35+ Other Ways to Say Mark Your Calendars With Examples for Every Occasion

Mark your calendars is a useful reminder, but it can sound flat when you use it in every email, invite, and announcement. Other ways to say mark your calendars help you match the moment, whether you are sending a formal work email, planning a party with friends, or posting a quick update online.

This guide gives you 35 professional, friendly, and casual alternatives with meanings and examples, grouped by tone and setting, plus a quick table to help you pick the right line fast. Try the free Phrase Swapper to spin your own reminder in seconds.

In this guide

1. Professional and formal alternatives
2. Friendly work updates
3. Casual and social invitations
4. Short and punchy reminders
5. Which phrase fits the moment
6. Frequently Asked Questions

Professional and formal alternatives

Formal reminders need to sound clear and respectful. These lines work in work emails, official notices, and client messages, where a polished tone matters most.

• 1. Save the date Classic and formal, it asks the reader to keep the day free for an important event.
  Please save the date for our annual conference on March 12.
• 2. Please reserve this date Polite and formal, it tells the reader to hold the day open for the event.
  Please reserve this date for the board meeting and the budget review.
• 3. Add this to your schedule Direct and professional, it asks the reader to block time in a planner.
  Please add this to your schedule, the product launch is on Friday at 10 a.m.
• 4. Put this on your agenda Businesslike and clear, it places the event on the official list of things to do.
  Put this on your agenda, we will review the new policy on Monday.
• 5. Block off your calendar Firm and practical, it asks the reader to protect the time slot from other plans.
  Please block off your calendar for the training session next Thursday.
• 6. Kindly note this date Courteous and formal, it suits invitations, ceremonies, and official notices.
  Kindly note this date, the ceremony begins at 6 p.m. sharp.
• 7. Please pencil this in Gentle and professional, it asks for a tentative hold on the day.
  Please pencil this in, we will confirm the venue by the end of the week.
• 8. Keep this date free Simple and polite, it asks the reader to avoid making other plans that day.
  Keep this date free, the team celebration is planned for the last Friday of the month.
• 9. Make a note of this date Clear and neutral, it works in emails, memos, and posted notices.
  Make a note of this date, the application deadline is September 30.

Friendly work updates

Team updates can stay warm while still being clear. These lines suit Slack messages, team emails, and friendly reminders to people you work with every day.

• 1. Put it on your radar Casual and helpful, it flags the date without sounding pushy.
  Put it on your radar, the client demo is scheduled for Tuesday morning.
• 2. Keep the day open Warm and simple, it asks a teammate to stay available for the event.
  Keep the day open, we are planning a team lunch after the meeting.
• 3. Do not forget this date Direct and friendly, it adds a light nudge so nobody misses the day.
  Do not forget this date, the workshop starts at 9 a.m. sharp.
• 4. Circle the date Playful and visual, it makes the reminder feel fun instead of formal.
  Circle the date, the office party is on December 18 and everyone is invited.
• 5. Set a reminder for this Practical and kind, it asks the reader to create an alert on their phone.
  Set a reminder for this, the registration window closes on Friday.
• 6. Lock in this date Confident and upbeat, it treats the event as confirmed and worth waiting for.
  Lock in this date, the launch event is happening on April 4.
• 7. Hold this date Short and clear, it asks the reader to save the day for the event.
  Hold this date, we will share the full agenda next week.
• 8. Get this on your calendar Relaxed and direct, it works in chats, quick emails, and team channels.
  Get this on your calendar, the deadline moves to the end of the month.
• 9. Remember to save the day Friendly and encouraging, it pairs a reminder with real excitement.
  Remember to save the day, our anniversary sale starts on Monday.

Casual and social invitations

Invites to friends and family should sound like you, not like a memo. These lines keep the excitement high and the tone easy for parties, trips, and celebrations.

• 1. Save the day Short and cheerful, it fits party invites, weddings, and family events.
  Save the day, we are throwing a surprise party on Saturday night.
• 2. Keep that weekend free Relaxed and warm, it hints at fun plans without giving full details.
  Keep that weekend free, we have something special planned for you.
• 3. Mark it down Easy and casual, it asks friends to note the date in a friendly way.
  Mark it down, game night is back on the first Friday of the month.
• 4. Do not miss this Exciting and bold, it builds hype and makes the event feel unmissable.
  Do not miss this, tickets for the show go on sale at noon.
• 5. Jot this date down Light and friendly, it suits texts, group chats, and social posts.
  Jot this date down, the bake sale is on Sunday morning.
• 6. Clear your schedule Playful and direct, it says the event is well worth the time.
  Clear your schedule, the reunion is finally happening on July 20.
• 7. Put a pin in it Fun and modern, it asks friends to remember the plan for later.
  Put a pin in it, we are planning a road trip for the long weekend.
• 8. Count down to this day Exciting and upbeat, it turns waiting into part of the fun.
  Count down to this day, only ten days left until the big concert.
• 9. Get ready for this date Energetic and inviting, it builds real anticipation for the event.
  Get ready for this date, the festival opens with fireworks at sunset.

Short and punchy reminders

Sometimes a few words are enough. These short lines fit posters, captions, subject lines, and quick texts where space is tight and the date must stand out.

• 1. Date saved Tiny and confident, it confirms the date in just two words.
  Date saved, see you at the venue on the 15th.
• 2. Note the date Brief and neutral, it fits posters, flyers, and short notices.
  Note the date, the fair opens on the first Saturday of June.
• 3. Big day ahead Upbeat and short, it teases something worth waiting for.
  Big day ahead, the new store opens next Monday morning.
• 4. Do not miss it Urgent and simple, it pushes the reader to pay attention and act.
  Do not miss it, the early bird offer ends on Friday.
• 5. Stay tuned for the date Teasing and brief, it promises that full details are coming soon.
  Stay tuned for the date, the full schedule drops next week.
• 6. Diary date Short and classic, it suits newsletters, bulletins, and community boards.
  Diary date, the charity gala returns on November 8.
• 7. Remember this one Personal and warm, it says the date truly matters to you.
  Remember this one, it is the day we celebrate ten years together.
• 8. Save the time Clear and practical, it highlights the hour as well as the day.
  Save the time, the webinar begins at 3 p.m. on Wednesday.

Which phrase fits the moment

The best reminder fits the audience and the setting. Grammar Apex lists 30 more mark your calendars alternatives with examples, and the table below gives you a fast starting point for the five most common situations.

For more everyday phrases, see the other ways to say let me know what time works best for you guide, the other ways to say stay tuned guide, or the other ways to say attention to detail guide.

Frequently Asked Questions

Is it professional to say mark your calendars?

Yes, it is fine in most workplaces, but in very formal emails a polished line such as please reserve this date or kindly note this date sounds more professional.

What is a formal alternative to mark your calendars?

Try save the date, please reserve this date, or add this to your schedule. All three are polite, clear, and safe for clients and managers.

How do I remind someone of a date without sounding pushy?

Use a warm line such as keep this date free or set a reminder for this, and add one useful detail, like the time or the venue, so the message feels helpful.

Final Thoughts

Other ways to say mark your calendars all share one idea: tell the reader what is happening and when, in words that fit the moment. Formal lines for work emails, friendly lines for teams, and playful lines for friends will keep every reminder sounding fresh, clear, and hard to miss. Pick the line that matches your audience, add the date and time, and your message will do its job.