o'clock (adj.) c.1720, abbreviation of of the clock (1640s), from Middle English of the clokke (late 14c.). The usage of o' as a shortened way to say of is not uncommon (this is called an apocopic form, when the last syllable or consonant is left unpronounced). Many o' these are relatively rare in written form, but you might see them when an ...

2018年3月20日 · It's 3 o'clock (3:00 or 15:00 depending on context) It's 7 o'clock in the morning (7:00) We will meet at 12 noon, correct? (The meeting is at 12:00) I woke up yesterday morning at 2 o'clock. (The speaker woke up yesterday at 2:00) It is 1(am/pm) It common to leave out the o'clock or am/pm when there is no ambiguity when speaking. For example,

2019年5月13日 · It's also ok to say "o'clock" when it's not needed, like "from nine o'clock to ten o'clock", "from nine o'clock to ten thirty", but it sounds more formal. – Glenn Willen Commented May 13, 2019 at 2:06

2020年4月19日 · 7:00 – It’s seven o’clock in the morning. 8:00 – It’s eight o’clock in the morning. 9:00 – It’s nine o’clock in the morning. 10:00 – It’s ten o’clock in the morning. 11:00 – It’s eleven o’clock in the morning. 12:00 – It’s twelve o’clock noon. = It’s twelve o’clock midday.

Tell me please of the preposition "at" is optional in the following sentence. Yesterday I went to sleep (at) around 9 o'clock. I have heard a native speaker say it without at. Did he make a gra...

2015年3月26日 · 1:55 (o'clock) sharp 1:55 (o'clock) on the dot 10:23 (o'clock) sharp 10:23 (o'clock) on the dot . Note I checked ten online English Dictionaries and only one gives an example of other than the top of the hour or the bottom of the hour. Is there any significance to this? Also, does using o'clock in any of the times phrases above change anything?

2015年9月15日 · (which is 10:00 sharp) - this is very specific time-wise, you'll arrive on the dot - 10 o'clock sharp. "I will come in time." (there's a time limit and you'll arrive within that acceptable time limit) - earlier than 10:00 or 10:00 sharp.

2016年10月30日 · The two sentences are different. We say "The museum opens at 9 o'clock" (verb to open) and "The museum is open at 9 o'clock." (open is an adjective and complement of the copula.) Either one is fine, although the former is more idiomatic in the declarative. In the interrogative, we would usually use the does form. –

2015年3月24日 · I suspect this is because at the hour or half hour, the hands on a clock are straight up and down. This is the only time we use 'sharp' or 'on the dot.' My flight arrives at 10 o'clock sharp. But not my flight arrives at 10:55 (or 3:43,etc) sharp or on the dot. So we have Idioms, but we also have when we use them. –

Say that the doors will open only at 9 o'clock, 10 o'clock, 11 o'clock, 12 o'clock etc. How do I phrase the following sentence correctly? Make sure to be there every full hour. Is the word "full"