diff --git a/internal/account.go b/internal/account.go
index 75d385b13..d67370210 100644
--- a/internal/account.go
+++ b/internal/account.go
@@ -16,9 +16,9 @@ type Account struct {
 
 	Address          string            `json:"address" bun:"address"`
 	Metadata         metadata.Metadata `json:"metadata" bun:"metadata,type:jsonb"`
-	FirstUsage       time.Time         `json:"-" bun:"first_usage"`
-	InsertionDate    time.Time         `json:"_" bun:"insertion_date"`
-	UpdatedAt        time.Time         `json:"-" bun:"updated_at"`
+	FirstUsage       time.Time         `json:"-" bun:"first_usage,nullzero"`
+	InsertionDate    time.Time         `json:"_" bun:"insertion_date,nullzero"`
+	UpdatedAt        time.Time         `json:"-" bun:"updated_at,nullzero"`
 	Volumes          VolumesByAssets   `json:"volumes,omitempty" bun:"pcv,scanonly"`
 	EffectiveVolumes VolumesByAssets   `json:"effectiveVolumes,omitempty" bun:"pcev,scanonly"`
 }
diff --git a/internal/controller/ledger/controller_default.go b/internal/controller/ledger/controller_default.go
index e3d43f356..438580a4e 100644
--- a/internal/controller/ledger/controller_default.go
+++ b/internal/controller/ledger/controller_default.go
@@ -7,8 +7,6 @@ import (
 	"math/big"
 	"reflect"
 
-	"github.com/formancehq/go-libs/time"
-
 	"github.com/formancehq/go-libs/migrations"
 	"github.com/formancehq/ledger/internal/tracing"
 
@@ -349,15 +347,10 @@ func (ctrl *DefaultController) SaveTransactionMetadata(ctx context.Context, para
 }
 
 func (ctrl *DefaultController) SaveAccountMetadata(ctx context.Context, parameters Parameters[SaveAccountMetadata]) error {
-	// todo: let database generate date
-	now := time.Now()
 	_, err := forgeLog(ctx, ctrl.store, parameters, func(ctx context.Context, sqlTX TX, input SaveAccountMetadata) (*ledger.SavedMetadata, error) {
 		if _, err := sqlTX.UpsertAccount(ctx, &ledger.Account{
 			Address:       input.Address,
 			Metadata:      input.Metadata,
-			FirstUsage:    now,
-			InsertionDate: now,
-			UpdatedAt:     now,
 		}); err != nil {
 			return nil, err
 		}
diff --git a/internal/storage/bucket/migrations/32-accounts-assign-date.sql b/internal/storage/bucket/migrations/32-accounts-assign-date.sql
new file mode 100644
index 000000000..df0f93fe9
--- /dev/null
+++ b/internal/storage/bucket/migrations/32-accounts-assign-date.sql
@@ -0,0 +1,5 @@
+alter table "{{.Bucket}}".accounts
+alter column first_usage set default (now() at time zone 'utc'),
+alter column insertion_date set default (now() at time zone 'utc'),
+alter column updated_at set default (now() at time zone 'utc')
+;
\ No newline at end of file
diff --git a/internal/storage/ledger/accounts.go b/internal/storage/ledger/accounts.go
index 372bb9647..1c3b6c178 100644
--- a/internal/storage/ledger/accounts.go
+++ b/internal/storage/ledger/accounts.go
@@ -251,9 +251,6 @@ func (s *Store) CountAccounts(ctx context.Context, q ledgercontroller.ListAccoun
 
 func (s *Store) UpdateAccountsMetadata(ctx context.Context, m map[string]metadata.Metadata) error {
 	_, err := tracing.TraceWithLatency(ctx, "UpdateAccountsMetadata", tracing.NoResult(func(ctx context.Context) error {
-		// todo: let database generate date
-		now := time.Now()
-
 		type AccountWithLedger struct {
 			ledger.Account `bun:",extend"`
 			Ledger         string `bun:"ledger,type:varchar"`
@@ -266,9 +263,6 @@ func (s *Store) UpdateAccountsMetadata(ctx context.Context, m map[string]metadat
 				Account: ledger.Account{
 					Address:       account,
 					Metadata:      accountMetadata,
-					InsertionDate: now,
-					UpdatedAt:     now,
-					FirstUsage:    now,
 				},
 			})
 		}
diff --git a/internal/storage/ledger/accounts_test.go b/internal/storage/ledger/accounts_test.go
index 0bc45924a..4bf8369f0 100644
--- a/internal/storage/ledger/accounts_test.go
+++ b/internal/storage/ledger/accounts_test.go
@@ -410,19 +410,19 @@ func TestUpsertAccount(t *testing.T) {
 	store := newLedgerStore(t)
 	ctx := logging.TestingContext()
 
-	now := time.Now()
-
 	account := ledger.Account{
 		Address:       "foo",
-		FirstUsage:    now,
-		InsertionDate: now,
-		UpdatedAt:     now,
 	}
 
 	// Initial insert
 	upserted, err := store.UpsertAccount(ctx, &account)
 	require.NoError(t, err)
 	require.True(t, upserted)
+	require.NotEmpty(t, account.FirstUsage)
+	require.NotEmpty(t, account.InsertionDate)
+	require.NotEmpty(t, account.UpdatedAt)
+
+	now := time.Now()
 
 	// Reset the account model
 	account = ledger.Account{
diff --git a/internal/storage/ledger/transactions.go b/internal/storage/ledger/transactions.go
index b7046182a..05b76d434 100644
--- a/internal/storage/ledger/transactions.go
+++ b/internal/storage/ledger/transactions.go
@@ -231,8 +231,15 @@ func (s *Store) selectTransactions(date *time.Time, expandVolumes, expandEffecti
 }
 
 func (s *Store) CommitTransaction(ctx context.Context, tx *ledger.Transaction) error {
-	if tx.InsertedAt.IsZero() {
-		tx.InsertedAt = time.Now()
+	postCommitVolumes, err := s.UpdateVolumes(ctx, tx.VolumeUpdates()...)
+	if err != nil {
+		return fmt.Errorf("failed to update balances: %w", err)
+	}
+	tx.PostCommitVolumes = postCommitVolumes.Copy()
+
+	err = s.InsertTransaction(ctx, tx)
+	if err != nil {
+		return fmt.Errorf("failed to insert transaction: %w", err)
 	}
 
 	for _, address := range tx.InvolvedAccounts() {
@@ -248,17 +255,6 @@ func (s *Store) CommitTransaction(ctx context.Context, tx *ledger.Transaction) e
 		}
 	}
 
-	postCommitVolumes, err := s.UpdateVolumes(ctx, tx.VolumeUpdates()...)
-	if err != nil {
-		return fmt.Errorf("failed to update balances: %w", err)
-	}
-	tx.PostCommitVolumes = postCommitVolumes.Copy()
-
-	err = s.InsertTransaction(ctx, tx)
-	if err != nil {
-		return fmt.Errorf("failed to insert transaction: %w", err)
-	}
-
 	if s.ledger.HasFeature(ledger.FeatureMovesHistory, "ON") {
 		moves := ledger.Moves{}
 		postings := tx.Postings