The phrase “mark your calendars” is commonly used in English to tell someone to remember an important date or event. It is often used for meetings, holidays, deadlines, or special occasions. While it is simple and popular, repeating the same phrase can make your writing or speech sound repetitive.
That’s why learning other ways to say “mark your calendars” is very helpful. Different phrases can change the tone of your message. Some sound formal and professional, while others feel friendly or casual.
Choosing the right expression helps you communicate more naturally in emails, conversations, and business settings.
In this guide, you will learn 41+ synonyms for “mark your calendars”, their meanings, usage, tone, and examples. This will help English learners, professionals, and writers sound more fluent and confident.
What Does “Mark Your Calendars” Mean?
The phrase “mark your calendars” means to write down or remember a specific date for a future event. It is a reminder expression used to ensure people do not forget something important.
Grammar Explanation:
- Mark = verb (to note or highlight)
- Your calendars = noun phrase (personal schedule or planner)
So, the phrase literally means: highlight a date in your schedule so you remember it.
When to Use “Mark Your Calendars”
You can use this phrase in many situations:
- Invitations (events, weddings, parties)
- Business meetings or conferences
- School or academic reminders
- Product launches or announcements
- Public holidays or campaigns
It works in both written and spoken English, especially in friendly and semi-formal communication.
Is It Professional or Polite to Say “Mark Your Calendars”?
Yes, “mark your calendars” is polite and widely accepted in professional English. However, it is slightly informal for very formal documents.
In business:
- ✔ OK for emails, newsletters, announcements
- ✔ Common in marketing and HR communication
- ❌ Not ideal for legal or highly formal contracts
Pros and Cons of Using “Mark Your Calendars”
Pros:
- Easy to understand
- Friendly and engaging tone
- Common in everyday English
- Works for many contexts
Cons:
- Can feel repetitive
- Slightly informal for strict corporate writing
- Not very creative if overused
41+ Other Ways to Say “Mark Your Calendars”
Below are 41 alternatives with meanings, examples, tone, and usage.
1. Save the date
- Meaning: Remember an important upcoming event
- Explanation: Common in invitations
- Example: Save the date for our annual meeting.
- Best Use: Formal/Informal
- Worst Use: Legal writing
- Tone: Friendly
2. Note the date
- Meaning: Write down the date
- Example: Please note the date of the conference.
- Best Use: Formal
- Worst Use: Casual chats
- Tone: Neutral
3. Keep this date free
- Meaning: Don’t schedule anything else
- Example: Keep this date free for the workshop.
- Best Use: Informal/Business
- Worst Use: Legal
- Tone: Friendly
4. Block your calendar
- Meaning: Reserve time in schedule
- Example: Block your calendar for Friday.
- Best Use: Business
- Worst Use: Casual invitations
- Tone: Professional
5. Reserve the date
- Meaning: Set aside a specific date
- Example: Please reserve the date for the event.
- Best Use: Formal events
- Worst Use: Informal chats
- Tone: Formal
6. Hold the date
- Meaning: Keep the date available
- Example: Hold the date for our meeting.
- Best Use: Business
- Worst Use: Casual speech
- Tone: Neutral
7. Circle the date
- Meaning: Highlight a date on calendar
- Example: Circle the date for the exam.
- Best Use: Informal
- Worst Use: Legal writing
- Tone: Friendly
8. Highlight the date
- Meaning: Emphasize a date
- Example: Highlight the date in your planner.
- Best Use: Informal
- Worst Use: Formal contracts
- Tone: Neutral
9. Put it on your calendar
- Meaning: Add event to schedule
- Example: Put it on your calendar now.
- Best Use: Everyday use
- Worst Use: Formal documents
- Tone: Casual
10. Add it to your schedule
- Meaning: Include in planner
- Example: Add it to your schedule for next week.
- Best Use: Business
- Worst Use: Emotional tone
- Tone: Professional
11. Schedule it in
- Meaning: Fix a time for it
- Example: Schedule it in for Monday.
- Best Use: Work communication
- Worst Use: Invitations
- Tone: Neutral
12. Make a note of it
- Meaning: Remember it
- Example: Make a note of the meeting date.
- Best Use: General use
- Worst Use: Formal announcements
- Tone: Friendly
13. Don’t forget the date
- Meaning: Reminder phrase
- Example: Don’t forget the 15th!
- Best Use: Informal
- Worst Use: Corporate emails
- Tone: Casual
14. Lock in the date
- Meaning: Confirm and fix date
- Example: Let’s lock in the date.
- Best Use: Business
- Worst Use: Formal legal writing
- Tone: Professional
15. Set the date aside
- Meaning: Keep free
- Example: Set the date aside for training.
- Best Use: Work contexts
- Worst Use: Legal
- Tone: Neutral
16. Clear your schedule
- Meaning: Make time available
- Example: Clear your schedule for the event.
- Best Use: Business
- Worst Use: Informal chatting
- Tone: Direct
17. Keep it in mind
- Meaning: Remember it
- Example: Keep the date in mind.
- Best Use: Informal
- Worst Use: Formal emails
- Tone: Friendly
18. Make room for it
- Meaning: Free up time
- Example: Make room for the conference.
- Best Use: Casual/business
- Worst Use: Legal
- Tone: Friendly
19. Plan for it
- Meaning: Prepare for date/event
- Example: Plan for the meeting next week.
- Best Use: Business
- Worst Use: Invitations
- Tone: Neutral
20. Put a reminder down
- Meaning: Record reminder
- Example: Put a reminder down for Friday.
- Best Use: Informal
- Worst Use: Formal writing
- Tone: Casual
21. Don’t miss it
- Meaning: Emphasize importance
- Example: Don’t miss the big event!
- Best Use: Marketing
- Worst Use: Formal tone
- Tone: Emphatic
22. Secure the date
- Meaning: Confirm and reserve
- Example: Secure the date with HR.
- Best Use: Business
- Worst Use: Casual talk
- Tone: Professional
23. Save space for it
- Meaning: Keep time available
- Example: Save space for the meeting.
- Best Use: Informal/business
- Worst Use: Legal
- Tone: Neutral
24. Calendar it
- Meaning: Add to calendar quickly
- Example: Just calendar it.
- Best Use: Workplace slang
- Worst Use: Formal writing
- Tone: Casual
25. Set a reminder
- Meaning: Create alert
- Example: Set a reminder for Monday.
- Best Use: Everyday use
- Worst Use: Invitations
- Tone: Neutral
26. Pin the date
- Meaning: Fix important date
- Example: Pin the date for the launch.
- Best Use: Marketing
- Worst Use: Formal documents
- Tone: Friendly
27. Flag the date
- Meaning: Highlight for attention
- Example: Flag the date in your planner.
- Best Use: Business tools
- Worst Use: Casual speech
- Tone: Neutral
28. Lock the schedule
- Meaning: Finalize timing
- Example: Let’s lock the schedule.
- Best Use: Business
- Worst Use: Informal
- Tone: Professional
29. Put aside time
- Meaning: Reserve time slot
- Example: Put aside time for training.
- Best Use: Business
- Worst Use: Legal
- Tone: Neutral
30. Save time for it
- Meaning: Reserve availability
- Example: Save time for the seminar.
- Best Use: Informal/business
- Worst Use: Formal writing
- Tone: Friendly
31. Keep the slot open
- Meaning: Do not fill time slot
- Example: Keep the slot open for updates.
- Best Use: Business
- Worst Use: Casual speech
- Tone: Neutral
32. Don’t book anything else
- Meaning: Avoid scheduling conflicts
- Example: Don’t book anything else that day.
- Best Use: Informal
- Worst Use: Formal emails
- Tone: Direct
33. Block off the time
- Meaning: Reserve time period
- Example: Block off the afternoon.
- Best Use: Work
- Worst Use: Invitations
- Tone: Professional
34. Put it in writing
- Meaning: Record officially
- Example: Put the date in writing.
- Best Use: Business/legal
- Worst Use: Casual talk
- Tone: Formal
35. Make it official
- Meaning: Confirm formally
- Example: Let’s make it official for May 5.
- Best Use: Business
- Worst Use: Informal chats
- Tone: Formal
36. Fix the date
- Meaning: Set final date
- Example: Let’s fix the date for next week.
- Best Use: Business
- Worst Use: Casual tone
- Tone: Neutral
37. Jot it down
- Meaning: Quickly write it
- Example: Jot it down in your notebook.
- Best Use: Informal
- Worst Use: Formal writing
- Tone: Casual
38. Keep track of it
- Meaning: Remember and monitor
- Example: Keep track of the event date.
- Best Use: Business
- Worst Use: Invitations
- Tone: Neutral
39. Mark it down
- Meaning: Write it in schedule
- Example: Mark it down for Friday.
- Best Use: Informal/business
- Worst Use: Legal writing
- Tone: Friendly
40. Make it a priority
- Meaning: Give importance
- Example: Make this date a priority.
- Best Use: Business
- Worst Use: Casual chats
- Tone: Serious
41. Reserve your spot in the calendar
- Meaning: Secure time slot
- Example: Reserve your spot in the calendar for the webinar.
- Best Use: Formal/business
- Worst Use: Casual slang
- Tone: Professional
Comparison Table (Top Alternatives)
| Phrase | Tone | Best Use |
|---|---|---|
| Save the date | Friendly/Formal | Invitations |
| Block your calendar | Professional | Workplace meetings |
| Note the date | Formal | Emails |
| Lock in the date | Professional | Business planning |
| Keep this date free | Friendly | Events |
| Schedule it in | Neutral | Work tasks |
| Reserve the date | Formal | Official events |
FAQs
1. What is another way to say “mark your calendars”?
You can say “save the date,” “block your calendar,” or “note the date.”
2. Is “mark your calendars” formal?
It is semi-formal, suitable for emails and announcements but not strict legal writing.
3. What is the most professional alternative?
“Block your calendar” and “note the date” are more professional options.
4. Can I use these phrases in emails?
Yes, many alternatives like “save the date” and “schedule it in” are perfect for emails.
5. What is the most casual way to say it?
Phrases like “don’t forget the date” or “jot it down” are more casual.
Conclusion
Learning different ways to say “mark your calendars” helps you sound more natural and fluent in English. Instead of repeating the same phrase, you can choose expressions that match the tone of your message—formal, friendly, or professional.
Whether you are writing emails, planning events, or talking with friends, these alternatives give you more flexibility and confidence. Practice using these phrases in real conversations to improve your English communication skills.
I’m Justin Harper, an English grammar enthusiast and content writer passionate about helping learners improve vocabulary, writing, and communication skills through simple, accurate, and engaging educational content at EnglishBlasts.
