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
CEO of Professional Science Editing for Scientists @ prosciediting.com
sometime yesterday
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sometime yesterday" is correct and usable in written English.
It can be used to refer to an unspecified time during the previous day. Example: "I received a message from her sometime yesterday, but I didn't have a chance to respond."
✓ Grammatically correct
News & Media
Alternative expressions(20)
as the festival went on
around today
later that day
with the passage of the day
earlier today
for the day
during daylight hours
as the stage progresses
before midnight
by late today
as the game went on
for the duration of the day
during the entire time
as the week went on
as the speech went on
for the anticipated
the whole day through
this very day
for one day
before the end of tomorrow
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
15 human-written examples
Sometime yesterday, the Chippewa Harbor Pack left the Moskey Basin kill site, headed south to Lake Mason, crossed Chippewa Harbor and continued on to Lake Whittlesey.
News & Media
Sometime yesterday the rest of the site went blank, too.
News & Media
Updated sometime yesterday, Apple has given it's status report regarding the epic failure of MobileMe.
News & Media
Halo 3 was uploaded onto the Web sometime yesterday and it's making the rounds like wildfire.
News & Media
Sometime yesterday he received a Norton Program Alert saying, "PIFTS is attempting to access the Internet".
News & Media
It happened sometime yesterday, some five years after its first release, in 2004.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
Will premiere sometime this summer.
News & Media
When? "Sometime next year".
News & Media
Another bargaining session is expected sometime this summer.
News & Media
He expects to move in sometime next month.
News & Media
I'd like to move sometime next year.
News & Media
Expert writing Tips
Best practice
When using "sometime yesterday", ensure it's clear from the context what event you're referring to. Providing additional details can enhance clarity.
Common error
Avoid using "sometime yesterday" when a specific time is known or can be easily provided. Lack of precision can confuse your audience.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sometime yesterday" functions as an adverbial phrase, modifying a verb or clause to indicate when an action occurred. Ludwig AI examples show it setting a general timeframe for events.
Frequent in
News & Media
70%
Formal & Business
15%
Science
5%
Less common in
Academia
3%
Wiki
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, "sometime yesterday" is a common and grammatically correct phrase used to indicate an action or event that occurred at an unspecified time on the previous day. Ludwig AI confirms its acceptability and provides numerous examples from reliable sources, primarily in the News & Media sector. While useful for general temporal references, using more precise timing is advisable when the information is known, enhancing clarity and avoiding potential vagueness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Yesterday at some point
This alternative emphasizes the day on which the event took place but lacks specificity regarding time.
During yesterday
This alternative provides a broader timeframe, suggesting the event happened at any moment in the course of the previous day.
At an unspecified time yesterday
This version highlights the lack of a precise time reference.
At some moment yesterday
Similar to "at some point", but slightly more emphatic.
Yesterday in the course of the day
This option is more descriptive, stressing the full duration of the day.
At a certain time yesterday
This indicates there was a specific time, but it's not being disclosed.
On the previous day at some stage
This alternative is more formal and less common.
Yesterday, at an indeterminate hour
Highlights the uncertainty about the exact hour.
Yestereve
A slightly archaic term for yesterday evening.
The day before today, at one point
A more verbose and less direct way of saying "sometime yesterday".
FAQs
How can I use "sometime yesterday" in a sentence?
Use "sometime yesterday" to refer to an unspecified time during the previous day. For example, "I saw him "sometime yesterday" near the park".
What phrases are similar in meaning to "sometime yesterday"?
Alternatives include "at some point yesterday", "during yesterday", or "at an unspecified time yesterday". Choose the one that best fits your context and desired level of precision.
Is it better to use a specific time instead of "sometime yesterday"?
If you know the specific time, it's generally better to use it for clarity. Use "sometime yesterday" when the exact time is unknown or not important.
What's the difference between "sometime yesterday" and "yesterday"?
"Yesterday" refers to the entire day, while "sometime yesterday" indicates an unspecified moment within that day. "I worked all day yesterday", versus "I called him "sometime yesterday"".
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested