jksta

JKSTA, or the Japan-Korea Standard Time Agreement, is an international agreement between Japan and South Korea that aims to synchronize their time zones. The agreement was signed in 1961 and came into effect in 1962. Under this agreement, both countries use the same time zone, which is 9 hours ahead of Coordinated Universal Time (UTC+9). This synchronization is beneficial for various sectors, including business, transportation, and communication, as it facilitates easier coordination and reduces confusion.

The agreement also addresses daylight saving time (DST). Both countries observe DST, but they do so at different times. Japan typically starts DST in early April and ends it in early October, while South Korea starts in early March and ends in late October. This difference in DST practices can lead to a one-hour time difference between the two countries during the DST period.

Despite the agreement, there have been instances of disputes and disagreements over the implementation of DST. In 2015, South Korea temporarily suspended its DST to align with Japan's time, but this was not a permanent solution. The issue remains a topic of discussion between the two countries, highlighting the ongoing need for coordination and mutual understanding in the implementation of time zone agreements.