xīngqítiān
ㄒㄧㄥ ㄑㄧˊ ㄊㄧㄢ
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
星期天幾號?
xīngqítiān jǐhào
What is the date on Sunday?
Keep 星期天 and it comes back until you know it.