Question: តើផ្កាយទាំងអស់បញ្ចេញមាត់ចេញនៅពេលណា
Answer: 1999; 1999; 1999-05-04; 04-05-1999; 1999 ខែឧសភា 04; 1999-05-04; 1999 may, 04; 05-04-1999; 05/04/1999; 1999 05 04; 05 04 1999; 04/05/1999; 04 ខែឧសភា 1999; 04 05 1999