Politics North Korea to shut down its nuclear test site in May Updated : April 29, 2018 10:24 AM IST Moon and Kim during the summit promised to work toward the "complete denuclearization" of the Korean Peninsula. Yoon said Kim also revealed plans to re-adjust its current time zone to match the South's. North's decision to return to the Seoul time zone was aimed at facilitating communication with South Korea and also the United States. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.