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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
until what time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "until what time" is correct and usable in written English.
You can use it when you want to ask someone when an event or activity is supposed to end. For example: "I'll be at the park until what time?".
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(20)
until when
by what time
how late
at what hour
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
not yet completed
to avoid disruption
in accordance with direction from
a couple of books before
if not soon
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
2 human-written examples
Until what time?
News & Media
Music until what time at night?
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
If I hear so much as a snippet, I'll have all the words leaping and hopping through my head until "Does Anybody Really Know What Time it Is?" comes on and the process repeats itself.
News & Media
If my arm is pinned, I won't know what time it is until the lady wakes.
News & Media
Maybe it's because I had a baby on my own, pretty much, but once that funny kid's asleep, I want those nights where you dance so hard in a club that you don't know what time it is until they kick you out and the daylight surprises you like snow.
News & Media
What time can today's play go on until, bearing in mind the short rain delay?
News & Media
What time?
News & Media
Until … well until what I don't know, except that time passes, and fear subsides.
News & Media
"Do not lock in your rate until you understand what the time parameters are expected to be," Mr. DiGiovanna said.
News & Media
Knoblauch finished his career in left field, and what until that time had usually been called Steve Sax syndrome — after the Dodgers' second baseman, who had the same problem for several years in the nineteen-eighties — became widely known as Knoblauch disease.
News & Media
In 1978 he joined Pete Seeger and Arlo Guthrie before 20,000 opponents of New Hampshire's Seabrook Nuclear Power at what was until that time the biggest demonstration against a reactor in U.S. history.
News & Media
Expert writing Tips
Best practice
When asking about the duration of an event or activity, consider your audience and choose a phrase that matches the level of formality required. Using "until what time" is generally acceptable in informal settings.
Common error
Avoid using "until what time" in highly formal contexts like business meetings or academic papers. Opt for more professional alternatives such as "what is the scheduled end time?"
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "until what time" functions as an interrogative adverbial phrase used to inquire about the cessation or endpoint of an event or activity. It seeks to determine the specific time when something will cease, as confirmed by Ludwig.
Frequent in
News & Media
50%
Wiki
50%
Science
0%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "until what time" is a grammatically correct, though somewhat informal, way to inquire about the end time of an event or activity. Ludwig AI validates its usability in written English. While it's understood across various contexts, including news and media, it's best reserved for informal settings. For professional or academic contexts, alternatives such as "what is the scheduled end time?" are more appropriate. Its relatively low frequency suggests it's not the most common choice, but it remains a clear and functional option for seeking information about durations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
what time does it end
A more direct way to ask when something concludes.
what time will it be over
Focuses on the completion of an event or activity.
until when
A more concise way to ask about the ending time.
by what time
Focuses on the deadline or latest acceptable time.
what time does it conclude
Formal, emphasizes the termination of an event.
what is the finishing time
Formal and emphasizes the scheduled end.
how late
Asks about the duration, implying the activity extends into the later hours.
till when is it going on
Informal and emphasizes the continuation of an event.
what's the cutoff time
More specific and formal, usually for deadlines or restrictions.
at what hour
More precise and can sound slightly formal.
FAQs
How can I use "until what time" in a sentence?
You can use "until what time" to ask about the duration or end time of an event. For example, "The party goes "until what time"?"
What's a more formal alternative to "until what time"?
More formal alternatives include "what is the scheduled end time?" or "by what time will it conclude?" depending on the context.
Is "until what time" grammatically correct?
While not the most elegant phrasing, "until what time" is generally understood and acceptable in informal contexts. According to Ludwig AI, the phrase is grammatically correct and usable in written English.
What's the difference between "until when" and "until what time"?
"Until when" is a more concise and slightly more common way to ask about the end time, while "until what time" is more explicit but a bit less refined.
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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
4.1/5
Expert rating
Real-world application tested