at which date

USAGE SUMMARY

The part of a sentence "at which date" is correct and usable in written English.
You can use it when asking or stating the specific date on which something happened or should happen. For example: "Please confirm at which date I can expect the delivery to arrive."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

Sasso was the main source of European borax from 1827 to 1872, at which date American sources replaced it.

Wikipedia

The Territorial Force formally came into existence on 1 April 1908, at which date the existing Volunteer force ceased to exist.

Wikipedia

One could go beyond the parent read codes and specifically identify exactly which drug was prescribed at which date.

BMC Medical Informatics and Decision Making

This substance was also added to BAT cigarettes, although we did not find at which date, and if it is still the case.

European Journal of Public Health

Quality assurance has been in a state of constant improvement since September 2005, at which date a strengthening of qualified human resources clearly took place at the central as well as the decentralized levels.

Unicef

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

About 80 miles northeast of Rome, the ruins (a part of which is at right), which date back 2,000 years, were at the center of the ancient village Falacrine, Vespasian's hometown.

The New York Times - Arts

Mr. Clendenin said the age of the wires at the location, which date back to the 1930's, may have been a factor.

The New York Times

Hence neologisms, which date at least as far back as Kodak.

Forbes

The Dynamo are shooting for an MLS record 35 games unbeaten at home, which dates back to June 2011 and Robertson Stadium.

The Guardian - Sport

One of the province's most important cultural features is the prehistoric settlement at Biskupin, which dates to 1200 bce.

Britannica

M Devilliers explained that he had taken over the remains of the disused fort at Montlandon, which dates from the 1880s, a few years ago.

The Guardian - Travel

Expert writing Tips

Best practice

While grammatically sound, consider using more concise alternatives like "when" or "on what date" for improved clarity and flow.

Common error

Avoid using "at which date" in informal contexts. Simpler alternatives are often more appropriate and natural.

Linguistic Context

The phrase "at which date" functions as a prepositional phrase introducing a relative clause. This construction specifies a particular point in time, typically used to inquire about or define when an event occurs. Ludwig AI indicates it is correct and usable.

Expression frequency: Rare

Frequent in

Science

33%

News & Media

33%

Formal & Business

33%

Less common in

Wiki

0%

Encyclopedias

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "at which date" is grammatically correct but considered less common and more formal than alternatives like "when" or "on what date". Ludwig AI confirms its usability. Its primary function is to seek or specify a particular date, often in professional, scientific, or news-related contexts. While acceptable, writers should consider the tone and clarity when choosing between "at which date" and its simpler substitutes to ensure the writing is appropriate for its intended audience.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

on what date

Replaces "at which" with the more concise "on what".

when

A simple substitution that can replace the entire phrase in many contexts.

on which day

Specifies "day" instead of a more general "date".

by what date

Focuses on a deadline rather than a specific occurrence.

upon what date

A more formal alternative using "upon" instead of "on".

at what time

Shifts the focus from the date to a specific point in time.

during which period

Expands the focus to a duration rather than a single date.

in what year

Narrows the focus to a specific year.

at which point in time

Emphasizes a specific moment rather than a general date.

on what occasion

Replaces "date" with a more general reference to an event.

FAQs

How can I use "at which date" in a sentence?

You can use "at which date" to inquire about or specify a particular date. For example, "At which date will the project be completed?" However, consider more common alternatives like "when" or "on what date".

What can I say instead of "at which date"?

You can use alternatives like "on what date", or simply "when" depending on the context.

Is it better to use "at which date" or "when"?

While both are grammatically correct, "when" is generally preferred for its conciseness and readability. "At which date" can sound overly formal in many situations.

What's the difference between "at which date" and "on what date"?

"At which date" and "on what date" are very similar in meaning. "On what date" is more common and considered slightly less formal. Both inquire about a specific date.