Loading…
5 September 2026 will be a Saturday — that’s 1 day away. Below you can see exactly how to work the weekday out in your head with the Doomsday algorithm, along with a few other facts about the date.
Same month, one different day. You already know 5 September is a doomsday — count from there.
16 September 2026
The Doomsday algorithm is six short steps. Most people get to a reliable answer in under 30 seconds after an afternoon of practice.