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
calendar
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "calendar" is correct and usable in written English.
It can be used when referring to a system for organizing days, weeks, and months, or when discussing events scheduled on specific dates. Example: "I marked the important dates on my calendar to ensure I don't forget them."
✓ Grammatically correct
News & Media
Lifestyle
Sport
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
For more information on our full range of courses, sign up to our newsletter or check out our calendar.
News & Media
In 2015 there will be two series of House Rules, following in the footsteps of Nine's The Block, which already has two series each calendar year.
News & Media
The Toon might even register only their third win of the calendar year against West Ham, who have been abject themselves since suffering a dreadful thrashing in the FA Cup at West Brom in February.
News & Media
The city's fireworks were beamed to one billion people worldwide while a million lined the harbour, according to the council, for one of the most expensive and spectacular events in Sydney's calendar.
News & Media
The online calendar shows how many permits are still available for given dates and also has lots of tips.
News & Media
Is the current school calendar, modelled on the traditional agricultural cycle, the best way to teach children?
News & Media
Next year's calendar will give workers 11 days off, including week-long vacations during the lunar new year – also known as the spring festival – and the anniversary of the October 1949 founding of the People's Republic of China.
News & Media
Athletics, he warned, needed to restructure its calendar and improve how it presented itself to become more compelling.
News & Media
Explore the full range of available masterclasses or view the calendar for all our upcoming courses.
News & Media
Now obviously we're a little early with this preview, as owing to the ongoing pressure to comply with the FIFA calendar, the final week of the 2013 MLS regular season is scheduled to be played at half-time in the 3rd/4th place game at the Qatar World Cup (though the playoffs will go ahead as planned).
News & Media
Beyond canny use of Twitter and Facebook, and an online calendar of activities, there isn't much.
News & Media
Expert writing Tips
Best practice
When discussing events, specify the "calendar" type (e.g., "academic calendar", "sports calendar") for clarity.
Common error
Avoid misspelling "calendar" as "calender". "Calender" is a machine used in papermaking, while "calendar" refers to the system of organizing time.
Source & Trust
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The word "calendar" primarily functions as a noun. It refers to a system for organizing days, weeks, months, and years, or a document containing dates and temporal information. Ludwig AI confirms its frequent use in various contexts.
Frequent in
News & Media
60%
Lifestyle
15%
Sport
15%
Less common in
Formal & Business
5%
Science
3%
Encyclopedias
2%
Ludwig's WRAP-UP
The term "calendar" is a commonly used and grammatically correct noun, primarily referring to a system for organizing time or a schedule of events. Ludwig AI confirms its frequent use in various contexts, particularly in news, lifestyle, and sports. While generally neutral in register, specifying the calendar type (e.g., "academic calendar") improves clarity. Related terms include "schedule" and "agenda". When writing, be sure to differentiate between "calendar" and the misspelling "calender".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
schedule
Indicates a plan for carrying out a process or procedure, giving lists of intended events and times.
schedule of events
Focuses on the planned activities rather than the system of time measurement.
timetable
Implies a specific arrangement of events in time, often more detailed than a general "calendar".
yearly planner
Emphasizes the planning aspect over the time-keeping aspect.
agenda
Highlights a list of items to be discussed or done, typically within a shorter timeframe.
daily organizer
Focuses on daily scheduling and organization.
datebook
A physical book or electronic system for recording dates and appointments.
chronological system
Emphasizes the order and sequence of events.
temporal arrangement
Describes how things are organized in time.
events roster
A list of events, often in a specific order or sequence.
FAQs
How to use "calendar" in a sentence?
You can use "calendar" to refer to a system of organizing time, as in "We use the Gregorian calendar", or to a schedule of events, as in "Check the club's calendar for upcoming activities".
What can I say instead of "calendar"?
Which is correct, "calendar year" or "financial year"?
Both "calendar year" and "financial year" are correct, but they refer to different periods. A calendar year runs from January 1 to December 31, while a financial year varies depending on the organization or country.
What's the difference between "calendar" and "diary"?
"Calendar" refers to a system for organizing time or a schedule of events, while "diary" is a personal record of events and experiences, often including daily entries.
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
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested