B1 Confusable-words 14 min read 简单

Daytime 与 Day-time: 有什么区别?

daytime is the time itself; day-time describes a thing that happens during that time.

Grammar Rule in 30 Seconds

In modern English, 'daytime' is almost always written as one word without a hyphen.

  • Use 'daytime' (one word) for the period of light between sunrise and sunset. Example: 'I love the daytime.'
  • Avoid 'day-time' (hyphenated) as it is considered an outdated or archaic spelling in most modern dictionaries.
  • Use 'daytime' as an adjective before nouns without adding a hyphen. Example: 'daytime television' is standard.
☀️ + ⏰ = Daytime (No Hyphen!)

Overview

### Overview
在学习英语的过程中,我们经常会遇到一些看起来非常相似,但用法却截然不同的词汇。daytimeday-time 就是典型的例子。很多同学在写作文或者发邮件时,经常会随意地加上或删掉那个小小的连字符(hyphen)。在英语语法中,这不仅仅是拼写问题,更涉及到词性(part of speech)的根本区别。对于我们中文母语者来说,理解这一点非常重要,因为中文里没有这种“词性随拼写形式改变”的规则。
中文里,我们说“白天”或者“白天的”,无论它是名词还是形容词,汉字本身是不变的。比如:“白天很长”和“白天的工作”,我们用的都是“白天”。但在英语里,daytime(不带连字符)是一个名词,表示“白天”这一段时间;而 day-time(带连字符)则是一个复合形容词,用来修饰后面的名词。如果用错了,虽然外国人可能听得懂,但你的表达会显得很不地道。这就像在中文里把“我吃饭”说成“吃饭我”一样,虽然意思传达了,但语法结构是错误的。掌握这个区别,能让你的英语表达在 微信 聊天或 大学 作文里显得更加专业和严谨。
### How This Grammar Works
要彻底搞懂这两个词,我们需要从英语的词性分类入手。在英语语法中,daytime 是一个“闭合复合词”(closed compound word),它作为一个整体名词使用。你可以把它理解为中文里的“白天”这个时间段概念。因为它是一个名词,所以它可以在句子里充当主语(subject)或者宾语(object)。例如:The daytime is hot.(白天很热),这里的 daytime 就是主语。
相比之下,day-time 是一个“复合形容词”(compound adjective)。在英语中,当两个或多个词共同修饰一个名词时,为了让意思表达更清晰,我们通常会用连字符把它们连起来。这在中文语法里是没有对应结构的,中文通常直接用“的”字短语或者直接修饰。比如中文说“白天的会议”,英语里为了体现 daytime 的紧密关系,必须使用 day-time meeting。如果不加连字符,写成 day time meeting,读者可能会困惑:到底是“白天的会议”还是“白天的时间、会议”?连字符就像是一个强力胶,把这两个词粘在一起,告诉读者:“请把这两个词看作一个整体来修饰后面的名词。”
### Formation Pattern
为了方便记忆,你可以参考下表,这是最核心的用法规律:
| 语法功能 | 形式 | 对应中文 | 示例 |
| :--- | :--- | :--- | :--- |
| 名词 (Noun) | daytime | 白天、昼间 | The daytime is long. |
| 复合形容词 (Adjective) | day-time | 白天的、日间的 | a day-time job |
你可以记住这个口诀:“名词不连,形容词要连”。当你想要表达“白天”这个时间段本身时,直接用 daytime;当你想要描述某个事物是“白天的”时,记得加上连字符 day-time。例如,如果你在 淘宝 上买衣服,你可能会问卖家:“这件衣服适合 day-time wear(日间穿搭)吗?”这里就是形容词用法。
### When To Use It
使用 daytime 的场景通常是讨论时间段本身。比如在 朋友圈 分享生活时,你可以说:I prefer to go hiking in the daytime.(我更喜欢在白天去徒步)。这里 daytimein 的宾语,指代白天的这段时间。它和 nighttime 是对应的,就像中文里的“白天”和“晚上”。
使用 day-time 的场景则是为了限定某个名词的属性。比如你在安排 大学 的课程,你可以说:I have a busy day-time schedule.(我有一个繁忙的日间日程)。这里的 day-time 明确了是“白天的”日程,而不是晚上的。再比如在 外卖 订餐时,某家店可能提供 day-time menu(日间菜单),这就是为了区分晚上的菜单。这种用法在商务英语和日常描述中非常普遍,它能让你的句子更加精确,避免歧义。
### Common Mistakes
  1. 1误将复合形容词当作名词使用:很多同学会写出 I will see you in the day-time. 这样的句子。这是错误的,因为 in the 后面必须接名词,而 day-time 是形容词。正确写法是 I will see you in the daytime.
  2. 2在名词用法中加连字符:受连字符规则的影响,有些同学会过度使用,导致写出 The day-time is hot. 这种句子。记住,只要它表示时间段本身,就不要连字符。
  3. 3遗漏连字符导致歧义:在写 day-time job 时,如果不加连字符写成 day time job,在英语母语者看来,这会显得很不专业,因为这不符合复合形容词的拼写规范。这是典型的 L1 干扰,因为我们在中文里不需要考虑这种拼写形式的转换。
### Contrast With Similar Patterns
除了 daytime,英语中还有很多类似的复合词。比较如下:
| 结构类型 | 例子 | 解释 |
| :--- | :--- | :--- |
| 名词 | daytime | 表示一段时间 |
| 复合形容词 | day-time | 修饰名词,如 day-time work |
| 独立词组 | day time | 极少见,除非 day 是强调词 |
### Quick FAQ
Q1: daytimeday time 有区别吗?
A: daytime 是标准写法,表示白天。day time 两个词分开写是不规范的,除非在极特殊的强调语境下,否则请务必写成 daytime
Q2: 所有的复合词都要加连字符吗?
A: 不是。随着语言演变,很多复合词已经合并为一个词(如 daytime),而有些为了保持清晰度则需要连字符(如 day-time)。这需要平时多阅读积累。
Q3: 如果我写成 daytime job 会被扣分吗?
A: 在 B1 级别,这通常可以被理解,但 day-time job 确实更符合语法规范。老师更希望看到你使用连字符来体现对复合形容词规则的掌握。

Usage of 'Daytime' as Noun vs. Adjective

Function Position Example Common Collocations
Noun
After prepositions (in/during)
I sleep in the daytime.
in the daytime, during the daytime
Adjective
Before a noun
I watch daytime TV.
daytime television, daytime temperatures
Subject
Start of a sentence
Daytime is for working.
Daytime hours, Daytime sky
Object
After a verb
I enjoy the daytime.
prefer the daytime, enjoy the daytime

Meanings

The period of time during the day between dawn and dusk when there is natural light.

1

Noun: The period of light

Refers to the specific block of time when the sun is up.

“In the daytime, the city is very crowded.”

“He sleeps during the daytime because he works at night.”

2

Adjective: Occurring during the day

Used to describe things that happen or exist during daylight hours.

“She enjoys watching daytime talk shows.”

“The museum offers daytime tours for students.”

3

Archaic/Variant: Day-time

An older spelling of the same concept, occasionally found in 19th-century literature.

“The travelers rested in the day-time.”

“Old manuscripts often used the hyphenated day-time.”

Reference Table

Reference table for Daytime 与 Day-time: 有什么区别?
Form Structure Example
Affirmative
Subject + Verb + daytime
The daytime is long in summer.
Negative
Subject + Verb (neg) + daytime
I don't like the daytime heat.
Question
Verb + Subject + daytime?
Do you work in the daytime?
Adjective
daytime + Noun
She loves daytime soap operas.
Prepositional
during/in + the + daytime
It's quiet during the daytime.
Comparison
more + adjective + in the daytime
It is more beautiful in the daytime.

正式程度

正式
I am occupied during the daytime hours.

I am occupied during the daytime hours. (work schedule)

中性
I'm busy in the daytime.

I'm busy in the daytime. (work schedule)

非正式
I'm busy during the day.

I'm busy during the day. (work schedule)

俚语
I'm tied up all day long.

I'm tied up all day long. (work schedule)

The World of Daytime

Daytime

Media

  • Television TV shows during the day
  • Radio Broadcasts

Nature

  • Sunlight Natural light
  • Diurnal Active in daytime

Work

  • Shift Working hours
  • Commute Travel to work

Daytime vs. Night-time

Daytime
Always one word daytime
No hyphen daytime TV
Night-time
Often hyphenated night-time
Can be one word nighttime

Should I use a hyphen?

1

Are you writing about the time when the sun is up?

YES
Go to next step
NO
Use a different word
2

Is it the word 'daytime'?

YES
Write it as ONE word (no hyphen)
NO
Check other rules

按水平分级的例句

1

I sleep in the daytime.

I sleep during the day.

2

The daytime is hot.

The hours of light are hot.

3

I like daytime TV.

I like television shows during the day.

4

Birds sing in the daytime.

Birds sing when it is light.

1

It is safer to walk in the daytime.

Walking is safer when there is light.

2

We have many daytime activities planned.

We have activities for the day.

3

The daytime sky is blue.

The sky during the day is blue.

4

She works a daytime job.

She has a job during the day.

1

Daytime temperatures are expected to rise.

Temperatures during the day will go up.

2

The museum is only open during the daytime.

The museum closes at night.

3

I prefer daytime flights because I can see the view.

Flights during the day are better for me.

4

Most daytime talk shows are quite similar.

TV shows in the afternoon are alike.

1

The transition from daytime to dusk is beautiful here.

The change from day to evening is nice.

2

Daytime running lights are mandatory for cars in this country.

Cars must have lights on during the day.

3

The city's daytime population doubles due to commuters.

More people are in the city during the day.

4

He struggled to adjust to a daytime schedule after years of night shifts.

Changing to day work was hard.

1

The artist captured the harshness of the daytime sun.

The painting showed the strong sun.

2

Daytime nesting habits vary significantly between species.

Animals have different habits during the day.

3

The film utilizes natural daytime lighting to create a sense of realism.

Real light was used in the movie.

4

Economic activity during the daytime remains the primary driver of the local market.

Day business is the most important.

1

The poem juxtaposes the chaotic daytime with the serene night.

The poem compares day and night.

2

The shift toward closed compounds like 'daytime' reflects a broader orthographic trend.

Writing 'daytime' as one word is part of a trend.

3

Daytime visibility was severely hampered by the unexpected fog.

You couldn't see well during the day.

4

The architectural design maximizes daytime illumination through expansive skylights.

The building uses a lot of natural light.

容易混淆

Daytime vs. Day-time: What's the Difference? 对比 Daytime vs. Daily

Learners often use 'daily' when they mean 'during the day'.

Daytime vs. Day-time: What's the Difference? 对比 Daytime vs. Day time (two words)

Thinking they are separate words because they are two nouns.

Daytime vs. Day-time: What's the Difference? 对比 Daytime vs. Daylight

Using 'daytime' to refer to the light itself.

常见错误

day time

daytime

It should be one word, not two.

day-time

daytime

The hyphen is not used in modern English.

in daytime

in the daytime

You usually need the article 'the' when using it as a noun.

daytimes

daytime

It is usually an uncountable noun.

a day-time job

a daytime job

Even as an adjective, it doesn't need a hyphen.

during daytime

during the daytime

Missing the definite article.

day time TV

daytime TV

Should be a single word.

day-time temperatures

daytime temperatures

Modern style guides prefer the closed form.

daily time

daytime

Using 'daily' (frequency) instead of 'daytime' (period).

daytime's heat

the daytime heat

Using a possessive instead of a compound adjective.

day-time

daytime

Appears archaic in professional writing.

day time

daytime

Incorrect in a formal compound noun context.

day-time running lights

daytime running lights

Specific technical terms still use the closed form.

句型

I usually ___ in the daytime.

The ___ is much better during the daytime.

Daytime ___ can be very ___.

Despite the ___, I prefer to ___ in the daytime.

Real World Usage

TV Guide very common

Check the daytime schedule for the news.

Weather Forecast constant

Daytime highs will reach 25 degrees.

Job Interview common

I am looking for a position with daytime hours.

Nature Documentary common

These predators are rarely seen in the daytime.

Texting a Friend very common

Can't talk now, too busy in the daytime. Call u tonight!

Car Manual occasional

Ensure daytime running lights are functional.

💡

The 'One Word' Rule

If you are ever in doubt, just remember that 'daytime' is always one word. You will never be wrong writing it that way in modern English.
⚠️

Hyphen Confusion

Don't let 'night-time' confuse you. Even though you see hyphens there, 'daytime' has moved past that stage of evolution.
🎯

Adjective Usage

When using 'daytime' as an adjective (e.g., daytime TV), you don't need a hyphen because the word is already a single unit. This is a common mistake even for native speakers!
💬

TV Slang

In the media industry, people often just say 'Daytime' to refer to the whole industry of daytime television. 'He works in Daytime.'

Smart Tips

Always use 'daytime' as one word. These are the most common places you'll see it.

I love day time weather. I love daytime weather.

Think of the sun. The sun is one solid circle. 'Daytime' is one solid word.

The day-time sky. The daytime sky.

Be careful! You might see 'night-time' with a hyphen, but don't let it trick you into hyphenating 'daytime'.

Day-time and night-time. Daytime and night-time.

Remember that it doesn't need a hyphen even before a noun, because it's already a single word.

A day-time appointment. A daytime appointment.

发音

/ˈdeɪ.taɪm/

Stress Pattern

The stress is on the first syllable 'DAY'.

DAY-time

Vowel Sounds

Both 'a' and 'i' are long vowels (diphthongs).

Falling intonation

I love the daytime. ↘

Standard statement of fact.

记住它

记忆技巧

Daytime is like the sun: it's one big, bright thing, so keep it as one big, bright word!

视觉联想

Imagine the words 'Day' and 'Time' being welded together by a bright sunbeam. The heat is so strong that they melt into a single word: daytime.

Rhyme

When the sun is high and the sky is blue, 'daytime' is one word, through and through.

Story

Once, 'Day' and 'Time' were neighbors with a fence (a hyphen) between them. But they liked each other so much that they tore down the fence and became one single family called 'Daytime'.

Word Web

daylightsunshinenoonafternoonmorningdiurnalsunrise

挑战

Write three sentences about your favorite thing to do when the sun is up, using the word 'daytime' in each one. Check that you haven't used any hyphens!

文化笔记

'Daytime TV' has a specific cultural connotation, often associated with soap operas, talk shows, and game shows aimed at people who are at home during the day.

In many large cities, the 'daytime population' is a key metric for urban planners, as it includes millions of commuters who aren't there at night.

While both use 'daytime', British English is much more likely to keep the hyphen in 'night-time', creating a slight inconsistency in the language.

Derived from Old English 'dæg' (day) and 'tīma' (time).

对话开场白

Do you prefer the daytime or the nighttime?

What are the daytime temperatures like in your city during summer?

If you had to work a night shift, how would you spend your daytime?

How has daytime television changed in your country over the last decade?

日记主题

Describe a perfect day from sunrise to sunset. Use the word 'daytime' at least twice.
Compare the atmosphere of your city in the daytime versus at night.
Discuss the pros and cons of working a job with a daytime schedule.
Analyze how the concept of 'daytime' is portrayed in a book or movie you like.

常见错误

Incorrect

正确


Incorrect

正确


Incorrect

正确


Incorrect

正确

Test Yourself

Choose the correct spelling for the sentence. 多项选择

I prefer to do my grocery shopping in the ___.

✓ Correct! ✗ Not quite. Correct answer: daytime
'Daytime' is the standard modern spelling for the period of light.
Type the correct word to complete the sentence.

She has a ___ job, so she is home by 6 PM.

✓ Correct! ✗ Not quite. Correct answer: daytime
Here, 'daytime' acts as an adjective describing the job.
Find and fix the spelling error in this sentence. Error Correction

Find and fix the mistake:

The day-time temperatures are very high in the desert.

✓ Correct! ✗ Not quite. Correct answer: daytime
Remove the hyphen to make it the modern 'daytime'.
Rewrite the sentence using the word 'daytime'. Sentence Transformation

He works during the hours when it is light.

✓ Correct! ✗ Not quite. Correct answer: He works in the daytime.
Using 'in the daytime' is the most natural prepositional phrase.
Is the following statement true or false? True False Rule

In modern English, 'daytime' should always be hyphenated when used as an adjective.

✓ Correct! ✗ Not quite. Correct answer: False
'Daytime' is a closed compound and does not require a hyphen as an adjective.
Complete the dialogue. Dialogue Completion

A: Why do you look so tired? B: I'm not used to working ___; I usually work the night shift.

✓ Correct! ✗ Not quite. Correct answer: daytime
The speaker is referring to the period of the day.
Which of these is the correct modern spelling? Grammar Sorting

Sort these: day-time, daytime, day time

✓ Correct! ✗ Not quite. Correct answer: daytime
Only 'daytime' is the standard modern form.
Match the term to its definition. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: 1-Period of light, 2-Every day, 3-The light itself
These three terms are often confused but have distinct meanings.

Score: /8

练习题

8 exercises
Choose the correct spelling for the sentence. 多项选择

I prefer to do my grocery shopping in the ___.

✓ Correct! ✗ Not quite. Correct answer: daytime
'Daytime' is the standard modern spelling for the period of light.
Type the correct word to complete the sentence.

She has a ___ job, so she is home by 6 PM.

✓ Correct! ✗ Not quite. Correct answer: daytime
Here, 'daytime' acts as an adjective describing the job.
Find and fix the spelling error in this sentence. Error Correction

Find and fix the mistake:

The day-time temperatures are very high in the desert.

✓ Correct! ✗ Not quite. Correct answer: daytime
Remove the hyphen to make it the modern 'daytime'.
Rewrite the sentence using the word 'daytime'. Sentence Transformation

He works during the hours when it is light.

✓ Correct! ✗ Not quite. Correct answer: He works in the daytime.
Using 'in the daytime' is the most natural prepositional phrase.
Is the following statement true or false? True False Rule

In modern English, 'daytime' should always be hyphenated when used as an adjective.

✓ Correct! ✗ Not quite. Correct answer: False
'Daytime' is a closed compound and does not require a hyphen as an adjective.
Complete the dialogue. Dialogue Completion

A: Why do you look so tired? B: I'm not used to working ___; I usually work the night shift.

✓ Correct! ✗ Not quite. Correct answer: daytime
The speaker is referring to the period of the day.
Which of these is the correct modern spelling? Grammar Sorting

Sort these: day-time, daytime, day time

✓ Correct! ✗ Not quite. Correct answer: daytime
Only 'daytime' is the standard modern form.
Match the term to its definition. Match Pairs

1. Daytime, 2. Daily, 3. Daylight

✓ Correct! ✗ Not quite. Correct answer: 1-Period of light, 2-Every day, 3-The light itself
These three terms are often confused but have distinct meanings.

Score: /8

Practice Bank

11 exercises
Choose the correct form to complete the sentence. 填空

Do you have any ___ appointments available this week?

✓ Correct! ✗ Not quite. Correct answer: day-time
Choose the correct form to complete the sentence. 填空

The flowers will only bloom if they get enough sunlight during the ___.

✓ Correct! ✗ Not quite. Correct answer: daytime
Which sentence is correct? 多项选择

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: Their day-time menu is cheaper than their evening menu.
Which sentence correctly describes a job? 多项选择

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: I have a day-time job.
Find and fix the mistake in the sentence. Error Correction

Her new medication has to be taken in the daytime.

✓ Correct! ✗ Not quite. Correct answer: Her new medication must be taken during the daytime.
Find and fix the mistake in the sentence. Error Correction

What is the building's daytime phone number?

✓ Correct! ✗ Not quite. Correct answer: What is the building's day-time phone number?
Type the correct English sentence 翻译

Translate into English: 'El programa de televisión diurno fue cancelado.'

✓ Correct! ✗ Not quite. Correct answer: ["The day-time television show was canceled.","The day-time TV show was canceled.","The daytime television show was canceled."]
Type the correct English sentence 翻译

Translate into English: 'Prefiero la calma del día.'

✓ Correct! ✗ Not quite. Correct answer: ["I prefer the calm of the daytime.","I prefer the quiet of the daytime."]
Put the words in order to form a correct sentence. Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: It is usually hotter during the daytime
Put the words in order to form a correct sentence. Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: Our company has a different day-time rate
Match each term with its correct part of speech. Match Pairs

Match the terms with their role:

✓ Correct! ✗ Not quite. Correct answer: matched

Score: /11

常见问题 (10)

It's not 'wrong' in a way that people won't understand, but it's very old-fashioned. Modern dictionaries like Oxford and Merriam-Webster list it as 'daytime' (one word).

English is inconsistent! 'Daytime' became a single word faster than 'night-time' did. Some people use 'nighttime' as one word too, but 'night-time' remains common in the UK.

It's much more natural to say 'in the daytime' or 'during the daytime'. Without 'the', it sounds a bit like 'telegraphese' or a newspaper headline.

Technically, you can use it to mean 'on various occasions during the day,' but it's very rare. Stick to 'in the daytime'.

No. Unlike 'well-known' or 'fast-acting', 'daytime' is a closed compound noun that acts as an adjective. It doesn't need a hyphen.

'Daytime' is the time (e.g., 2 PM). 'Daylight' is the light itself. You can't have 'daytime' in a windowless room, but you can still be in the 'daytime' period!

Yes, it is the standard spelling in all major varieties of English, including British, American, Canadian, and Australian.

Stress the first part: **DAY**-time. The 'time' part is shorter and has less emphasis.

No, it's a noun or an adjective. To use it like an adverb, you need a preposition: 'He works *in the* daytime.'

It's neutral! You can use it in a text to a friend or in a scientific report about animal behavior.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish low

el día / durante el día

Spanish uses a phrase; English uses a single compound word.

French moderate

la journée

French has a specific single noun; English joins two nouns.

German high

die Tageszeit

German adds an 's' (genitive) between the words; English does not.

Japanese moderate

昼間 (hiruma)

Japanese uses kanji compounds; English uses Latin script compounds.

Arabic low

وقت النهار (waqt al-nahar)

Arabic is always two words; English is one.

Chinese high

白天 (báitiān)

Chinese characters are always the same size; English words change length when joined.

Learning Path

Prerequisites

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