Roman Julian Calendar-ah chuan April hi kum khata thla hmasa ber a ni a. Gregorian Calender-ah chuan January hi kum khata thla hmasa ber a ni thung. Kum 1752 hunlai khan England ah Lal thupeka Gregorian Calender an hmang tawh chung khan mi tam tak chuan an tihdan hlui kha an bansan thei lo a. January thlaa kum thar hmang ve lo in, April ni khatah kum thar an la hmang ta reng a. Inrualkhai lo tak maia mipuite’n kum thar an hman avang hian England Lal chu a thinrim hle a. Hemi vang hian Lal Thupek khauh tak mai, zawm loh theih loh lo in a tichhuak ta a, “April ni 1 a kum thar la hmangtu zawng zawngte chu mi ‘a’(fool) an ni ang’’ tiin. Tichuan, April ni 1 hi April fool tia kan lo hriatna chhan a ni ta a ni.
