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How to count how many days you've been together (and milestones to celebrate)

How to work out how many days you've been together, the milestones worth celebrating and ideas for each one.

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Guide · Updated 2026-11-07 · Pioneer Group ApS

Day 100, day 500, day 1,000: the milestones are fun to celebrate, and counting them by hand is a pain. Here's how to work it out and what to do when you hit them.

The quick way

Use the free days together calculator. Enter the day you got together and it shows your days, weeks and months together, plus your next milestone and its date.

By hand

Count the days between two dates, then add one if you count your first day as day 1. Most couples count the first day as day 1, so a couple that got together on 1 January reaches day 100 on 10 April (or 9 April in a leap year).

Milestones worth celebrating

MilestoneRoughlyIdea
100 days3 monthsRecreate your first date
6 months183 daysWrite each other a short letter
365 days1 yearA trip, even just one night away
500 days1 year 4 monthsA photo album or journal of your first 500 days
1,000 days2 years 9 monthsA big dinner and a look back at your favourite moments
2,000 days5 years 5 monthsPlan something you've always talked about

Which date counts?

First date, first kiss, the day you made it official: there's no rule. Pick the one that means the most to you both and stick with it.

Never miss one

Pairbond counts your days together on the Us tab, shows them on a home screen and lock screen widget, and lets you add countdowns for birthdays, anniversaries and trips.

Keep reading

Give yourselves something to talk about tonight

Pairbond is coming soon to iPhone. Join the waitlist and we'll email you once, on launch day.