Days Since Counter
Add a tracker, pick the start date, and see how many days have passed. Keep as many trackers as you like, saved in your browser.
Chart: streak lengths
Settings: how days are counted
How to use the days since counter
Each card is one tracker. Give it a name, such as "Days since last accident" or "Days without smoking", and pick the start date. You can add a time of day too. The card shows the number of days, plus the same span in weeks and days and in months and days. Press + Add tracker for more, and sort them by name or by days.
Reset to today asks you to confirm, then moves the start date to today and saves the streak that just ended in the card's reset history. The record is the longest streak so far, including the current one. Every change can be undone.
To count events instead of days, such as how many times something happened, use the click counter, or the multi counter for several at once.
How the days are counted
A day counts once a full calendar day has passed, so a tracker started today shows 0 and turns to 1 at midnight. If you add a start time, the day only counts once that time of day is reached. If you prefer to call the first day "day 1", tick Count the start day as day 1 in Settings. The count uses calendar dates, so clock changes for daylight saving time do not add or lose a day. A month is counted from the same date in the next month (from January 31, the next month ends on the last day of February). While the page is open, the numbers update on their own at midnight.
Showing it on a screen or on paper
Press Show as sign on a card to show that one tracker full screen in large type, for a "days since last incident" board on a TV or a spare monitor. Turn on Keep screen on first. Press Esc or Exit sign to go back.
Print sign on a card prints that tracker as a full-page notice in huge type, with the record and the last reset date, for a notice board. Print sheet prints a list of all trackers. Chart: streak lengths shows each past streak and the current one for the tracker you pick. Share link makes a link with your trackers (names, dates and times, not the reset history).
Keyboard shortcuts
- N: add a tracker
- U or Ctrl+Z: undo
- F: full screen
- Esc: leave full screen or the sign
Questions
Why does a tracker started today show 0?
Because no full day has passed yet. It shows 1 after midnight. Tick Count the start day as day 1 in Settings if you want today to count as the first day.
Are my trackers saved?
Yes, in this browser. Nothing is sent anywhere, and there is no account. They stay until you delete them or clear your browser data. Use Download CSV for a copy.
Can I set a date in the past?
Yes, any date. Pick it in the start date box and the count updates at once. A date in the future shows how many days until it starts.
What happens to my streak when I reset?
The streak that ended is saved in that tracker's reset history with the date, and it counts toward the record. If you reset by mistake, press Undo.
More counters tools
Put this days since counter on your website
Free for classrooms, clubs, blogs and shops: paste this code into any page. It works the same inside your site, and counts stay in each visitor's own browser. For a dark version, add ?theme=dark after /days-since-counter/ in the code.