estimate exactly how much time is (/how many days are) needed to complete a project; have the completion of a project well in sight; the day is not far off ❍ 中国的兴盛是可以～的。(《毛泽东选集》1324) The day is not far off when China will attain prosperity.
计日程功ji ri cheng gong
estimate exactly how much time is needed to complete a project—fast
计日程功jì rì chénɡ ɡōnɡ
程：衡量、估量；功：功效、成效。工作的成效可用日子来计算。比喻工作进展快，成效明显。have the completion of a project in sight, estimate exactly how much time is needed to complete a project, The day is not far off.