Notice of System Maintenance

Scheduled for 9:00 a.m.-7:00 p.m. JST(UTC+09:00) on Saturday, 25 Feb. 2023

All JapanKnowledge services – JapanKnowledge Lib , Select Contents and JKBooks – are scheduled to become unavailable for use during the above mentioned period. We apologize for the inconvenience and appreciate your patience. Thank you for your cooperation.