != nil {
 		return postgresflex.CloneInstancePayload{}
 	}
-	recoveryTimestampString := testRecoveryTimestamp.String()
+	recoveryTimestampString := testRecoveryTimestamp.Format(time.RFC3339)
 
 	payload := postgresflex.CloneInstancePayload{
 		Timestamp: utils.Ptr(recoveryTimestampString),
@@ -350,7 +350,7 @@ func TestBuildRequest(t *testing.T) {
 	if err != nil {
 		return
 	}
-	recoveryTimestampString := testRecoveryTimestamp.String()
+	recoveryTimestampString := testRecoveryTimestamp.Format(time.RFC3339)
 
 	tests := []struct {
 		description       string