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Couple anniversary milestones: 100 days, 500 days, 1,000 days and more

Couples usually celebrate day counts (100, 200, 300, 500, 1,000 days) and calendar anniversaries (1 month, 1 year, 2 years). Every date below is your start date plus that many days, minus one if you count the first day as day 1.

The milestone list

Example dates assume you started dating on January 1, 2026 and count the first day as day 1. With day 0 counting, add one day.

MilestoneRoughly afterExample date
100 days3 monthsApril 10, 2026
200 days6.5 monthsJuly 19, 2026
300 days10 monthsOctober 27, 2026
1 year1 yearJanuary 1, 2027
500 days1 year 4.5 monthsMay 15, 2027
1,000 days2 years 9 monthsSeptember 26, 2028
1,111 days3 yearsJanuary 15, 2029
2,000 days5.5 yearsJune 23, 2031

Fun milestones people add

Day 333 and day 1,111: repeating digits, easy to remember.

10,000 hours: about 417 days, a little over a year and a month.

Monthly anniversaries: the same date every month, popular in the first year.

Your own dates: first date, first trip, the day you moved in, each other's birthdays.

How to find any milestone date

  • 1. Take your start date.
  • 2. Add the milestone number of days.
  • 3. If you count the first day as day 1, subtract one day.

Yearly anniversaries are simpler: the same month and day each year. If you started on February 29, most counters move it to February 28 or March 1 in other years, so check which one yours uses.

Never miss one

One reviewer of a couple app wrote: "it does not give you any notification on any anniversarys." A list only helps if it reminds you. Belovy builds this list from your start date, shows a D-day countdown for each, and can remind you on the day, the day before or a week before, plus monthly anniversaries if you turn them on.

FAQ

When is 1,000 days of dating?
About 2 years and 9 months after you started. If you started on January 1, 2026, day 1,000 is September 26, 2028 when the first day counts as day 1, or September 27, 2028 when it counts as day 0.
Is 365 days the same as a 1-year anniversary?
Almost. A 1-year anniversary falls on the same calendar date a year later. With day 1 counting, that date is day 366 (day 367 if the year includes February 29).
Is there an app that lists our anniversaries automatically?
Belovy creates every 100 days, day 500, day 1,000, special numbers and every yearly anniversary from your start date, and can remind you on the day, the day before or a week before.

Get a reminder before every milestone

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