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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
in observance of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'in observance of' is correct and usable in written English.
It is typically used in formal writing to describe an action taken as a show of respect or tradition. For example: "The national team wore black ribbons in observance of those who were lost in the war".
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
in commemoration of
in celebration of
in honor of
in recognition of
to acknowledge
in deference to
as a tribute to
in completion of
in enforcement of
in reverence of
in application of
in viewing of
in implementation of
in observing of
in adherence of
in enjoyment of
in worship of
in expression of
in opportunity of
in virtue of
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
60 human-written examples
It was in observance of Loyalty Day..
News & Media
Markets are closed today in observance of Good Friday.
News & Media
The stock markets were closed yesterday in observance of Christmas.
News & Media
(The market was closed Friday in observance of Good Friday).
News & Media
European markets were closed in observance of Easter Monday.
News & Media
It is in observance of National Day, October 1st.
News & Media
Negotiators also took Thursday off in observance of Rosh Hashanah.
News & Media
The embassy was closed Monday in observance of Presidents' Day and Tuesday in observance of Carnival Day, a national holiday in Panama.
News & Media
Financial markets, government offices and banks will be closed Thursday in observance of Thanksgiving.
News & Media
They were closed Monday in observance of Martin Luther King's Birthday.
News & Media
(Most lawmakers took today off in observance of President Lincoln's birthday, a state holiday).
News & Media
Expert writing Tips
Best practice
Use "in observance of" to denote actions taken out of respect for a tradition, holiday, or important event. It adds a formal tone to your writing.
Common error
Avoid using "in observance of" when a simple "because of" or "due to" would suffice. "In observance of" specifically implies a deliberate act of respect or commemoration, not merely a cause-and-effect relationship.
Source & Trust
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in observance of" functions as a prepositional phrase indicating the reason for an action or event, typically related to honoring or recognizing a specific occasion, holiday, or tradition. As Ludwig AI confirms, it is grammatically correct and widely used in formal writing.
Frequent in
News & Media
76%
Academia
17%
Formal & Business
3%
Less common in
Science
2%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "in observance of" is a grammatically sound and frequently employed prepositional phrase, as validated by Ludwig AI. Its primary function is to indicate that an action is being taken as a sign of respect for a holiday, tradition, or important event. It is most commonly found in news and media outlets, as well as in academic settings. While alternatives like "in commemoration of" or "in celebration of" exist, "in observance of" maintains a formal tone suitable for official announcements and event explanations. Remember to use it when denoting deliberate acts of respect rather than simple causal relationships.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in commemoration of
Emphasizes the act of remembering and honoring an event or person.
in celebration of
Highlights the joyful aspect of acknowledging an event or occasion.
in honor of
Focuses on showing respect and admiration for someone or something.
to mark the occasion of
Indicates that an action is being taken to recognize a specific event.
in recognition of
Highlights the act of acknowledging and appreciating something.
to acknowledge
Expresses a simple recognition, without necessarily involving any formal ceremony.
to respect
Highlights the act of showing consideration.
in deference to
Shows respect and yielding to another's judgment or wishes.
as a tribute to
Implies an act of showing gratitude.
to keep
Emphasizes the act of following a tradition.
FAQs
How do you use "in observance of" in a sentence?
The phrase "in observance of" is used to indicate that an action is being taken as a sign of respect for a holiday, tradition, or important event. For example, "The office will be closed "in observance of Labor Day"".
What are some alternatives to using "in observance of"?
Depending on the context, you could use phrases like "in commemoration of", "in celebration of", or "in honor of" as alternatives to "in observance of".
Is it correct to say 'in observance to' instead of "in observance of"?
No, the correct preposition to use with "in observance" is "of". Saying "in observance to" is grammatically incorrect.
What is the difference between "in observance of" and "because of"?
"In observance of" implies a deliberate act of respect or tradition, while "because of" simply indicates a cause-and-effect relationship. For instance, "The market is closed "in observance of Good Friday"" suggests a closure due to respect for the holiday, whereas "The event was canceled because of rain" indicates a causal relationship.
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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
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested