days thereafter

USAGE SUMMARY

"days thereafter" is correct and usable in written English. You can use it to refer to a period of time following a specific event or date. Example: "The report was due on Monday, and it was submitted three days thereafter." Alternative expressions include "days later" and "days after."

✓ Grammatically correct

Science

News & Media

Formal & Business

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Subsequently, mice were dosed BID with these preparations every day for 3 days thereafter as described above.

Antimicrobial Agents and Chemotherapy

On day 1 and every 3 days thereafter, DMEM growth medium was replaced.

Cell Death and Disease

They began dosing 1 day before surgery and continued on the day of surgery and for 14 days thereafter.

Journal of Ophthalmic Inflammation and Infection

All but 2 patients were contacted 3 5 days thereafter (FP1_4 and FP 4_2 on day 6).

The Journal of Headache and Pain

Animal behavior was registered at day -6, 1, 3, 6, 9, 13, 29, and every 28 days thereafter.

Animal Feed Science and Technology

For days thereafter, General's gut dragged along the ground.

The New Yorker

Preliminary bids will be due give or take 30 days thereafter".

The New York Times

And the meeting can be held no earlier than 20 business days thereafter.

The New York Times

That really did appear to shock the regime, and the country may have been rudderless for some days thereafter.

The New York Times

For 10 days thereafter, the mourners the immediate family members—are considered impure and are subject to certain taboos.

Encyclopedia Britannica

MRI experiments were performed daily for a week and every 2 days thereafter.

Translational Oncology

Expert writing Tips

Best practice

Ensure that the reference point (the event or date that 'there' refers to) is clearly stated in the preceding sentence to avoid ambiguity.

Common error

Avoid using "days thereafter" immediately after a specific date if the sequence is already clear. Instead of saying 'The meeting is on June 1st and the report is due three days thereafter on June 4th', simply use "after that" or omit the phrase entirely to stay concise.

Linguistic Context

The phrase "days thereafter" functions as a temporal adverbial phrase. It modifies a verb or a whole clause by specifying when an action occurred in relation to a prior event. According to Ludwig AI, it is a standard and correct way to denote passage of time.

Expression frequency: Very common

Frequent in

Science

65%

News & Media

20%

Formal & Business

10%

Less common in

Wiki

3%

Encyclopedias

1.5%

Social Media

0.5%

Ludwig's WRAP-UP

The phrase "days thereafter" is a robust and grammatically correct temporal marker used extensively in formal English. Ludwig AI shows that it is particularly prevalent in Science and News & Media, where it serves to create clear timelines in research protocols and reporting. While it is synonymous with "days later", its formal weight makes it ideal for professional contexts. Writers should ensure the antecedent is clear to make the most of its cohesive power.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

days later

More common in general and informal contexts

days after

Requires a following noun or pronoun to complete the thought

days afterward

Uses a slightly different adverbial form that is more common in American English

days following

Often used as an introductory phrase or within complex sentences

days subsequently

Increases the level of formality even further than the original query

days after that

Uses a demonstrative pronoun to point back to the event

subsequent days

Shifts the focus from the time elapsed to the days themselves

days after the fact

Idiomatic expression often implying a delay or late reaction

following days

Less precise regarding the specific number of days passed

days thenceforth

Highly archaic and rarely used in modern English except for legal or literary effect

FAQs

How to use "days thereafter" in a sentence?

You can use "days thereafter" to show that something happened after a specific time mentioned. For example: 'The surgery was successful and the patient was discharged three days thereafter'.

What can I say instead of "days thereafter"?

You can use more common alternatives like "days later", "days afterward", or "days following" depending on the context.

Is "days thereafter" formal?

Yes, "days thereafter" is a formal expression. In casual conversation, people usually prefer to say "days later".

What is the difference between "days thereafter" and "days after"?

"days after" usually needs to be followed by an object (e.g., 'three days after the wedding'), whereas "days thereafter" stands alone because it refers back to a previously mentioned event.