Chinese phrase
几点开始签到？ jí diǎn kāi shǐ qiān dào
Meaning
What time does sign-in start?
When to use it
It asks when a sign-in process begins. It is a practical, polite question about an event schedule.
Example dialogue
明天的迎新会，几点开始签到？ míng tiān de yíng xīn huì jí diǎn kāi shǐ qiān dào
What time does sign-in start at tomorrow's orientation party?
八点半开始签到，别迟到了。 bā diǎn bàn kāi shǐ qiān dào bié chí dào le
Sign-in starts at 8:30, so don't be late.