Based on my reading:
JMSDF announces on 4/7-9 of 5 Reiwa (2023), Chinese navy Shandong carrier (naval number 17) and multiple naval vessels, were found cruising at the following places in the Pacific, with the following confirmed vessels.
4/7, 8 PM: Miyako-jima, south, 390 km. Shandong carrier (17), Luyang 3 052D (163), Jiangwei 2 054A (573), AOR (905)
4/8, 8 PM: Miyako-jima, south, 430 km. Shandong carrier (17), Luyang 3 052D (163), Jiangwei 2 054A (536, 573), AOR (905)
4/9, 8 PM: Miyako-jima, south, 230 km. Shandong carrier (17), Luyang 3 052D (163), Jiangwei 2 054A (536, 573), AOR (905)
Within this time, Chinese navy's Shandong carrier's air wing had 80 sorties with carrier based planes and 40 sorties with ???, totaling 120 sorties confirmed.
MSDF squadron 13 at Sasebo and squadron 4 at Kure gathered information, warned and tracked the ships. ASDF conducted emergency intercepts of the air wing.