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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
observe this day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "observe this day" is correct and usable in written English.
It can be used in contexts where one is calling attention to a specific day for remembrance, celebration, or reflection. Example: "Let us observe this day as a moment of unity and gratitude for all that we have achieved together."
✓ Grammatically correct
News & Media
Alternative expressions(4)
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
6 human-written examples
Allan Steinfeld knows the race from the lead car, a convertible, the very best way to observe this day of days.
News & Media
In the president's annual Labor Day declaration last year, Barack Obama encouraged Americans "to observe this day with appropriate programs, ceremonies and activities that honor the contributions and resilience of working Americans".
News & Media
Last Year, Obama declared March 31 to be Cesar Chavez Day, and said it should serve as an opportunity for Americans to "observe this day with appropriate service, community and education programmes" in honour of his legacy.
News & Media
This year, I will be going to Waitangi to observe this day.
News & Media
President Obama declared Saturday Korean War Veterans Armistice Day and urged Americans to "observe this day with appropriate ceremonies and activities that honor our distinguished Korean War veterans".
News & Media
But I am not one of those who attends in the off-season either, with devotion, and for that, I have only one entity to answer to: you know who! So, how do I observe this Day of Atonement?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
As the world joins us in observing this day recalling a national catastrophe involving the loss of thousands of innocent lives in the World Trade Center tragedy, we the people, no matter what religion, nationality, creed or faith, as true Americans, should introspectively resolve to lead our lives according to the principles of equality, justice and liberty for all.
News & Media
Interestingly, Tu B'Shvat, is not a festival, as neither the Torah nor the Talmud make any mention of celebrating or observing this day.
News & Media
It might seem like a strange way to observe the day, except for this fact: the women who do the majority of the labor on small family farms in developing countries are often the very same women who are asking for, but not getting access to, contraceptives.
News & Media
While weaker upward F-region uplifts were observed on this day, the layer did not return to lower heights (h'F ∼ 250km) as it was observed on the other 2 days.
Take January 26, and how the nation observes the day: this has been increasingly challenged.
News & Media
Expert writing Tips
Best practice
When using "observe this day" in formal writing, ensure the context clearly indicates the specific reason for observing the day, such as a historical event or cultural tradition.
Common error
Avoid using "observe this day" in casual conversation or informal writing, as it may sound overly formal or pretentious. Consider more natural alternatives like "remember this day" or "mark this day" instead.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "observe this day" functions as a declarative statement, often used in official pronouncements or written text to designate a particular day for recognition, remembrance, or specific activities. As Ludwig AI suggests, it conveys correctness and usability.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
2%
Academia
3%
Ludwig's WRAP-UP
The phrase "observe this day" is a grammatically sound and functional expression typically used in formal contexts to call attention to a specific date for remembrance or acknowledgment. Ludwig AI confirms its correctness. While not as frequent as other similar phrases, it appears most commonly in news and media sources, conveying a neutral to formal tone. When considering alternative expressions, options like "commemorate this day" or "recognize this day" may be more suitable depending on the desired level of formality and the specific reason for observance. It's important to use the phrase judiciously, avoiding overuse in casual settings where it may sound out of place.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
commemorate this day
Replaces 'observe' with a more formal term implying a solemn remembrance.
mark this day
Uses a more general term for acknowledging the significance of the day.
recognize this day
Focuses on acknowledging the importance or meaning of the day.
honor this day
Emphasizes respect and reverence for the day and what it represents.
remember this day
Highlights the act of keeping the day in one's memory.
celebrate this day
Shifts the focus to a joyful acknowledgement of the day.
acknowledge this day
A more neutral way of stating that the day is being recognized.
note this day
A simple way to call attention to a particular day.
pay tribute to this day
A more ceremonial and respectful way of acknowledging the day.
solemnize this day
Implies a formal and serious observance of the day.
FAQs
How can I use "observe this day" in a sentence?
You can use "observe this day" to formally acknowledge an event or tradition, such as "We should "commemorate this day" with a moment of silence".
What are some alternatives to "observe this day"?
Alternatives include "mark this day", "recognize this day", or "honor this day", depending on the context and the level of formality you wish to convey.
Is it more appropriate to use "observe" or "celebrate" this day?
"Observe" is more suitable for days of remembrance or reflection, while "celebrate" is better for joyful occasions. Consider the nature of the day you're referencing when choosing between "observe" and "celebrate this day".
What is the difference between "observing this day" and "remembering this day"?
"Observing this day" implies a more active and formal acknowledgement, often with specific actions or ceremonies. "Remembering this day" is more about personal recollection and reflection; however, the two are often interchangeable depending on context.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested