How to use this calculator
- Start date — the earlier date.
- End date — the later date.
The result shows the total days between them, along with a breakdown in weeks, months and years. Leap years are handled automatically.
How date arithmetic works
Days are counted exactly, accounting for the different lengths of months and for leap years. A year is a leap year if it's divisible by 4, except century years, which must be divisible by 400. So 2000 was a leap year, 1900 was not, and 2024 was.
Why "months" is fuzzy
Months vary from 28 to 31 days, so any conversion into months involves a convention. From 31 January to 28 February is one month by calendar reckoning but 28 days by count. Different systems handle this differently, which is why legal and financial documents usually specify days rather than months.
Worked example
From 15 March 2026 to 20 August 2026:
| Period | Days |
|---|---|
| Rest of March | 16 |
| April | 30 |
| May | 31 |
| June | 30 |
| July | 31 |
| 1–20 August | 20 |
| Total | 158 days |
That's about 22.6 weeks, or roughly 5 months and 5 days.
Where this is genuinely useful
- Notice periods — working out your exact last working day.
- Interest calculations — many short-term instruments accrue on an actual-days basis.
- Capital gains — the holding period determines whether a gain is short-term or long-term, and the thresholds are date-based.
- Project planning — counting working days available before a deadline.
- Visa and travel — many permits specify a maximum number of days in a rolling period.
- Age and anniversaries — though our age calculator is purpose-built for that.
Common mistakes
- Forgetting leap years when counting manually across February.
- Mixing up inclusive and exclusive counting — a one-day difference that matters in contracts.
- Assuming every month is 30 days, which drifts by five days a year.
- Confusing calendar days with working days. This calculator counts calendar days.
- Entering dates in the wrong order, though the result will simply be negative rather than wrong.
Frequently Asked Questions
How many days are between two dates?
Enter both dates above and the calculator counts them exactly, including leap days. It also breaks the result down into weeks, months and years.
Does this include leap years?
Yes. Leap years are applied automatically — a year divisible by 4, except century years which must also be divisible by 400.
Does it count working days only?
No, this counts calendar days. Working-day counts depend on your location's holiday calendar, which varies by state in India.
Is the end date included?
The calculator gives the gap between the two dates. If you need both endpoints counted, add one to the result.
Why do month counts sometimes look inconsistent?
Because months range from 28 to 31 days, any conversion to months uses a convention. Day counts are unambiguous, which is why contracts usually specify days.
Can I calculate a past date difference?
Yes, any two dates work, past or future. Reversing the order simply produces a negative result.
How do I find a date a certain number of days from today?
This calculator finds the gap between two known dates. For adding days to a date, you would need a date-addition tool.
Capital gains ka holding period
Nivesh bechne se pehle tareekhein gin lena kaafi paisa bacha sakta hai.
| Nivesh | Long-term kab se |
|---|---|
| Listed shares, equity mutual funds | 12 mahine se zyada |
| Debt mutual funds | Slab rate par, holding period se antar nahi |
| Zameen-jaidad | 24 mahine se zyada |
| Sona, unlisted shares | 24 mahine se zyada |
Kuch din ki kami se short-term tax lag sakta hai. Bechne se pehle kharid ki tareekh se aaj tak ke din gin lijiye.
Ye saamanya jaankari hai. Niyam Budget ke saath badalte hain — bechne se pehle apne CA se pushti kar lijiye.
Notice period aur joining date
- Aakhri din — resignation ki tareekh se notice ke din giniye. 90 din ka notice 1 March ko diya to aakhri din 30 May hoga (calendar days, working days nahi).
- Buyout — jitne din kam kaam kar rahe hain, aam taur par utne din ki basic salary deni padti hai.
- Do naukriyon ke beech ka gap — PF aur insurance ki nirantarta ke liye ye giniye.
- Probation — 6 mahine ki probation kab poori hogi, ye tareekh se hi tay hota hai.
More questions
Equity long-term capital gain ke liye kitna samay chahiye?
Listed shares aur equity mutual funds ke liye 12 mahine se zyada. Zameen-jaidad aur sone ke liye 24 mahine se zyada.
Notice period calendar days mein ginte hain ya working days?
Aam taur par calendar days mein, jab tak aapke appointment letter mein kuch aur na likha ho. Apna letter ek baar padh lijiye.
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Disclaimer. This calculator provides estimates for general guidance only and is not financial, tax or legal advice. Rates, rules and limits change, and your own situation may differ. Please verify current figures with the relevant authority or a qualified professional before acting on them.