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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
last one month
Grammar usage guide and real-world examplesUSAGE SUMMARY
"last one month" is a correct and usable phrase in written English.
You can use it to refer to the entire span of the previous month. For example, "Sales have increased over the last one month."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
during the past week
last seven days
previous month
in the last week
month before
last one may
over the last week
last one episode
last one semester
over the last four weeks
last one left
last one months
lasting one week
within the last week
last one patient
previous week
past week
recent month
last one time
last one occurred
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
38 human-written examples
We found very good agreement between the two methods on incidence of deliveries, and good agreement on prevalence of illnesses (in the last one month) and on prevalence of acute and chronic illnesses, as well as on the share of deliveries in hospital.
In general, ΔT (in particular, temperature increases from last one month) had more significant impacts on suicide rates compared to other MVs included in analyses (e.g., temperature, rainfall and sunshine) in this study.
Science
"When we took this on, I didn't know if it was going to last one month," Rothschild said.
News & Media
The trial, which is expected to last one month, is being held before a special court comprising seven magistrates.
News & Media
Main water sources for R. sinica growing on the isolated outcrops shifted from previous (one to two months ago) rainwater in the late dry season to the mixture of recent (within the last one month) and previous rainwater in the early dry season, while using little or no deep water sources.
Science
Rimantas Purtulis, chief of foreign trade for Lithuania, said that if Moscow were to completely cut off these materials, the republic has natural gas supplies to last one month and three to four months' supply of oil.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
The other covered effectiveness and safety of new classes of antidiabetic drugs and the study conducted on it lasted one month.
Science
The crack addiction only lasted one month, but that was long enough for him to blow £30,000 on it.
News & Media
That lasted one month.
News & Media
Each Truvada prescription lasts one month.
News & Media
If I could afford a Ferrari, I would have one". His retirement lasted one month.
News & Media
Expert writing Tips
Best practice
When using "last one month", ensure the context is clear and that it's easily understood you are referring to the immediately preceding month. Avoid ambiguity by specifying the month if needed.
Common error
Avoid using "last one month" when you need to refer to a specific month in the past. Instead of saying "The project started last one month", specify the actual month, such as "The project started in June".
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "last one month" functions as an adjectival phrase, modifying a noun to specify a timeframe. It indicates a period of time immediately preceding the present, as seen in Ludwig's examples, such as "illnesses (in the last one month)".
Frequent in
Science
70%
News & Media
20%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "last one month" is a grammatically correct and commonly used phrase to denote the period immediately preceding the present. According to Ludwig, it appears frequently in scientific and news-related contexts, serving to establish a clear temporal reference. While alternatives such as "previous month" or "past month" exist, "last one month" is a straightforward and widely accepted way to define this timeframe. It is important to ensure clarity in its usage, particularly when more specific date ranges may be necessary.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
previous month
Replaces "last one" with "previous", maintaining the timeframe but with a slightly more formal tone.
past month
Substitutes "last one" with "past", providing a simpler and more direct alternative.
recent month
Emphasizes the recency of the month in question, rather than specifically indicating the immediately preceding one.
prior month
Uses "prior" instead of "last one", conveying a sense of sequence and precedence.
month before
Reorders the words to change the emphasis while still referring to the same period.
the month just ended
Specifies the end of the month as a reference point, highlighting its completion.
last 30 days
Quantifies the period as 30 days, offering a more precise measurement of time.
in the course of the last month
Adds a descriptive phrase to emphasize the duration and passage of time.
during the month that just passed
Provides a more descriptive and elaborate way to refer to the previous month.
over the last four weeks
Breaks down the timeframe into weeks, providing an alternative perspective on the same period.
FAQs
How do I use "last one month" in a sentence?
You can use "last one month" to refer to events or conditions that occurred during the past month. For example, "Sales have increased over the last one month".
What's the difference between "last one month" and "previous month"?
Both "last one month" and "previous month" refer to the month immediately before the current one. The "previous month" might sound slightly more formal in certain contexts.
Is it correct to say "in the last one month"?
Yes, it is grammatically correct to say "in the last one month". For example, "There have been several changes in the last one month".
What are some alternatives to "last one month"?
Some alternatives to "last one month" include "past month", "recent month", or "prior month", depending on the desired nuance.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested