Every Day Counts
Your Special Days
When will you be celebrating?
Date of birth

K-Days occur every 1000 days from your date of birth.

Prof Brian Cox is 20,000 days old today and celebrates his 20th K-Day.

Enter your date of birth and find out when you celebrate yours.


Don't miss your next one!

and we'll remind you when it's time to celebrate!

Celebrate K-Days
They're not just for celebrities, you know!

Don't forget them!


for updates on all your special days.