diff --git a/pkg/utils/time.go b/pkg/utils/time.go
index 9fa6b59..231e930 100644
--- a/pkg/utils/time.go
+++ b/pkg/utils/time.go
@@ -6,10 +6,17 @@ import (
 )
 
 type timeUtil interface {
+	// TimeNowUTC Use it everywhere, when you need current time.
 	TimeNowUTC() time.Time
+
+	// DeletedNullTime returns empty sql.NullTime struct.
 	DeletedNullTime() sql.NullTime
+
+	// NullTimeNowUTC returns valid sql.NullTime struct with current time in UTC.
 	NullTimeNowUTC() sql.NullTime
-	NullTimeFromNow(time.Time) sql.NullTime
+
+	// NullTimeFromNow converts time.Time to valid sql.NullTime struct.
+	NullTimeFromNow(now time.Time) sql.NullTime
 }
 
 func (h *Handler) TimeNowUTC() time.Time {
@@ -24,6 +31,6 @@ func (h *Handler) NullTimeNowUTC() sql.NullTime {
 	return sql.NullTime{Time: h.TimeNowUTC(), Valid: true}
 }
 
-func (h *Handler) NullTimeFromNow(time.Time) sql.NullTime {
-	return sql.NullTime{Time: h.TimeNowUTC(), Valid: true}
+func (h *Handler) NullTimeFromNow(now time.Time) sql.NullTime {
+	return sql.NullTime{Time: now, Valid: true}
 }