About Countdown101

Countdown101 answers one question quickly and properly: how long until the day you are waiting for? Every page shows a live timer in your own time zone, the dates for the coming years, and the weekdays and weekends left, so you can plan as well as count.

Who runs Countdown101

Countdown101 is an independent website, written and maintained by a small independent publisher that also runs a group of free calculator sites. It is not part of a large media company, and no one pays to be listed or to change a date. You can reach the publisher at hello@countdown101.com.

How we work out the dates

Every date comes from a published rule or calendar, with sources listed on how we calculate. Fixed dates never move, weekday rules (such as the fourth Thursday of November) and Easter are calculated, and every rule is checked by automated tests.

Private by design

The countdowns run in your browser. Dates you enter in the custom countdown stay in the page address and are never sent to us.

The site is free to use and supported by advertising. Spotted a wrong date? Let us know and we will fix it. Rules last reviewed 2026-11-11.