zhòuyèpíngfēndiǎn
ㄓㄡˋ ㄧㄝˋ ㄆㄧㄥˊ ㄈㄣ ㄉㄧㄢˇ
Simplified 昼夜平分点
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 晝夜平分點 and it comes back until you know it.