| Standard Longitude |
Period |
Related articles of regulations |
| 127.5 deg. E |
1908 Apr. 1 - 1911 Dec. 31 |
The Official Gazette No. 3994 (Imperial decree No.5) |
| 135 deg. E |
1912 Jan. 1 - 1954 Mar. 20 |
The newsletter of the (Japanese) Government-General of Korea No. 367
(Notification No.338) |
| 127.5 deg. E |
1954 Mar. 21 - 1961 Aug. 9 |
Presidential decree No. 867 (1954/ 3/ 17) |
| 135 deg. E |
1961 Aug. 10 - present |
Legislation No. 676 (1961/ 08/ 07)
Legislation No. 3919 (1986/ 12/ 31) |
