40+ Mark Your Calendars
The phrase “mark your calendars” is very common in English. You hear it at work, in school, in ads, and on social media. It tells people to remember an important date. It often suggests something exciting or important is coming soon.
But using the same phrase again and again can sound boring or unclear. English learners and professionals both need variety. Different situations need different tones. A casual chat with friends needs soft language. A business email needs a more formal choice.
Learning other ways to say mark your calendars helps you sound more natural. It also helps you match your tone to the moment. In this guide, you will learn clear meanings, polite usage, and strong alternatives to mark your calendars for both formal and informal English.
What Does “Mark Your Calendars” Mean?
Mark your calendars means remember this date or save this date.
It tells someone to note an event so they do not forget it.

Grammar Note
- It is an imperative phrase.
- It gives a friendly command or reminder.
- “Your” can change to “the” in general speech.
Example:
👉 Mark your calendars for July 10.
When to Use “Mark Your Calendars”
You can use this phrase in many situations.
Common contexts:
- Event announcements
- Meetings or deadlines
- Invitations
- Promotions and launches
Spoken use:
- Conversations
- Presentations
- Announcements
Written use:
- Emails
- Flyers
- Blog posts
- Social media
It works best when the event is important or exciting.
Is It Professional or Polite to Say “Mark Your Calendars”?
Yes, it is polite and friendly. But it is semi-formal.
In professional settings:
- It is fine for team emails.
- It may sound casual for legal or formal letters.
In corporate writing:
- Neutral tone.
- Often used in internal communication.
For very formal cases, use more direct or official alternatives.
Pros and Cons of Using “Mark Your Calendars”
✅ Pros
- Easy to understand
- Friendly and warm
- Common in spoken English
- Works for many audiences
❌ Cons
- Can sound casual
- Overused in marketing
- Not ideal for legal or academic writing
Main List: 13 Alternatives to “Mark Your Calendars”
Below are synonyms for mark your calendars with clear explanations.
1. Save the Date
Meaning: Remember a future date.
Explanation: Very common for events and invitations.
Example Sentence: Save the date for our annual meeting.
Best Use: Business, events
Worst Use: Emergency messages
Tone: Friendly
2. Note the Date
Meaning: Write down or remember a date.
Explanation: Slightly more formal and calm.
Example Sentence: Please note the date of the conference.
Best Use: Formal writing
Worst Use: Casual chats
Tone: Neutral
3. Put It on Your Calendar
Meaning: Schedule the event.
Explanation: Direct and clear.
Example Sentence: Put it on your calendar so you don’t forget.
Best Use: Workplace
Worst Use: Marketing ads
Tone: Neutral
4. Remember This Date
Meaning: Do not forget the day.
Explanation: Simple and clear for learners.
Example Sentence: Remember this date for our launch.
Best Use: Informal talks
Worst Use: Legal documents
Tone: Friendly
5. Take Note
Meaning: Pay attention to something important.
Explanation: Often used in instructions.
Example Sentence: Take note of the deadline.
Best Use: Formal notices
Worst Use: Party invites
Tone: Formal
6. Set a Reminder
Meaning: Use a tool to remember.
Explanation: Modern and tech-friendly phrase.
Example Sentence: Set a reminder for the meeting.
Best Use: Digital communication
Worst Use: Print flyers
Tone: Neutral
7. Don’t Forget
Meaning: A simple reminder.
Explanation: Very casual and direct.
Example Sentence: Don’t forget our call tomorrow.
Best Use: Casual speech
Worst Use: Professional emails
Tone: Friendly
8. Keep This Date in Mind
Meaning: Think about the date for later.
Explanation: Soft and polite reminder.
Example Sentence: Keep this date in mind for future plans.
Best Use: Polite conversations
Worst Use: Urgent messages
Tone: Neutral
9. Make a Note Of It
Meaning: Write or remember something.
Explanation: Common in British English.
Example Sentence: Make a note of the deadline.
Best Use: Office talk
Worst Use: Ads
Tone: Neutral
10. Block Your Calendar
Meaning: Reserve time.
Explanation: Used in business settings.
Example Sentence: Block your calendar for Friday.
Best Use: Corporate meetings
Worst Use: Social invites
Tone: Professional
11. Pencil It In
Meaning: Plan but not confirm.
Explanation: Informal and flexible.
Example Sentence: Let’s pencil it in for Monday.
Best Use: Casual planning
Worst Use: Formal events
Tone: Friendly
12. Schedule It
Meaning: Add to a plan or system.
Explanation: Very direct and clear.
Example Sentence: Please schedule it for next week.
Best Use: Work tasks
Worst Use: Invitations
Tone: Neutral
13. Add It to Your Planner
Meaning: Write it down to remember.
Explanation: Gentle and polite.
Example Sentence: Add it to your planner today.
Best Use: Educational settings
Worst Use: Urgent alerts
Tone: Friendly
Comparison Table: Top Alternatives
| Phrase | Tone | Best Use | Formal Level |
|---|---|---|---|
| Save the Date | Friendly | Events | Medium |
| Note the Date | Neutral | Emails | High |
| Set a Reminder | Neutral | Digital | Medium |
| Don’t Forget | Friendly | Casual | Low |
| Block Your Calendar | Professional | Business | High |
| Pencil It In | Friendly | Planning | Low |
FAQs
1. Is “mark your calendars” formal English?
It is semi-formal. It fits most situations but not legal writing.
2. Can I use it in business emails?
Yes, especially for team updates or events.
3. What is a more formal alternative?
Try note the date or please be advised of the date.
4. Is it okay for spoken English?
Yes, it is very common in speech.
5. Can learners use this phrase safely?
Yes. It is easy and widely understood.
Conclusion
Learning alternatives to mark your calendars helps you sound more fluent and confident. One phrase cannot fit every situation. Some moments need a friendly tone.
Others need a professional voice. By using different expressions, you show strong language skills and clear thinking. Try using one new phrase each week.
Practice in emails, meetings, or daily talk. Over time, your English will sound more natural, clear, and polished.

I am Maria James, a passionate content writer who loves exploring English words, meanings, and language trends to help readers learn and communicate better every day.
