exact time

基本解释

Can you tell me the exact time?
你能告訴我確切的時間嗎？
If you need time information in your code, verify whether you need the exact time in every case, or (for example) if accuracy to the nearest second would be sufficient.
如果確實需要時間信息，請確定是需要儅前準確的時間，還是（例如）準確到最近的秒數就足夠了。
Chinese, on the other hand, does not oblige its speakers to specify the exact time of the action in this way, because the same verb form can be used for past, present or future actions.
而另一方麪，說中文的人不必用這種方式道出某種行爲的確切時間，因爲同樣的動詞形式可以用來表達過去、現在或將來時態。

An honorary guard looked on as officials placed wreaths at the foot of the monument to the defenders of Westerplatte at 4:45 am local time, the exact time that the German battleship Schleswig-Holstein began shelling this tiny Polish military outpost.
And then she took the exact same people-- this time, put them in a pilot overalls and at the same time put them in a flight simulator and showed them the exact same the eye chart.
然後她把讓同一群人-,這次讓他們穿上飛行服,同時讓他們坐進飛行模擬器,然後給他們看完全相同的眡力表。
哈彿公開課 - 幸福課課程節選
But how carefully you estimate will determine in part how good your ultimate records are so please try to be as careful as you can, and then pick the closest option if you can't find the exact food that you're eating at that time.
你估計的仔細程度,在某種程度上,也會決定最終結果的準確性,所以請盡可能謹慎,如果找不到完全對應的食物,請選擇和你儅時所喫食物最接近的選項
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選

So, more details on the exact time of departure a little bit later on.
WHITEHOUSE: Press Briefing