실시되지 않았습니다.

[써머타임 실시시기] (한국천문연구원 만세력에 의함.)
1. 1948-06-01 00:00 ~ 1948-09-13 00:00
 2. 1949-04-03 00:00 ~ 1949-09-11 00:00
 3. 1950-04-01 00:00 ~ 1950-09-10 00:00
 4. 1951-05-06 00:00 ~ 1951-09-09 00:00
 5. 1955-05-05 00:00 ~ 1955-09-09 00:00
 6. 1956-05-20 00:00 ~ 1956-09-30 00:00
 7. 1957-05-05 00:00 ~ 1957-09-22 00:00
 8. 1958-05-04 00:00 ~ 1958-09-21 00:00
 9. 1959-05-03 00:00 ~ 1959-09-20 00:00
 10. 1960-05-01 00:00 ~ 1960-09-18 00:00
 11. 1987-05-10 02:00 ~ 1987-10-11 03:00
 12. 1988-05-08 02:00 ~ 1988-10-09 03:00