one month ago today

USAGE SUMMARY

The phrase "one month ago today" is correct and usable in written English. You can use it to refer to a specific date that is exactly one month prior to the current date. For example, "One month ago today, we celebrated her birthday." Alternative expressions include "one month earlier" and "a month back."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

10 human-written examples

The tree, delivered exactly one month ago today, is bagged and on the street.

Huffington Post

But since its reopening one month ago today, business has largely bounced back, giving hope to nearby retailers.

The New York Times

ONE month ago today, Richard Oceguera, 35, and Thomas Koveleskie, 33, celebrated their Massachusetts wedding of last spring with a party on the roof of their home on South First Street in Williamsburg, Brooklyn.

The New York Times

One month ago today innocent citizens from more than 80 nations were attacked and killed without warning or provocation in an act that horrified not only every American but every person of every faith and every nation who values human life.

The New York Times

It was only one month ago today that the Palm Pre launched to the public, giving users their first chance to try out WebOS first hand.

TechCrunch

It was one month ago today that TerreStar launched their first handset, the Genus, through AT&T, and in what seems to be some form of bizarre celebration, they are today filing for Chapter 11 bankruptcy.

TechCrunch

Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

A little over one month ago, on March 21, the American College of Medical Genetics and Genomics (ACMG) announced a set of recommendations on incidental findings in clinical sequencing.

Huffington Post

"One month ago yesterday," he captioned the Instagram pic, noting the April 13 date of his operation to repair the tendon he tore April 12 during a game against the Golden State Warriors.

Huffington Post

There are other divisions of Wileyfox, such as the overseeing Wileyfox Group, and also Wileyfox Mobile, which appears to be based in Dubai and entered into a Debenture agreement with Wileyfox Europe one month ago, in January 2018.

TechCrunch

Co-founder Eric Setton, who made the jump from Tango CTO to CEO one month ago, announced this week that the company is splitting its service into two to rediscover the core chat experience that made it successful.

TechCrunch

Leon Barmore, who retired one month ago, returned to Louisiana Tech yesterday to relieve pressure on school officials who failed to attract his desired replacement.

The New York Times - Sports

Expert writing Tips

Best practice

Use "one month ago today" when you want to emphasize the exact anniversary of an event. It is particularly effective in journalism to provide a sense of immediate reflection on a past news item.

Common error

Writers often mistakenly use this phrase when they mean roughly four weeks. If the date does not align exactly with the current calendar day, use "about one month ago" or "roughly a month ago" to avoid factual inaccuracy.

Linguistic Context

The phrase "one month ago today" functions as an adverbial phrase of time. It acts as a specific temporal marker that identifies a point in the past relative to the current date. Ludwig AI examples show it is used to anchor events to a precise anniversary of one month.

Expression frequency: Uncommon

Frequent in

News & Media

75%

Science

15%

Formal & Business

10%

Less common in

Wiki

3%

Encyclopedias

1%

Social Media

1%

Ludwig's WRAP-UP

The phrase "one month ago today" is a standard and useful English expression for identifying the exact same date of the previous month. Ludwig AI data demonstrates that it is particularly prevalent in high-quality journalism, where temporal precision is required. While often interchangeable with "a month ago today", it carries a slightly more formal tone. It is best used for milestones, anniversaries and reporting progress or changes that have occurred over a strictly defined thirty-day (or calendar month) period. Writers should favor this phrase when the exactness of the date is central to the point being made.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a month ago today

Uses the indefinite article for a slightly more idiomatic and conversational feel

exactly one month ago

Emphasizes the precision of the timeframe without the redundant today

this time last month

Refers to the same moment or period in the previous month

four weeks ago today

Specifies the duration in weeks, which may differ slightly from a calendar month

one month prior

Increases formality, often used in narrative or technical reporting

one month earlier

A standard comparative form used to establish a timeline

exactly four weeks ago

Focuses on the 28-day cycle rather than the calendar month

one month back

A more informal or colloquial way to reference the past

the same day last month

A literal description that removes the idiomatic phrasing

one month since the event

Shifts the focus to the elapsed time since a specific occurrence

FAQs

How do I use "one month ago today" in a sentence?

You can use it at the beginning or end of a sentence to establish a timeframe, such as: "One month ago today, the new policy was first implemented."

Is it "one month ago today" or "a month ago today"?

Both are correct. While "one month ago today" sounds slightly more formal and precise, "a month ago today" is more common in casual conversation.

What is the difference between "one month ago today" and "one month ago"?

The addition of "today" specifies that the event happened on the exact same date of the previous month, whereas "one month ago" can be used more generally for any time within that month.

Can I use "one month ago today" in formal writing?

Yes, it is perfectly acceptable in formal contexts. According to Ludwig AI, it is frequently used in reputable news outlets like The New York Times and The Guardian.