Core calculator
Custom Day Counter
Calculate exact days between any two dates, or leave the end date on today for a live running total.
Most flexible
Tool Hub
One place for every DaysSince tool.
DaysSince now has more than one kind of tracker. Some tools are broad and flexible, like the custom day counter. Others are purpose-built for anniversaries, birthdays, sobriety streaks, and current-year checkpoints.
This page pulls those tools into one clear entry point, so users do not need to remember whether a tool lives on the homepage, inside a story-style tracker, or inside a calendar reference page.
Quick Picks
Relationship milestone
Anniversary Tracker
Track days married, see the next anniversary, and keep the milestone ladder in one place.
Couples favorite
Habit & recovery
Quit Smoking Tracker
Turn a quit date into a smoke-free streak, money-saved estimate, and next checkpoint.
Recovery tool
Calendar reference
Day of Year Checker
See which numbered day today is inside the current year, plus remaining days and the next milestone.
Live year position
Core Date Math
Start here when you simply need a clean answer between two dates or a future countdown.
Main calculator
Custom Day Counter
Choose any start and end date to get an exact count in days, weeks, months, and years.
Any two dates
Future planning
Days Until Countdown
Switch the main calculator into countdown mode for launches, birthdays, holidays, and deadlines.
Future dates
Calendar tool
Day of Year Checker
Find today’s ordinal place inside the year and use it as a planning or reporting checkpoint.
Today in the year
Anniversaries & Relationships
These tools turn personal dates into ongoing trackers with milestone context and next-date guidance.
Wedding tool
Anniversary Tracker
Track time since your wedding, preview the next anniversary, and keep the celebration theme handy.
Next anniversary built in
Relationship story
We Met Counter
Measure days since you met, see the next milestone, and use it as a relationship memory prompt.
Story-first tracker
Personal milestone
Birthday Counter
See how many days since your last birthday and how long until the next one.
Age milestone view
Recovery & Habit Tools
Use these focused tools when the date is part of a streak, reset, or behavior change you want to protect.
Smoke-free streak
Quit Smoking Tracker
Track smoke-free days, money saved, and the next milestone after your quit date.
Progress + savings
Sobriety tracker
Last Drink Counter
Count alcohol-free days and keep the next checkpoint visible when consistency matters.
Simple sobriety view
Nicotine reset
Last Cigarette Counter
Measure days since your last cigarette and keep the streak grounded in a live daily number.
Clear relapse-safe check-in
How to Choose the Right Tool
Start with Custom Day Counter when you have any two dates and just need exact math fast.
Open a focused tracker when the date is tied to a story or streak, such as Anniversary Tracker or Last Drink Counter.
Use the calendar references when your question is about today's place in the year, such as Day of Year Checker.