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COUNTDOWN CALENDAR • SIMPLE DAILY PLANNING

Free Online Countdown App | Dayter

Never forget important dates. Use a simple day tracker for life events.

Christmas Day

Dec 25, 2026

Live
253

Days

05

Hours

27

Mins

29

Secs

0% of the way there

创建你的专属倒数日标签

标记每一个重要时刻,让每一份期待都有迹可循。

未选择任何文件

当前生效时区:UTC (UTC)

全球热门节日标签预览

发现全球热门庆典,一键创建专属倒数日。

How to Use Countdown Tags

Create, customize, and share important moments in three simple steps with a clear countdown calendar flow.

1Create Your Tag and Date

Add a title, choose a target date, and start your day tracker in seconds.

2Customize the Look

Pick a background, font, and icon so each countdown is easy to recognize.

3Save and Share

Track time in real time, share with friends, or export a high-resolution poster anytime.

Explore All Core Countdown Features

Create, personalize, manage in calendar view, and share every important date with clarity.

Create Countdown / Count Up in Seconds

Create Countdown / Count Up in Seconds

Create a countdown event with name and date in one click.

  • Switch between countdown and count-up anytime
  • Set up in seconds
  • Great for birthdays, exams, and launches
Personalize Your Countdown Style

Personalize Your Countdown Style

Customize fonts, icons, colors, and covers so each countdown card matches your style.

  • Multiple background and frame styles
  • Flexible font and icon choices
  • Clean visual layout for daily use
Date Calculator for Days Between Dates

Date Calculator for Days Between Dates

Calculate days between dates accurately. It also supports questions like how long ago was 2018.

  • Fast date gap check
  • Forward and backward date offsets
  • Turn results into a countdown event
Share Countdown Posters Anywhere

Share Countdown Posters Anywhere

Export and share your countdown poster quickly on social platforms.

  • One-click poster export
  • Works for common social formats
  • Keep a consistent visual style
Calendar View and Holiday Discovery

Calendar View and Holiday Discovery

Explore holidays in calendar view and plan events like how many weeks until christmas or how many days until christmas.

  • Month view for key dates
  • Holiday discovery by region
  • Turn holidays into yearly countdowns
Smart Countdown Timer and Recurrence Rules

Smart Countdown Timer and Recurrence Rules

Use countdown timer reminders and repeat rules so important events are never missed.

  • Reminder before event day
  • Daily, weekly, monthly, yearly repeat
  • Good for anniversaries and long plans

Who Uses dayter Countdown?

From personal moments to light teamwork, dayter helps users plan with a clear countdown calendar.

Couples and Anniversary Fans

Create countdowns for anniversaries and birthdays, and quickly answer questions like when is my birthday.

Students and Exam Learners

Track exams and deadlines with countdown goals and a clean calendar plan.

Work and Project Managers

Track project milestones with countdown timer reminders and repeat rules.

Creators and Bloggers

Plan launch dates with countdown cards and share posters in one click.

Families and Long-Term Planners

Use a day tracker for family birthdays and long-term plans with repeat reminders.

Travelers and Holiday Fans

Discover global holidays and plan trips in a countdown calendar view.

What Users Say About dayter

Real stories from users who track important moments with countdown, calendar, and timer workflows.

Emily Watson

Wedding Planner

I manage over 20 weddings with dayter. The countdown calendar keeps fittings and rehearsals clear, so my team coordination is smoother every week.

James Chen

International Student

I used a 100-day countdown for IELTS prep. My plan felt stable, and days between dates helped me split weekly goals without panic.

Sophia Martinez

New Mom

I track my baby's milestones and birthdays in one place. Sharing this countdown calendar with family means no one misses important moments.

Michael Park

Software Engineer

I built a shared countdown for release milestones. My team now sees remaining days at a glance, and communication is much clearer than spreadsheets.

Linda Zhao

Long-Distance Couple

We set our next meetup as a desktop countdown. Seeing the days left feels exciting, and timer reminders help us prepare anniversaries early.

Emily Watson

Wedding Planner

I manage over 20 weddings with dayter. The countdown calendar keeps fittings and rehearsals clear, so my team coordination is smoother every week.

James Chen

International Student

I used a 100-day countdown for IELTS prep. My plan felt stable, and days between dates helped me split weekly goals without panic.

Sophia Martinez

New Mom

I track my baby's milestones and birthdays in one place. Sharing this countdown calendar with family means no one misses important moments.

Michael Park

Software Engineer

I built a shared countdown for release milestones. My team now sees remaining days at a glance, and communication is much clearer than spreadsheets.

Linda Zhao

Long-Distance Couple

We set our next meetup as a desktop countdown. Seeing the days left feels exciting, and timer reminders help us prepare anniversaries early.

David Kim

Fitness Coach

I set competition countdowns for my clients. The day tracker makes progress easy to see, and training execution has improved a lot.

Rachel Green

Event Planner

I can view dozens of event milestones in one calendar screen and quickly apply holiday templates for faster planning.

Tom Wilson

Retired Teacher

I set family birthdays and anniversaries as repeating reminders. This countdown setup saves me from checking calendars all the time.

Nina Patel

Medical Student

I started USMLE prep with a 365-day countdown. Timer reminders keep my routine stable and help me stay consistent.

Oscar Liu

Freelance Photographer

I sync submission deadlines and editing plans with my assistant. The day tracker helps me switch projects quickly without missing delivery dates.

David Kim

Fitness Coach

I set competition countdowns for my clients. The day tracker makes progress easy to see, and training execution has improved a lot.

Rachel Green

Event Planner

I can view dozens of event milestones in one calendar screen and quickly apply holiday templates for faster planning.

Tom Wilson

Retired Teacher

I set family birthdays and anniversaries as repeating reminders. This countdown setup saves me from checking calendars all the time.

Nina Patel

Medical Student

I started USMLE prep with a 365-day countdown. Timer reminders keep my routine stable and help me stay consistent.

Oscar Liu

Freelance Photographer

I sync submission deadlines and editing plans with my assistant. The day tracker helps me switch projects quickly without missing delivery dates.

Hannah Baker

Travel Blogger

I share my next-trip countdown on my blog in one click. The holiday calendar view is great for planning new routes.

Chris Evans

Founder

I manage product launch and funding milestones in one countdown board. It is easier to review how many days left in the year with my team.

Mia Wong

Pet Owner

I set repeat reminders for my dog's birthday and vaccines. A simple day tracker makes daily life easier.

Daniel Lee

Game Developer

We run a 100-day countdown board before release. A countdown timer keeps test and launch pacing more stable.

Sarah Johnson

Homemaker

I manage family birthdays, anniversaries, and gatherings in one place. I even use searches like when is my birthday to confirm dates quickly.

Hannah Baker

Travel Blogger

I share my next-trip countdown on my blog in one click. The holiday calendar view is great for planning new routes.

Chris Evans

Founder

I manage product launch and funding milestones in one countdown board. It is easier to review how many days left in the year with my team.

Mia Wong

Pet Owner

I set repeat reminders for my dog's birthday and vaccines. A simple day tracker makes daily life easier.

Daniel Lee

Game Developer

We run a 100-day countdown board before release. A countdown timer keeps test and launch pacing more stable.

Sarah Johnson

Homemaker

I manage family birthdays, anniversaries, and gatherings in one place. I even use searches like when is my birthday to confirm dates quickly.

Countdown FAQ

Yes. dayter countdown is free to start with core features.

Yes. After login, your countdown calendar can stay in sync across supported devices.

Yes. It can calculate days between dates and save the result as a countdown event.

Yes. dayter shows how many weeks until christmas in your holiday countdown view.

Yes. Add a yearly event and dayter will show how many days left in the year automatically.

Use the calculator to check how long ago was 2018 in seconds.

Yes. You can create christmas countdown 2026 in seconds and share it.

Yes. You can create a boxing day countdown and set yearly repeat reminders.

Yes. dayter combines countdown calendar and day tracker views for easy planning.