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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
permanent date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "permanent date" is correct and usable in written English.
It can be used to refer to a date that is fixed and does not change, often in contexts like scheduling or planning. Example: "The conference will be held on a permanent date of June 15th each year."
✓ Grammatically correct
News & Media
Formal & Business
Science
Encyclopedias
Wiki
Academia
Alternative expressions(7)
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
2 human-written examples
Politicians are continuing to debate Australia Day, which was named during the 1930s but only given a permanent date for commemoration in 1994, and remains a fraught issue.
News & Media
In 2002, the General Assembly officially declared 21 September as the permanent date for the International Day of Peace.
Formal & Business
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
With an end year slider, searches are not limited to the current year as the permanent end date.
Permanent settlement dates from 1836, when Camp Monroe (late Fort Mellon) was established.
Encyclopedias
To complement "Foregrounding the Palisades," the Hudson River Museum has highlighted 26 related paintings and prints from its permanent collection, dating from 1842 to 1999.
News & Media
The Robert Mondavi Family Gallery, meanwhile, showcases European paintings from the Cantor's permanent collection dating from the late-16th century to the late-19th century.
Academia
Neolithic farming brought permanent settlements dating from 3500 BCE, and greater concentrations of population.
Wiki
A permanent up-date of data is guaranteed by the Federal Agency for Nature Conservation (Bundesamt für Naturschutz) as soon as one of the relevant species conservation regularizations is amended.
The possibility that they will have been made permanent by that date is extremely low because it would require 60 votes in the Senate, because of something called the Byrd rule; those votes do not exist and probably won't any time soon.
News & Media
In contrast to (e_{T}), (e_{P}) happens to be contractible and is determined by Nash bargaining jointly with the wage.8 Furthermore, unlike temporary jobs which are kept alive until their termination date, permanent jobs are subject to an exogenous destruction rate, denoted as (delta ).
Science
In 2006 the harvested irrigated crop area covered around 1 214 000 ha, of which 56percentt consisted of cereals (mainly wheat, following sorghum and barley), 17percentt of fodder, 17percentt of permanent crops (mainly date palms) and 9percentt of vegetables (Table 4 and Figure 6).
Expert writing Tips
Best practice
When using "permanent date", ensure the context clarifies what makes the date permanent, such as a recurring event or a fixed deadline.
Common error
Avoid using "permanent date" when referring to events or deadlines that are subject to change or adjustment. "Permanent" implies a fixed, unalterable time, so ensure this is the intended meaning.
Source & Trust
80%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "permanent date" functions as a noun phrase where the adjective "permanent" modifies the noun "date". It indicates a date that is not subject to change. As confirmed by Ludwig, it is usable in written English.
Frequent in
News & Media
30%
Academia
25%
Science
20%
Less common in
Formal & Business
10%
Encyclopedias
8%
Wiki
7%
Ludwig's WRAP-UP
The phrase "permanent date" refers to a fixed and unchanging date, as confirmed by Ludwig. While grammatically correct and understandable, it is relatively rare. It functions as a noun phrase, serving to emphasize the immutability of a specific date across various contexts. Primarily used in news, academic, and scientific settings, it conveys a neutral to professional tone, emphasizing precision and stability. Consider alternatives like "fixed date" or "set date" for more common phrasing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
fixed date
Emphasizes the immutability of the date.
set date
Highlights the act of establishing a date.
established date
Focuses on the date having been formally recognized or instituted.
official date
Implies the date has formal or authoritative backing.
designated date
Suggests the date was specifically chosen for a purpose.
scheduled date
Focuses on the date being part of a plan or timetable.
confirmed date
Emphasizes that the date has been verified and is unlikely to change.
unchanging date
Highlights the absence of alteration to the date.
immutable date
Stresses the impossibility of changing the date.
perpetual date
Indicates the date is intended to last indefinitely.
FAQs
How can I use "permanent date" in a sentence?
You can use "permanent date" to refer to a date that is fixed and does not change, often in contexts like scheduling or planning. For example: "The conference will be held on a "permanent date" of June 15th each year."
What is a good substitute for "permanent date"?
Alternatives to "permanent date" include "fixed date", "set date", or "established date", depending on the nuance you want to convey.
Is it better to say "permanent date" or "fixed date"?
Both "permanent date" and "fixed date" are acceptable, but "fixed date" might be more commonly used. The best choice depends on the specific context and desired emphasis.
What does "permanent date" mean?
A "permanent date" refers to a date that is intended to remain unchanged and to be observed or recognized consistently over time. It implies a long-term or indefinite commitment to that particular date.
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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
80%
Authority and reliability
3.8/5
Expert rating
Real-world application tested