Khawvel pum huap anga hmuah hlawh leh upa ber chu Kumthar hi a ni. Babylon khawpui Mesopotamia ah khan kum 4,000 vel kalta atangin Kumhlui thlahin an lawm thin a ni. Kumthar hmuah hi khawvel sana a inan loh avangin darkar 26 ngawt a daih a ni.

Pacific tuipuia thliarkar te reuh te te awm khawm  Tonga, Kiritimati, Samoa, adt. chuan Kumthar an lawm hmasa ber a. December ni 31, tlai dar 3:30 (IST) ah Kumhlui an vailiam a, Europe ram thenkhat  chuan chawhma thingpui an in laih laih chauh. 

United States bula Baker Island leh Howland te chuan Indian Standard Timing ang chuan January ni 1, 2023, tlai dar 5:30 Kumhlui an mangtha ve chauh a, Kumthar an lut tlai ber a ni.