Question: តើពេលណាមាន ១៣ ហេតុផលដែលរដូវកាលទី ២ ចេញមក
Answer: 2018-05-18; 2018 may, 18; 2018 05 18; 18 ខែឧសភា 2018; 05 18 2018; 05-18-2018; 18/05/2018; 18 05 2018; 2018-05-18; 2018 ខែឧសភា 18; 05/18/2018; 18-05-2018