clock on: meaning, definition, pronunciation and examples

B2
UK/ˌklɒk ˈɒn/US/ˌklɑːk ˈɑːn/

neutral, slightly informal; common in workplace, industrial, and administrative contexts.

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Quick answer

What does “clock on” mean?

to officially record one's arrival at work by using a time clock or electronic system.

Audio

Pronunciation

Definition

Meaning and Definition

to officially record one's arrival at work by using a time clock or electronic system; to begin one's work shift.

Can refer metaphorically to starting any focused activity or entering a state of work readiness; sometimes used in computing contexts to mean synchronizing or connecting to a system.

Dialectal Variation

British vs American Usage

Differences

More common in British English; American English often uses 'punch in' or 'clock in' with equal frequency.

Connotations

UK: standard workplace terminology. US: may sound slightly more administrative or old-fashioned compared to 'punch in'.

Frequency

High in UK workplace contexts; medium in US, where 'clock in' and 'punch in' compete.

Grammar

How to Use “clock on” in a Sentence

[Employee] clocks on[Employee] clocks on at [time][Employee] clocks on for [shift]

Vocabulary

Collocations

strong
to clock onclocked onclocks onclocking onclock on late
medium
clock on atclock on forclock on timeclock on system
weak
clock on dutyclock on machineclock on computer

Examples

Examples of “clock on” in a Sentence

verb

British English

  • All staff must clock on before entering the production floor.
  • She clocks on promptly at 8:30 every morning.

American English

  • Employees need to clock on using the new biometric system.
  • He forgot to clock on and missed an hour's pay.

Usage

Meaning in Context

Business

Used in HR and time management systems to track employee hours.

Academic

Rare; appears in studies of labour economics or workplace sociology.

Everyday

Common in conversations about work routines.

Technical

In computing, can describe a process synchronizing with a clock signal.

Vocabulary

Synonyms of “clock on”

Strong

punch inclock in

Neutral

start workbegin shiftcommence work

Weak

Vocabulary

Antonyms of “clock on”

clock offclock outpunch outfinish work

Watch out

Common Mistakes When Using “clock on”

  • Using 'clock on' for leaving work (should be 'clock off').
  • Saying 'I clock on work' (correct: 'I clock on' or 'I clock on at work').

FAQ

Frequently Asked Questions

No, it's used for any job where time is formally recorded, including office, retail, and industrial work.

It's not typical. It's specific to paid work or officially tracked shifts. For meetings/classes, use 'start', 'begin', or 'log in' (if online).

'Clock on' is for recording work time. 'Log on' is for accessing a computer system or online account.

No, it's an inseparable phrasal verb. You cannot say 'clock the time on'. It's always 'clock on'.

to officially record one's arrival at work by using a time clock or electronic system.

Clock on is usually neutral, slightly informal; common in workplace, industrial, and administrative contexts. in register.

Clock on: in British English it is pronounced /ˌklɒk ˈɒn/, and in American English it is pronounced /ˌklɑːk ˈɑːn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • clock on the dot
  • live by the clock

Learning

Memory Aids

Mnemonic

Imagine a CLOCK showing the time you start work; you ONly get paid from when you 'clock ON'.

Conceptual Metaphor

WORK IS A MACHINE (you engage/disengage it); TIME IS A RESOURCE (you record its use).

Practice

Quiz

Fill in the gap
Before starting her shift at the factory, Maria must at the security desk.
Multiple Choice

Which sentence uses 'clock on' correctly?

Practise

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