in Tuesday در مقابل on Tuesday: تفاوت چیست؟
Grammar Rule in 30 Seconds
Use 'on' for specific days and dates, and 'in' for months, years, and longer periods of time.
- Use 'on' for any single day: 'on Monday', 'on my birthday'.
- Use 'in' for months, years, and seasons: 'in July', 'in 2024'.
- Use 'at' for specific clock times: 'at 5:00 PM', 'at noon'.
مرور کلی
in، on و at یکی از چالشبرانگیزترین مباحث در مسیر یادگیری زبان انگلیسی است. در زبان فارسی، ما برای اشاره به زمان معمولاً از پسوندها یا کلمات سادهای مثل «در»، «روزِ» یا «ساعتِ» استفاده میکنیم و ساختار ما بسیار منعطفتر است. به عنوان مثال، در فارسی میگوییم «روز دوشنبه میبینمت» یا «در ساعت سه میبینمت».on Tuesday بگویید in Tuesday، بلافاصله شنونده متوجه میشود که شما غیربومی هستید. این حروف اضافه مانند لنزهای دوربین عمل میکنند؛ in برای بازههای زمانی بزرگ (مانند سالها و ماهها)، on برای سطحِ تقویم (روزها و تاریخهای خاص) و at برای نقاط دقیق و متمرکز (ساعتها) به کار میروند.- 1حرف اضافه
in: این حرف برای بازههای زمانی «فراگیر» و بزرگ استفاده میشود. در فارسی، ما برای سالها و ماهها از «در» استفاده میکنیم، اما در انگلیسیinبه معنای قرار گرفتن در داخل یک محفظه زمانی است. مثال:in 2024یاin September.
- 1حرف اضافه
on: این حرف برای روزها و تاریخهای خاص است. در فارسی، ما معمولاً میگوییم «روزِ جمعه»، اما انگلیسیزبانها روز را به عنوان یک «سطح» (Surface) میبینند که رویداد روی آن قرار میگیرد. مثال:on Fridayیاon my birthday.
- 1حرف اضافه
at: این حرف برای نقاط بسیار دقیق در زمان است. در فارسی ما برای ساعت از «ساعتِ» استفاده میکنیم، اما در انگلیسیatبرای نشان دادن یک لحظه خاص به کار میرود. مثال:at 5:00 PMیاat noon.
morning، afternoon و evening از in استفاده میکنند و برای night از at استفاده میکنند که این یک تفاوت کلیدی است که باید به خاطر سپرده شود.in | in summer, in 2025 |on | on Monday, on July 4th |at | at 8:30, at midnight |The meeting is on Monday at 9:00 AM. (جلسه در روز دوشنبه ساعت ۹ صبح است). توجه کنید که در این جمله، on برای روز و at برای ساعت به کار رفته است.on برای روزها و at برای ساعتها، حرفهای بودن شما را نشان میدهد. برای مثال: «I will send the report on Friday at 2 PM.»next یا this نیازی به حرف اضافه ندارید. مثلاً میگویید: «See you next Monday.» این یکی از نکات ظریف زبان انگلیسی است که تفاوت بین یک زبانآموز متوسط و یک فرد مسلط را مشخص میکند.- 1استفاده از
inبرای روزها: بسیاری از فارسیزبانان به دلیل ساختار «در روز جمعه»، ازin Fridayاستفاده میکنند. این اشتباه است چون روزها در انگلیسی «سطح» هستند وonمیگیرند.
- 1تکرار حرف اضافه با
nextوthis: فارسیزبانان تمایل دارند بگویندon next Mondayچون در فارسی میگوییم «در دوشنبه بعدی». در انگلیسی، کلماتnextوthisخودشان زمان را مشخص میکنند و نیازی به حرف اضافه ندارند.
- 1نادیده گرفتن استثنای
at night: چون در فارسی میگوییم «در شب»، بسیاری از زبانآموزان به اشتباه ازin the nightاستفاده میکنند. در حالی کهat nightعبارت استاندارد است.
on [day] | انگلیسی از on برای سطح استفاده میکند |in [month] | هر دو از مفهوم «درون» استفاده میکنند |at [time] | انگلیسی از at برای نقطه دقیق استفاده میکند |- 1آیا همیشه باید از حرف اضافه استفاده کنیم؟ خیر، وقتی از کلماتی مثل
next،last،thisیاeveryاستفاده میکنیم، حرف اضافه حذف میشود.
- 1چرا برای
morningازinاستفاده میکنیم اما برایnightازat؟ این یک قرارداد زبانی است؛nightبه عنوان یک نقطه زمانی کوتاه و مشخص دیده میشود، اماmorningیک بازه طولانیتر است.
- 1اگر بخواهم بگویم «در طول روز»، از چه حرفی استفاده کنم؟ از
during the dayاستفاده کنید. این عبارت برای بیان تداوم یک رویداد در یک بازه زمانی بسیار مناسب است.
Preposition Selection Guide
| Preposition | Time Unit | Examples |
|---|---|---|
|
AT
|
Specific Points / Clock
|
at 5:00, at noon, at midnight
|
|
ON
|
Days (24 Hours)
|
on Monday, on Tuesday, on Christmas Day
|
|
ON
|
Dates
|
on May 5th, on 10/12/2023
|
|
IN
|
Parts of Day
|
in the morning, in the afternoon
|
|
IN
|
Months
|
in July, in September
|
|
IN
|
Seasons
|
in summer, in winter
|
|
IN
|
Years / Decades
|
in 1999, in the 80s
|
|
IN
|
Long Periods
|
in the past, in the future
|
Meanings
Prepositions of time are small words used to indicate when something happens. 'On' is the standard preposition for 24-hour periods (days), while 'in' is used for broader timeframes.
Specific Days
Using 'on' to denote a specific day of the week or a calendar date.
“See you on Tuesday.”
“The party is on October 5th.”
Parts of the Day
Using 'in' for general periods within a day, except for 'night'.
“I study in the morning.”
“She works in the afternoon.”
Longer Periods
Using 'in' for months, seasons, years, decades, and centuries.
“It snows in winter.”
“He was born in 1995.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Subject + Verb + on + Day
|
The game is on Friday.
|
|
Negative
|
Subject + Verb (neg) + in + Month
|
It doesn't rain much in July.
|
|
Question
|
Preposition + Day + ...?
|
Are you free on Wednesday?
|
|
Date Focus
|
on + Month + Day
|
The exam is on May 12th.
|
|
Month Focus
|
in + Month
|
The exam is in May.
|
|
Day Part
|
on + Day + Part
|
I'll call you on Monday evening.
|
|
General Part
|
in + the + Part
|
I'll call you in the evening.
|
طیف رسمیت
The meeting is scheduled to take place on Tuesday. (Scheduling)
I'll see you on Tuesday. (Scheduling)
See you Tuesday! (Scheduling)
Link up Tues? (Scheduling)
The Time Pyramid
AT (Specific)
- 9:00 AM at 9:00 AM
- Noon at noon
ON (Days)
- Tuesday on Tuesday
- Birthday on my birthday
IN (Periods)
- August in August
- 2024 in 2024
Day vs. Month
Which Preposition Should I Use?
Is it a specific clock time?
Is it a 24-hour day or date?
Common Time Phrases
Days
- • on Monday
- • on Friday
- • on Sunday
Months
- • in May
- • in July
- • in December
Times
- • at 1:00
- • at 6:30
- • at midnight
مثالها بر اساس سطح
I see you on Monday.
My birthday is in December.
We go to the park on Sunday.
It is cold in winter.
The meeting is on June 10th.
I like to exercise in the morning.
She was born in 2010.
What do you do on weekends?
I'll finish the report on Tuesday morning.
The festival takes place in the spring.
We moved to London in the nineties.
I have an appointment on the 3rd of July.
The project must be completed in three weeks.
On arriving at the station, I realized I forgot my ticket.
The treaty was signed on a cold day in January.
I'm usually very busy in the run-up to Christmas.
The company was founded on the cusp of the technological revolution.
In the intervening years, much has changed.
The lecture is on Tuesday, provided the hall is available.
He works best in the dead of night.
On the stroke of midnight, the new law came into effect.
The traditions have been preserved in their entirety for centuries.
I’ll be with you in but a moment.
On the eve of the election, the polls were tied.
بهراحتی اشتباه گرفته میشود
Learners often use them interchangeably, but they have different meanings.
Learners wonder why 'night' doesn't follow the 'in the morning' pattern.
Learners often say 'on next Tuesday'.
اشتباهات رایج
I see you in Tuesday.
I see you on Tuesday.
My birthday is on July.
My birthday is in July.
I study at the morning.
I study in the morning.
The party is in 5th May.
The party is on 5th May.
I go to bed in night.
I go to bed at night.
We meet on 2024.
We meet in 2024.
I'll see you on next Monday.
I'll see you next Monday.
The class is in 10:00.
The class is at 10:00.
I'm busy in the weekend.
I'm busy on the weekend.
The meeting is in Tuesday morning.
The meeting is on Tuesday morning.
I graduated on 2015.
I graduated in 2015.
I'll be there on five minutes.
I'll be there in five minutes.
In the day of the wedding...
On the day of the wedding...
The shop is closed in public holidays.
The shop is closed on public holidays.
He arrived in the noon.
He arrived at noon.
I'll see you on the morning.
I'll see you in the morning.
الگوهای جملهسازی
I have a ___ on ___.
My birthday is in ___.
We are going to ___ in ___.
I'll meet you at ___ on ___.
Real World Usage
See you on Friday!
The deadline is on October 12th.
I want to fly in June.
I started my last job in 2018.
Your appointment is at 3:00 on Wednesday.
Throwback to my trip in 2022!
The Calendar Rule
Avoid 'In Monday'
Day Parts
Weekend Variation
Smart Tips
Always use 'on' if the day/date is included, even if the year is there.
Delete the preposition! These words act as the preposition themselves.
Think of 'night' as a single point in time, so use 'at'.
The specific day name always forces the use of 'on'.
تلفظ
Reduction of 'on'
In fast speech, 'on' is often unstressed and sounds like /ən/.
Linking 'in'
When 'in' is followed by 'the', it often blends: 'in-the' /ɪnðə/.
Time Emphasis
I'll see you ON Tuesday (not Wednesday).
Stress the preposition to clarify the specific day.
حفظ کنید
روش یادسپاری
ON the day, IN the month, AT the time.
تداعی تصویری
Imagine standing ON a single square of a calendar (a day). Now imagine being trapped INside a giant box labeled 'JULY' (a month).
Rhyme
On a day, in a year, at a time—the rules are clear!
Story
On Tuesday, I woke up in the morning at 7:00. I realized that in December, on my birthday, I will be in Hawaii!
شبکه واژگان
چالش
Write down three things you did yesterday and three things you will do next month, using 'on' and 'in' correctly.
نکات فرهنگی
British speakers often say 'at the weekend', whereas Americans say 'on the weekend'. Both are correct, but 'at' is more traditional in the UK.
Americans almost exclusively use 'on the weekend'. Using 'at' might sound slightly foreign or overly formal to an American ear.
In professional emails, dropping the preposition (e.g., 'The meeting is Tuesday') can sometimes seem too casual. It is safer to include 'on'.
The word 'on' comes from Old English 'on/an', which originally meant 'above' or 'upon'. 'In' comes from 'inn', meaning 'within'.
شروعکنندههای مکالمه
What do you usually do on Saturdays?
When is your birthday?
What are your plans for the weekend?
Which season do you like best?
موضوعات نگارش
اشتباهات رایج
Test Yourself
I have a meeting ___ Monday.
Which sentence is correct?
Find and fix the mistake:
I will see you in Tuesday.
The party is (the 5th of October).
Match each item on the left with its pair on the right:
We use 'in' for parts of the day like 'morning' and 'afternoon'.
A: When is the concert? B: It's ___ Saturday ___ night.
born / I / in / was / 1998.
Score: /8
تمرینهای عملی
8 exercisesI have a meeting ___ Monday.
Which sentence is correct?
Find and fix the mistake:
I will see you in Tuesday.
The party is (the 5th of October).
1. 2025, 2. Friday, 3. 6:00 PM
We use 'in' for parts of the day like 'morning' and 'afternoon'.
A: When is the concert? B: It's ___ Saturday ___ night.
born / I / in / was / 1998.
Score: /8
Practice Bank
12 exercisesI will see you ___ next week.
Choose the correct sentence:
The party is at Saturday, on 8 PM.
She started her new job ___ the beginning of May.
Arrange these words into a sentence:
Translate into English: 'La película empieza en diez minutos.'
Match the time expressions with the correct prepositions:
Choose the correct sentence:
The project is due ___ the end of the month.
We are meeting on next Tuesday to review the slides.
Arrange these words into a sentence:
Translate into English: 'Nos vemos el martes.'
Score: /12
سوالات متداول (8)
No, you should say `on Tuesday morning`. If the name of the day is present, 'on' is the correct preposition.
This is an idiomatic exception in English. While most parts of the day use 'in', 'night' has historically used 'at'.
Neither is 'better'. `On the weekend` is standard in American English, while `at the weekend` is common in British English.
No. Words like 'tomorrow', 'yesterday', 'today', 'next week', and 'last month' do not take prepositions.
Use `in`. For example, 'in summer', 'in winter', or 'in the spring'.
No, you must say `in July`. However, if you add a date, you use 'on': `on July 4th`.
Use `at`. They are specific points in time, just like 12:00.
`On time` means punctual. `In time` means early enough to do something.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
en
English requires 'on' for days and 'in' for months.
le / en
English uses 'on' for days, whereas French uses the definite article.
am / im
The logic is very similar, making it easier for German speakers.
ni (に)
Japanese uses one particle where English uses three (at/on/in).
fi (في)
Arabic speakers must learn to split 'fi' into 'on' and 'in'.
zai (在)
English prepositions are mandatory and varied, unlike Chinese.
Learning Path
Prerequisites
ویدیوهای مرتبط
Related Grammar Rules
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