Used and loved by millions

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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

since what day

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "since what day" is correct and usable in written English. You can use it when inquiring about the specific starting date of an event or situation. Example: "Since what day have you been feeling unwell?" Alternative expressions include "from what date" and "starting from which day."

✓ Grammatically correct

Science

News & Media

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

: What day is today?

What day is it today?

This is what Mixon now says: that he wishes he could take it all back, and he's thought about that night every day since — what it did to the young woman, what it meant to his school and this community, how it nearly derailed his college career, and how it now casts a cloud over his football future.

And since what matters for farmers matters for us all, every day is Earth Day for you, me, everyone.

I've long since lost the sense of what my day job is.

News & Media

BBC

Following her victory, a post on the Poker Stars website quoted Coren Mitchell as saying: "I've long since lost the sense of what my day job is.

News & Media

BBC

Since what?

News & Media

The New York Times

Here, Terrell shares what her life has been like since that day, what she hopes to share with other HIV-positive men and women in her new role as a peer educator and the stigma she has encountered, as part of a month-long HuffPost Black Voices series that aims to dispel it.

News & Media

Huffington Post

"Ever since that day what Lucy means by a good story is a story which reminds her of the forgotten story in the Magician's Book," Lewis writes in "The Voyage of the Dawn Treader".

The meeting was convened in part to answer the questions that many African-Americans have asked since Election Day: What should a "black agenda" look like in Obama's second term?

News & Media

Huffington Post

It has been missing since and that is what makes Saturday the attraction it is.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

When using "since what day", ensure the context clearly indicates you are asking about the starting date of a situation or event. For instance, clarify what you are referring to for better understanding.

Common error

Avoid using "since what day" when you need to know the duration of an event. This phrase is for pinpointing the start date, not the length of time passed.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "since what day" functions as an interrogative prepositional phrase. It's used to specify the starting point of a period or event by inquiring about the specific day from which something has been occurring or in effect. Although examples are limited in Ludwig, the grammatical structure is sound.

Expression frequency: Rare

Frequent in

News & Media

0%

Science

0%

Formal & Business

0%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "since what day" serves as an interrogative tool to determine the beginning date of an event or situation. Grammatically correct, it invites a specific answer about when something started. While grammatically sound, Ludwig indicates that the phrase is relatively rare. For those seeking alternatives, consider using phrases like "from which day" or "starting what day". When using "since what day", it's best to provide clear context to avoid any ambiguity about what event or situation you're asking about. As Ludwig suggests, the phrase is generally appropriate for neutral contexts such as news reporting and everyday conversation.

FAQs

How can I use "since what day" in a sentence?

Use "since what day" to inquire about a specific starting date. For example, "Since what day have you been experiencing these symptoms?"

What is a more formal way to ask "since what day"?

A more formal alternative to "since what day" is "since which date" or "from which day".

Is it correct to say "from what day" instead of "since what day"?

Yes, "from what day" is a grammatically correct and understandable alternative to "since what day".

What's the difference between "since what day" and "how long ago"?

"Since what day" asks for a specific date, while "how long ago" asks for a duration of time.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

86%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: