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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
on their time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on their time" is correct and usable in written English.
It can be used to refer to actions or events that occur according to someone's own schedule or availability. Example: "They prefer to complete the project on their time rather than adhering to a strict deadline."
✓ Grammatically correct
News & Media
Science
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
54 human-written examples
There's absolutely no shortage of demands on their time.
News & Media
Many doctors consider family members impositions on their time.
News & Media
With hundreds of outlets seeking interviews, the pressure on their time is immense.
News & Media
Others, like Dr. Simmons, worry about the increasing demands on their time.
News & Media
The return on their time invested was even worse when commuting times were included.
News & Media
Others complained of increased workloads and growing demands on their time, while salaries stagnated.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
13Note that we classify plants based on their time-average of the female share.
During this period the specimens were monitored to collect information on their time-dependent behaviour.
Science
The 3-D movie follows an entrepreneurial canine and a young boy on their time-traveling adventures.
News & Media
Time-resolved (TR) techniques provide a means of discriminating photons based on their time-of-flight.
Science
Transcription factors were clustered based on their time-dependent α-coefficient profiles using a hierarchical clustering method.
Science
Expert writing Tips
Best practice
When using "on their time", ensure the context clearly indicates whose schedule or availability is being referenced to avoid ambiguity. For example, be explicit: "Employees can complete the training on their time, outside of regular work hours."
Common error
Avoid assuming that "on their time" always implies a lack of obligation. While it often suggests flexibility, it can also indicate a required activity completed outside of regular duties. Clarify the expectations to prevent misunderstandings.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on their time" functions primarily as an adverbial prepositional phrase, modifying verbs or clauses to specify when an action occurs. Ludwig's examples show how it indicates the timing of events is determined by the subject's schedule or availability.
Frequent in
News & Media
40%
Science
30%
Wiki
15%
Less common in
Formal & Business
5%
Reference
5%
Academia
5%
Ludwig's WRAP-UP
In summary, the prepositional phrase "on their time" is a versatile and frequently used expression to denote that actions or events are scheduled according to an individual's availability or convenience. Ludwig AI confirms its grammatical correctness and widespread applicability across diverse contexts, from news and media to scientific literature. While it suggests flexibility, it's important to clarify the context to avoid misinterpretations about obligations. Alternatives like "at their convenience" or "according to their schedule" can offer nuanced substitutions depending on the intended emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at their convenience
Emphasizes flexibility and lack of imposition.
according to their schedule
Highlights adherence to a pre-established plan.
when they are available
Focuses on the condition of being free to act.
in their own time
Stresses personal control over the timing.
as they see fit
Implies autonomy in deciding when to proceed.
at their leisure
Suggests a relaxed and unhurried pace.
on their own terms
Highlights the conditions under which they operate.
when time permits
Indicates dependence on having sufficient time available.
as their schedule allows
Highlights that completion depends on schedule's flexibility.
at a pace of their choosing
Emphasizes the ability to determine the speed of progress.
FAQs
How can I use "on their time" in a sentence?
Use "on their time" to indicate that someone is doing something according to their own schedule or availability. For example, "Employees can complete the training "at their convenience", on their time."
What's a good substitute for "on their time"?
Alternatives include "at their convenience", "according to their schedule", or "in their own time" depending on the nuance you want to convey.
Is it correct to say "on their free time" instead of "on their time"?
While "on their free time" is grammatically correct, "on their time" is broader and can encompass both work-related and leisure activities done according to their schedule. "On their free time" specifically refers to activities done during leisure.
What does it mean when someone says they'll do something "on their own time"?
Saying they'll do something "on their own time" implies they will do it when they personally have the time and resources available, and not necessarily within a specific timeframe dictated by others. It suggests autonomy and self-direction.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested