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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
mark your diary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mark your diary" is correct and usable in written English.
It can be used when you want someone to note an important date or event in their diary or calendar. Example: "Don't forget to mark your diary for the meeting next Tuesday at 3 PM."
✓ Grammatically correct
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
It's time to mark your diaries for June 13 , 2017for The Europas Tech Conference & Awards TechCrunch is the exclusive media partner for the one-day event which takes a different approach to the usual events (tickets).
News & Media
However, there is an argument for marking your diary entry for 17 March 2012 - not yet in ink, but certainly in pencil - as the day the "greenest government ever" label finally fell off in a blast of natural gas.
News & Media
And mark your calendars.
News & Media
Use that to mark your stitch marks.
Wiki
Check your diary regularly.
Wiki
Check your diary every night.
Wiki
With a staggering 12 films and seven TV shows on the horizon, below are all the required information and dates you need to mark in your diary.
News & Media
Belu water, stockists at belu.org Now here at Buy of the Day we're sure that today's main event has been marked in your diary for months.
News & Media
Various venues, Fri to 8 Oct Iain Aitch If you don't have Frodo or Bilbo Baggins's birthday marked in your diary then chances are you won't know about Oxonmoot, which is held on the weekend nearest to that auspicious date.
News & Media
Continue marking your target.
Wiki
Set up your diary.
Wiki
Expert writing Tips
Best practice
When inviting someone to an event, use "mark your diary" to emphasize that attendance is encouraged and they shouldn't forget.
Common error
Avoid using "mark your diary" when referring to personal reflections or journaling. The phrase is specifically for noting events or appointments.
Source & Trust
76%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mark your diary" functions as an imperative, urging the listener or reader to note a specific date in their diary. As Ludwig AI confirms, this is a correct and usable phrase. The phrase focuses on the action of recording for future reference.
Frequent in
News & Media
50%
Wiki
50%
Formal & Business
0%
Less common in
Science
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "mark your diary" is a grammatically sound and understandable way to encourage someone to remember a specific date or event. Ludwig AI confirms its correctness. While alternatives like "note in your calendar" may be more common in modern usage, "mark your diary" retains its relevance, particularly in contexts where a diary is the expected tool for recording events. Its imperative function and neutral register make it suitable for diverse communications, especially in News & Media or Wiki contexts. Remember to use it primarily for events or appointments, not for personal reflections, and to emphasize the importance of remembering the specified date.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
note in your calendar
Replaces "diary" with "calendar", a more common term in modern usage, and uses "note" instead of "mark".
save the date
A common idiom that is often used for invitations, implying a higher level of importance.
put it on your calendar
Uses the more casual "put it" instead of "mark", and specifies "calendar".
add it to your agenda
Suggests including the event in a planned schedule or list of tasks.
pencil it in
Implies a tentative booking, subject to change.
write it down in your planner
Specifies the use of a "planner", a type of diary, and the action of writing.
keep it in mind
A less formal way to remind someone about a future event.
remember the date
A direct and simple way to ask someone to remember a specific date.
take note of the date
Formal phrasing emphasizing the act of taking note.
make a mental note
Suggests remembering something without physically writing it down.
FAQs
How can I use "mark your diary" in a sentence?
You can use "mark your diary" when you want to remind someone to remember a specific date or event. For instance, "Mark your diary for our upcoming webinar!"
What's another way to say "mark your diary"?
Alternatives include "note in your calendar", "save the date", or "put it on your calendar", depending on the context.
Is "mark your calendar" the same as "mark your diary"?
While similar, "mark your calendar" is more common in contemporary usage, as physical diaries are less prevalent than digital calendars. Both phrases serve the purpose of reminding someone to remember a date.
When is it appropriate to use "mark your diary"?
It's appropriate when you want to emphasize the importance of remembering a particular date, often for events, meetings, or deadlines. It's suitable for both formal and informal contexts, though "save the date" is more frequently used for celebratory events.
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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
76%
Authority and reliability
4.4/5
Expert rating
Real-world application tested