Sobriety Day Counter
Track your recovery journey with our sobriety day counter. Counting days of sobriety provides motivation, helps celebrate milestones, and offers tangible evidence of your progress and commitment to a healthier life.
Recovery Milestones
| Days | Milestone | Significance |
|---|---|---|
| 1 day | First 24 hours | The hardest step |
| 7 days | One week | Initial detox complete |
| 30 days | One month | First chip/medallion |
| 90 days | Three months | Major milestone |
| 180 days | Six months | Halfway to a year |
| 365 days | One year | Annual chip |
Sobriety Day Counter
``javascript
function sobrietyCounter(sobrietyDate) {
const today = new Date();
const soberSince = new Date(sobrietyDate);
const diffTime = today - soberSince;
const diffDays = Math.floor(diffTime / (1000 * 60 * 60 * 24));
// Milestone tracking
const milestones = [7, 30, 60, 90, 180, 365, 730, 1095];
const nextMilestone = milestones.find(m => m > diffDays) || diffDays + 365;
const daysToNextMilestone = nextMilestone - diffDays;
return {
days: diffDays,
weeks: Math.floor(diffDays / 7),
months: Math.floor(diffDays / 30),
years: Math.floor(diffDays / 365),
nextMilestone: nextMilestone,
daysToNextMilestone: daysToNextMilestone,
sobrietySince: soberSince.toLocaleDateString('en-US', {
year: 'numeric',
month: 'long',
day: 'numeric'
})
};
}
`
The Power of Day Counting
In recovery communities, counting days serves multiple purposes: it provides motivation through visible progress, creates accountability, and gives something to protect. "I have 247 days—I don't want to start over" can help during difficult moments.
Celebrating Milestones
Many recovery programs celebrate milestones with chips, medallions, or ceremonies. Common milestones: 24 hours, 1 week, 30 days, 60 days, 90 days, 6 months, 9 months, 1 year, and annual anniversaries. Celebrations reinforce progress and community support.
The Traps in Date Arithmetic
Months are not 30 days. Adding one month to 31 January has no correct answer, and every
library picks differently — 28 February, 2 March or an error. Decide which your business
needs before the edge case decides for you.
Days are not always 86,400 seconds. Daylight saving makes one day 23 hours and another
25. Adding n * 86400000 milliseconds drifts by an hour twice a year, which is enough to
move a date across midnight and return an answer one day out.
`javascript
// Correct — the Date object normalises overflow and handles DST
const addDays = (date, days) => {
const result = new Date(date);
result.setDate(result.getDate() + days);
return result;
};
// Correct — calendar days, unaffected by DST or time of day
const daysBetween = (a, b) => {
const utc = (d) => Date.UTC(d.getFullYear(), d.getMonth(), d.getDate());
return Math.round((utc(b) - utc(a)) / 86400000);
};
`
Months are zero-indexed in JavaScript. new Date(2026, 0, 1) is January. new
Date(2026, 12, 1) is January 2027, silently.
Parsing is not portable. new Date("2026-08-30") is parsed as UTC, while
new Date("2026/08/30")` is parsed as local — the same calendar date, a day apart in some
zones. Always parse ISO 8601, and construct with explicit components when the time matters.
Time Zones Decide the Answer
| Question | Depends on |
|---|---|
| How many days until an event? | The viewer's zone |
| Is this subscription expired? | UTC, always |
| What day of the week was this? | The zone the event happened in |
| When does "tomorrow" start? | The viewer's zone |
Reference Points
| Interval | Days |
|---|---|
| Week | 7 |
| Month (average Gregorian) | 30.44 |
| Quarter | 91.31 |
| Year | 365.2425 |
| Leap year | 366 |