💑 Couple Day Counter

How Long Have You Been Together?

Enter your start date to see your days together, milestone timeline, anniversary dates, and create a shareable couple card.

days together

🗓 Milestone Timeline

  • Enter your start date above to see your milestones.

💌 Create Shareable Card

🔢 What Day Will Our Nth Day Be?

Find the calendar date of any future milestone.

🎂 Anniversary Dates

Yearly anniversaries for your relationship start date.

Enter your start date above to see anniversary dates.

⏳ Days Until…

Count down to any date.

days until your date

What Every Relationship Milestone Means

Relationship milestones are the checkpoints couples use to mark their journey together. Whether it's your 100-day anniversary, your first full year, or the momentous 1000-day mark, each one is a reason to celebrate — and a reminder of how far you've come.

100 Days — The "First Big One"

In many cultures, especially across East Asia and increasingly worldwide, 100 days is the first major relationship milestone. It marks the end of the "getting to know you" phase and the beginning of something more established. Many couples exchange small gifts or have a special dinner to mark the occasion.

365 Days — One Year Together

The first anniversary is universally recognized. A full lap around the sun — through every season, every mood, every holiday. Traditional gifts include paper (symbolic of the first chapter of your story), while modern couples often opt for experiences: a trip, a concert, or recreating your first date.

500 Days — The Unofficial "Serious" Mark

There's no Hallmark card for 500 days, but that's what makes it special. Five hundred days means you've navigated real life together — work stress, family dynamics, the mundane and the magical. Couples who consciously notice 500 days tend to have higher relationship satisfaction, according to relationship researchers who study milestone acknowledgment.

1000 Days — Nearly Three Years

A thousand days is almost three years. At this point, you've likely moved through multiple life stages together. This is a milestone worth a meaningful celebration — a weekend away, a photo book of your journey, or a letter written to each other to be opened at 2000 days.

Why Tracking Days Matters

Counting days together isn't just a fun number — it's a practice of gratitude. Every day you deliberately acknowledge your relationship reinforces the commitment behind it. Couples who mark milestones report stronger relationship satisfaction and a greater sense of shared identity.

Use this counter to stay aware of your milestones before they pass. When 500 days is three weeks away, you have time to plan something meaningful.

Frequently Asked Questions

Enter your relationship start date at the top of the page. The counter instantly shows your total days together, plus weeks, months, and a full year/month/day breakdown.
Common milestones include 50, 100, 200, 365 (1 year), 500, 730 (2 years), 1000, 1095 (3 years), 1461 (4 years), 1826 (5 years), 2557 (7 years), and 3650 days (10 years).
Use the milestone timeline — it shows the exact calendar date of every milestone including your 100th day, 365th day, and beyond. Or use the "What Day Will Our Nth Day Be?" calculator.
The counter uses precise calendar math via JavaScript's Date API, which accounts for all leap years automatically. Your count is always exact to the day.
Yes — your start date and names are automatically saved in your browser's localStorage. When you return, your counter picks up right where it left off.
Scroll to the "Create Shareable Card" section. Choose Romantic or Minimal style, add a personal message, then download as PNG or tap Share to send directly to Instagram, WhatsApp, and more on mobile.