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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
till that time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "till that time" is correct and usable in written English when referring to a specific point in the future.
For example: "We will continue working hard on the project until that time."
✓ Grammatically correct
Science
News & Media
Academia
Wiki
Alternative expressions(20)
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
20 human-written examples
Till that time it is primarily personal contacts.'".
Till that time, the patient had neither received antiviral drugs nor indication for repeating virological or liver tests.
Science
At the close of that congress M. de Lanessan, formerly Governor-General of Indo-China, who had up till that time been president of the association, retired, and was succeeded by Prof. Wyndham Dunstan, C.M.G., F.R.S., director of the Imperial Institute.
Science & Research
Mr. Tyers opened it with an advertisement of a Ridotto al Fresco, a term which the people of this country had till that time been strangers to.
Wiki
"Up till that time I was not the favorite.
News & Media
Up till that time, I'd been living in a kind of limbo state.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
Till the time that patients perceive being supervised as equated to being considered irresponsible, this is unlikely to change.
Science
The choice of name was kept secret right up till that 00.01 hours launch time.
News & Media
Why did the Founding Fathers decide to eat at six when everybody else on the planet waits till 10? Like that time you snagged the one Euro flight to Finland in an online promo.
News & Media
It is also testing a "rapid scan" till that can scan groceries three times as fast as any human.
News & Media
The gentlemen of Lucknow do not speak like this.' This also shows that up till this time Mīr Anīs did not want to call himself a resident of Lucknow.
Academia
Expert writing Tips
Best practice
When using "till that time", ensure the context clearly establishes the specific time being referenced to avoid ambiguity.
Common error
Avoid using "till that time" when "by that time" is more appropriate. "Till that time" indicates a duration leading up to a point, while "by that time" indicates a deadline or a specific point when something will be completed or in effect.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "till that time" functions as an adverbial phrase modifying a verb, clause, or sentence. According to Ludwig's AI, it defines a time boundary indicating duration up to a specific moment.
Frequent in
News & Media
30%
Science
30%
Academia
20%
Less common in
Wiki
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "till that time" is a grammatically correct and readily understandable phrase used to indicate a duration leading up to a specific moment. According to Ludwig, this phrase functions as an adverbial phrase, setting a temporal limit. While not extremely common, it is used in diverse contexts, from news and media to science and academia. For more formal writing, alternatives like "until that time" or "prior to that" may be preferred. When employing "till that time", clarity is key—ensure the referenced time is unambiguous.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Until that time
Replaces "till" with "until", maintaining the same meaning.
Up to that time
Uses "up to" instead of "till", slightly emphasizing the cumulative period leading to the time mentioned.
Before then
A more concise alternative, omitting "that time" but implying the same reference.
Prior to that
A slightly more formal substitute for "before then", indicating a time preceding a specific event.
Until that moment
Substitutes "time" with "moment", focusing on a specific instant rather than a duration.
Previous to that
Similar to 'prior to that', this option is more formal.
In the interim
Suggests a period between two events, offering a broader temporal context.
In the meantime
Similar to 'in the interim', but can imply more immediacy or shorter duration.
Leading up to that point
Highlights the events or circumstances that occur before the specified time.
Beforehand
A simple, direct alternative that emphasizes the time preceding an event, but is more vague.
FAQs
What does "till that time" mean?
"Till that time" refers to the period leading up to a specific moment or event. It indicates a duration before something happens.
How is "till that time" different from "until that time"?
The phrases "till that time" and "until that time" are nearly synonymous. The distinction is very slight, with "until" being somewhat more formal, but in practice, they are often interchangeable.
Can I use "before that" instead of "till that time"?
Yes, you can use "before that" as a shorter alternative to "till that time", but ensure that the context makes it clear what you are referring to. "Till that time" provides a more explicit reference to the previously mentioned time.
Is "till that time" formal or informal?
"Till that time" is considered relatively neutral in formality and can be used in various writing contexts, though more formal writing might prefer "until that time" or "prior to that".
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested