Xīngqíliù
ㄒㄧㄥ ㄑㄧˊ ㄌㄧㄡˋ
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
昨天星期六。
zuótiān Xīngqíliù
Yesterday was Saturday.
Keep 星期六 and it comes back until you know it.