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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
valid date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "valid date" is correct and can be used in written English.
You can use it when you want to refer to an accurate, correct, and accepted date. For example, "Please provide a valid date of birth before submitting this form".
✓ Grammatically correct
Science
News & Media
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
13 human-written examples
Although a spokeswoman at Microsoft confirmed that Jan . 4 , 1980is the first valid date that certain computers were instructed to recognize, any reason for choosing that particular date wasn't readily available.
News & Media
Inputs to the MEFP comprised "raw" precipitation and temperature forecasts from the frozen (circa 1997) version of the NWS Global Forecast System GFSS) and a climatological ensemble, which involved resampling historical observations in a moving window around the forecast valid date ("resampled climatology").
Science
But, unbeknownst to us, Mr. Haines was again fighting for our rights, declaring that "the valid date [for a 2013 marriage license to a Pennsylvania same-sex couple] would be the date that the marriage ceremony occurred".
News & Media
Almost all of the patients, 99.7%, have a valid date of birth filled in, and 98.5% of them have at least one address entered.
The solar estimation process allows users to approximate the solar time and azimuth angle using any given (valid) date, time, UTC time zone, longitude and latitude.
Science
Out of 517 patients who do not have a valid date of birth, 10 records were returned with a reference to "date of birth" in their correspondence notes.
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
Valid values with special characteristics (e.g., non- printable characters in strings, valid dates by the end of the millennium).
These test results provide convincing evidence that varnish microstratigraphy, once radiometrically calibrated, can be used as a valid dating tool to estimate surface exposure ages of desert landforms in the western US drylands.
Science
However, there is also uncertainty about samples that may be only slightly contaminated, but the apparent age is still in the valid "dating range" which cannot be calculated precisely.
Science
Of these, 3621 patients had valid dates for starting dialysis in 1996.
Science
Valid dates on symptom onset and diagnosis were available for 13 721 of 19 127 patients (72%).
Expert writing Tips
Best practice
When requesting date input from users, always validate the date to ensure it falls within an expected range and is a real date, preventing errors and improving data quality.
Common error
Avoid using "valid date" when you mean "current date". A "valid date" simply means the date is legitimate and follows the correct format. The "current date" refers to today's date.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "valid date" functions as an adjective-noun combination, where "valid" modifies "date" to specify that the date in question is legitimate and conforms to expected standards. Ludwig AI confirms this usage as correct.
Frequent in
Science
50%
News & Media
20%
Wiki
10%
Less common in
Formal & Business
10%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "valid date" is a common and grammatically sound expression used to describe a legitimate and correctly formatted date. Ludwig AI confirms that the phrase is correct. It is frequently used across various contexts, including scientific research, news reporting, and general documentation. When using this phrase, ensure that the context clearly indicates the criteria for validity, such as format requirements or acceptable date ranges. Common alternatives include "acceptable date" or "correct date", depending on the nuance you wish to convey. Be mindful not to confuse it with "current date", which refers to the present day. In summary, "valid date" is a versatile and useful phrase for ensuring data accuracy and clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
acceptable date
Replaces 'valid' with 'acceptable', emphasizing that the date meets requirements.
correct date
Substitutes 'valid' with 'correct', focusing on the accuracy of the date.
accurate date
Replaces 'valid' with 'accurate', highlighting the precision of the date.
legitimate date
Replaces 'valid' with 'legitimate', implying the date is in accordance with rules or law.
official date
Substitutes 'valid' with 'official', suggesting the date is recognized by an authority.
recognized date
Replaces 'valid' with 'recognized', emphasizing that the date is acknowledged or accepted.
verified date
Substitutes 'valid' with 'verified', suggesting the date has been confirmed.
authenticated date
Replaces 'valid' with 'authenticated', indicating the date's genuineness has been established.
permissible date
Substitutes 'valid' with 'permissible', meaning the date is allowed or permitted within a set of constraints.
eligible date
Replaces 'valid' with 'eligible', implying the date qualifies for something.
FAQs
How can I verify if a date is a "valid date"?
To verify if a date is a "valid date", you can use date validation techniques in programming or check if the date exists in a calendar and follows the correct format (e.g., MM/DD/YYYY).
What's the difference between a "valid date" and an "invalid date"?
A "valid date" is a real and correctly formatted date, while an "invalid date" does not exist or is not properly formatted. For example, February 30 is usually an invalid date, while February 28 or 29 (in leap years) are valid.
Can I use "acceptable date" instead of "valid date"?
Yes, depending on the context, you can use "acceptable date" as a replacement for "valid date", especially when emphasizing that the date meets certain requirements or criteria.
What makes a date format a "valid date"?
A date format becomes a "valid date" when it adheres to a specific standard (e.g., ISO 8601) and can be unambiguously interpreted as a specific point in time. Consistency in format ensures data integrity and compatibility across different systems.
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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
4.5/5
Expert rating
Real-world application tested