on days when

USAGE SUMMARY

"on days when" is a perfectly valid phrase in written English.
You can use it to refer to days or occasions when something happens, is available, or is true. For example: "On days when the weather is nice, I like to go for a walk in the park."

✓ Grammatically correct

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

Hemoglobin was reassessed on day 42.

Plosone

A standard 3 + 3 dose-escalation design was used with a 21-day cycle, including imatinib on days 1 21, dacarbazine on days 1 3, and capecitabine on days 1 14.

BMC Cancer

Same on Days 2, 3 and 4.

The New York Times - Magazine

An in situ study was done on days 14 to 17 and on days 28 to 31.

Livestock Science

IL-1β, MCP-1 and RANTES mRNA levels were increased in the uterus on days 1 2 and on days 4 5.

Cytokine

Soil was sampled on days 16, 32 and 48.

Geoderma

Efficacy was assessed by: (1) visual inspection on days 1, 2, 8, 9, and 15 and, (2) shampooing/straining on days 2, 9, and 15.

The Journal of Pediatrics

Fish sampling occurred on days 36 and 63.

General and Comparative Endocrinology

On Days 2 and 4, the teams tied at 5-5.

The New York Times

It tastes best on Days 1 and 2, he said.

The New York Times - Food

N2O and CO2 emissions were analysed on days 2, 3, and then weekly.

Geoderma

Expert writing Tips

Best practice

Use "on days when" to specify conditions or circumstances that apply only on certain days, providing clarity and specificity in your writing.

Common error

Avoid using "on days when" redundantly with other phrases that already imply a specific time or condition. For example, instead of saying "On days when it rains, during rainy days I stay inside", simply say "When it rains, I stay inside."

Linguistic Context

The phrase "on days when" functions as an adverbial phrase, specifically an adverbial of time. It modifies a verb or clause by specifying the temporal conditions under which an action occurs. Since Ludwig does not provide examples, this is based on the general use of such phrases.

Expression frequency: Missing

Frequent in

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Less common in

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Ludwig's WRAP-UP

In summary, the phrase "on days when" serves as an adverbial phrase that specifies temporal conditions for an action. Although "on days when" is grammatically sound, Ludwig does not provide illustrative real-world examples. Given that this phrase does not show specific usage patterns, it is crucial to use it with clear contextual relevance to avoid redundancy. The phrase is inherently neutral in tone and can be employed in various contexts, assuming its purpose of setting a clear temporal stage is well-defined.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

when the days are

Focuses on the condition of the days, rather than a specific occurrence.

on occasions when

Replaces "days" with "occasions", broadening the context beyond specific dates.

during periods when

Emphasizes a duration or span of time when something happens.

on times when

Uses "times" instead of "days", making it less specific to calendar days.

whenever the day is

Expresses a recurring condition without specifying particular days.

in times that

Shifts the focus to a general period or era.

at junctures that

Implies a critical or specific moment in time.

during the time that

Highlights an extended period when an event occurs.

while a day is

Indicates an action happening concurrently with a specific day's condition.

as days are

Suggests a correlation between how days are and a corresponding event.

FAQs

How can I use "on days when" in a sentence?

You can use "on days when" to specify a particular condition or circumstance that occurs on certain days. For example, "On days when the sun shines, I prefer to work outside."

What is a good alternative to "on days when"?

Alternatives include phrases like "when the days are", "on occasions when", or "during periods when". The best choice depends on the specific context.

Is it more formal to use "on days when" or "when the days are"?

"On days when" and "when the days are" are generally interchangeable in terms of formality. Context often dictates the better choice.

Can "on days when" be used to describe past, present, or future events?

Yes, "on days when" can be used to describe events in the past, present, or future, depending on the tense of the verb in the sentence. For example, "On days when I was a child, I used to play outside" (past), "On days when I'm free, I go hiking" (present), or "On days when I will travel, I'll pack lightly" (future).