👥 Meetings English中文版
What does “9 o'clock sharp” mean?
at 9 o'clock sharp
/naɪn əˈklɒk ʃɑːp/
＝ exactly at 9 o’clock, not one minute later
You see it in meeting invites, training notices and reminders from your manager. It means “we start on time and will not wait”. Sharp always goes after the time.
In plain English
Think of sharp as the edge of a knife: very thin and very exact.
9 o’clock sharp means the time is that exact: we start at 9:00, not 9:05 and not “about 9”.
Watch the word order: say at 9 sharp or at 9 o’clock sharp. Sharp comes after the time. Never say “sharp 9”.
7 meanings of sharp
- at 9 sharpat exactly that timeWork
The meeting starts at 9 sharp.
- sharp (knife / edge)able to cut easilyGeneral
Be careful — that knife is very sharp.
- a sharp mind / sharpquick to understand and notice thingsCommon
Our new intern is really sharp. She spotted the problem in five minutes.
- a sharp rise / dropsudden and big (about numbers going up or down)Business / News
There was a sharp drop in sales after the typhoon.
- look sharpto look smart and well dressed; (British) hurry upCasual
You look sharp in that suit. Big interview today?
- a sharp tonguea way of speaking that is unkind or hurts peopleGeneral
He is good at his job, but he has a sharp tongue.
- C sharpa note a little higher than CMusic
The song is in C sharp minor.
Sentence patterns
| Pattern | Example |
|---|---|
| at time sharp | Please arrive at 10 a.m. sharp. |
| at number o'clock sharp | The bus leaves at 8 o'clock sharp. |
| start / begin / finish + time sharp | We'll finish at 6 sharp, so you can catch your train. |
| on the dot / on time | She arrived at 9 on the dot. |
Real-life examples
📧 A meeting invite
Hi all, the quarterly review is on Monday in Room 12A. We'll start at 9 o'clock sharp, as the CEO has another meeting at 10.
🎓 A training notice
HR: The fire safety training begins at 2 p.m. sharp. Late arrivals will not be let in.
Staff: Got it. I'll be there by 1:50.
💬 A reminder from the manager
Manager: Tomorrow's client is very strict about time. Be in the lobby at 8:30 sharp.
Eric: No problem. I'll leave home early in case the MTR is delayed.
Common mistakes
✗ The meeting starts at sharp 9.
✓ The meeting starts at 9 sharp.
Sharp always goes after the time: “9 sharp”, not “sharp 9”.
✗ The meeting starts at 9 o'clock sharp a.m.
✓ The meeting starts at 9 a.m. sharp.
Put sharp at the very end. With a.m. or p.m. you usually drop “o’clock”.
✗ Please be in time for 9 sharp.
✓ Please be there at 9 sharp.
“In time” means “not too late”. It does not go with sharp. Say “be there at 9 sharp” or “be on time”.
✗ The meeting starts at 9 o'clock sharp, please don't late.
✓ The meeting starts at 9 o'clock sharp, so please don't be late.
“Late” is an adjective, not a verb, so say “don’t be late”. Join the two parts with “so”.
Before and after ✨
A reminder to be on time, rewritten with Dictionify’s Polish: removed words are crossed out and new words are highlighted.
Dear all, tomorrow meeting will start on 9:00am sharp. Please come on time and don't late, because the boss will join. Thank you for your attention.
Dear Hi all, tomorrow a quick reminder: tomorrow's meeting starts at 9 a.m. sharp, and our director will start on 9:00am sharp. be joining. Please come be there a few minutes early so we can start on time and don't late, because the boss will join. Thank you for your attention. time. Thanks!
- tomorrow meeting → tomorrow’s meeting: you need the ’s. on 9:00am → at 9 a.m.: use “at” for clock times.
- come on time and don’t late says the same thing twice and has a grammar mistake. be there a few minutes early is clearer and more polite.
- Thank you for your attention sounds like the end of a speech. In a message, Thanks! is enough.
Similar and opposite phrases
| Phrase | Meaning | Difference |
|---|---|---|
| on the dot | exactly at that time | Same as sharp, and it also goes after the time: “at 9 on the dot”. A bit more casual. |
| on time | at the agreed time | Means not late, but not as exact as sharp. |
| in time | early enough, not too late | You made it before something started, e.g. “in time for the meeting”. |
| promptly at 9 | exactly at 9, quickly and on time | More formal, for official notices. “Promptly” goes before the time. |
Opposite: around 9 / 9-ish (at about 9, not exactly); running late (going to be late)
Quick quiz
Pick an answer to check it straight away.
Which sentence is correct?
Answer: C. Sharp goes at the end of the time: “at 2 p.m. sharp”.
“Please arrive at 9 on the dot.” means…
Answer: A. “On the dot” means the same as sharp: exactly on time.
“Sales saw a sharp rise in March.” Here “sharp” means…
Answer: B. With numbers, a sharp rise or drop is a sudden, big change.
FAQ
Is there a difference between “9 sharp” and “9 o’clock sharp”?
No, they mean the same. “9 sharp” is shorter and more casual. With “9 a.m.” or “9:30” you usually drop “o’clock”: “at 9:30 sharp”.
Does “sharp” sound too strong with a manager or client?
“We’ll start at 9 sharp” in an invite is normal: it just says the meeting starts on time. But “Be here at 9 sharp” sounds like an order. Try “We’ll start promptly at 9, so please arrive a few minutes early.”
What is the difference between “on time” and “in time”?
“On time” means at the agreed time: “The train was on time.” “In time” means early enough, not too late: “I got there in time for the presentation.”
What do I say if I am going to be late?
Say “I’m running about ten minutes late. Sorry!” or “I’m stuck in traffic. I’ll be there by 9:15.” Give a time, so people can decide whether to start without you.
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