截至 + Time Expression
截至 (jiézhì) is a preposition meaning 'up to,' 'as of,' or 'by (a certain date or time).' It is used to specify a deadline or cutoff point in time, and is common in news reports and official statements, as in 截至目前 (as of now).
截至目前,已有三百多人报名参加。
Jiézhì mùqián, yǐ yǒu sānbǎi duō rén bàomíng cānjiā.
As of now, more than three hundred people have signed up.
截至上个月底,销售额超过了五千万。
Jiézhì shàng gè yuè dǐ, xiāoshòu'é chāoguò le wǔqiān wàn.
As of the end of last month, sales exceeded fifty million.
截至今天下午,救援工作仍在继续。
Jiézhì jīntiān xiàwǔ, jiùyuán gōngzuò réng zài jìxù.
As of this afternoon, rescue operations are still ongoing.