expiration time

USAGE SUMMARY

'expiration time' is correct and usable in written English.
You can use 'expiration time' when you need to refer to a specified moment when something ends or ceases to be valid. For example: "Please be aware that all coupons have an expiration time of April 30th."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We first show that if all parking reservations have the same expiration time, it is socially preferable to set the reservations to be non-expirable, i.e., without expiration time.

Transportation Research Part C: Emerging Technologies

Our testing included cookie expiration time.

Stanford University

We determine the route expiration time between two connected mobile nodes using global positioning system (GPS).

Journal of Network and Computer Applications

You can adjust the expiration time of the CA certificate by changing the number after -days.

Massachusetts Institute of Technology

The proposed methodology for the connectivity robustness calculation in CONROB accounts for the Link Expiration Time (LET) and the Route Expiration Time (RET) that are reflected in the stability of links between each two adjacent vehicles and the expiration time of communication routes between vehicles.

Transportation Research Part C: Emerging Technologies

Users can set an expiration time for messages, and it offers encryption for voice, text and video messages.

The New York Times - Tech

An incorrect timezone setting can cause your login cookie to be created with an expiration time that has already passed.

University of California, Berkeley

Tickets have an expiration time, which is set to the default of 10 hours after being issued.

University of California, Berkeley

The second is the latest possible expiration time for any ticket issued based on this renewable ticket.

Massachusetts Institute of Technology

Then, two parameters, the route expiration time and the number of hops, are used to select a routing path with low latency and high stability.

Journal of Network and Computer Applications

EIsland has submitted three proposals in the last eight days, its most recent reaching Eircom's board on Tuesday with an expiration time of midnight.

The New York Times

Expert writing Tips

Best practice

Always clearly communicate the "expiration time" to the relevant parties, whether it's for a coupon, a certificate, or a network connection, ensuring everyone is aware of when it ceases to be valid.

Common error

A common mistake is failing to specify the time zone when communicating an "expiration time". This can lead to misinterpretations and invalidations occurring earlier or later than intended. Always include the time zone to ensure clarity.

Linguistic Context

The phrase "expiration time" primarily functions as a noun phrase, specifying a point in time when something ceases to be valid or effective. Ludwig AI confirms its correct and usable status, demonstrated through various examples across different contexts.

Expression frequency: Very common

Frequent in

Science

55%

News & Media

25%

Academia

20%

Less common in

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "expiration time" is a grammatically sound and widely used noun phrase that specifies when something becomes invalid. According to Ludwig AI, the phrase is deemed correct and usable. Its frequency is very common, with usage spanning scientific, news, academic, and technical contexts. When using "expiration time", ensure clarity by specifying the time zone and communicating it effectively. Alternative phrases include "expiry date" and "valid until". While the analysis provides a comprehensive overview, remember to tailor your language to your specific audience and context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

time of expiry

A more formal or emphatic way of saying expiration time.

expiry date

Focuses specifically on the date when something expires, often used for products or documents.

valid until

Specifies the date or time until which something remains valid or usable.

time limit

Emphasizes the duration for which something is allowed or effective.

deadline

Refers to the final point in time to complete a task or for an offer to be valid.

end date

Highlights the date on which something concludes or is no longer in effect.

termination date

Formally indicates the date an agreement or service ends.

cut-off date

Indicates the last permissible date for something.

period of validity

Refers to the duration for which something is considered valid.

sunset date

Often used in the context of regulations or software to indicate when they will be phased out.

FAQs

How is "expiration time" used in technical contexts?

In technical contexts, "expiration time" often refers to the duration for which a digital certificate, cookie, or network connection remains valid. For example, a server might set an "expiration time" for a session token to enhance security.

What's a less formal way to say "expiration time"?

In less formal situations, you could use phrases like "valid until", "good through", or simply state the "expiry date".

Which is correct, "expiration time" or "expiry time"?

Both "expiration time" and "expiry time" are generally considered correct and understandable. "Expiration time" may be slightly more common, but the choice often depends on regional preference and context.

What happens after the "expiration time"?

After the "expiration time", the item or agreement is no longer valid or effective. For example, a coupon can't be used, a digital certificate is no longer trusted, or a network connection is terminated. Depending on the context, a process might need to be renewed or re-established.