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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.

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CEO of Professional Science Editing for Scientists @ prosciediting.com

That is until
Grammar usage guide and real-world examples

USAGE SUMMARY

"that is until" is correct and usable in written English
You can use it to indicate that an action or condition will hold true until a specified time period. For example: "The store was closed on Sundays, that is until they opened a new location with extended hours."

✓ Grammatically correct

Science

News & Media

Formal & Business

Table of contents

Usage summary

Human-verified examples

Expert writing tips

Linguistic context

Ludwig's wrap-up

Alternative expressions

FAQs

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Pornography constructs who that is" (MacKinnon 1987 172).

Science

SEP

But hey, that's yesterday's news.

News & Media

Forbes

This year, that's September 26.

News & Media

Forbes

Jesus, that was ten years ago.

News & Media

Vice

Oh, that was last week.

News & Media

Huffington Post

Maybe that is today's story.

News & Media

Independent

But that is tomorrow's headache.

News & Media

The Economist

Moreover, that is, (10).

Science

Journal of Inequalities and Applications

That is 2,143 days.

News & Media

Huffington Post

That is 1,000 calls.

News & Media

Huffington Post

That's 1975 billions!

News & Media

The New York Times

Expert writing Tips

✓ Best practice

Use "that is until" to clearly define the period during which a condition or action is valid.

⚠ Common error

Avoid using "that is until" when you need to express a reason or cause; it's solely for indicating a time limit.

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Linguistic Context

The phrase "that is until" functions as a temporal connector, indicating the duration or validity of a condition or action. It sets a specific endpoint in time after which the condition no longer applies. Ludwig AI confirms this phrase is usable in written English.

Expression frequency: Missing

✓ Frequent in

Science

News & Media

Formal & Business

⚠ Less common in

Science

News & Media

Formal & Business

Ludwig's WRAP-UP

In summary, "that is until" functions as a temporal connector to specify a time limit for a given condition or action. Ludwig AI confirms that this phrase is grammatically sound and suitable for use in writing. While no specific examples are available in the provided data, understanding its function and purpose allows for its appropriate use in various contexts. Remember to use "that is until" to clearly define temporal boundaries and avoid confusing it with causal connectors or conditional statements. Though examples are currently unavailable, its function as a temporal marker is well-established.

Alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

up to the point that

This alternative specifies a limit or boundary in time.

only until

This phrase emphasizes the limited duration of something.

valid until

This indicates the period during which something is effective or permissible.

lasting until

This highlights the continuation of something up to a specific time.

remaining until

Focuses on the continuation of a state or condition until a specified time.

effective until

This phrase clearly indicates when something ceases to be in effect.

FAQs

How can I use "that is until" in a sentence?

Use "that is until" to specify the time frame for an action or condition. For example, "The offer is valid, "that is until" July 31st".

What are some alternatives to "that is until"?

Consider using alternatives like "up to the point that", "only until", or "valid until depending on the specific context.

Is "that is until" formal or informal?

"That is until" is generally neutral and can be used in both formal and informal contexts, although it may sound slightly more formal than simpler alternatives.

What's the difference between "that is until" and "unless"?

"That is until" specifies a time limit, while "unless" introduces a condition that must be met. "The store is open, "that is until" 9 PM" defines a closing time. "The store is closed, unless there's a special event" states a condition for it being open.

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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

84%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences:

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That is untilGrammar usage guide and real-world examples

That is until
Grammar usage guide and real-world examples