Question 1

How to calculate days between two dates?

Accepted Answer

Enter the start date and end date and the calculator counts total calendar days between them. It also shows the difference in years months and days accounting for leap years and varying month lengths. The calculation follows the standard Gregorian calendar used worldwide and in all Indian official purposes.

Question 2

How many working days between two dates?

Accepted Answer

This calculator shows total calendar days. For approximate working days multiply total days by 5 and divide by 7 to exclude weekends. India has approximately 250 working days per year after excluding 104 weekend days and about 10 to 15 gazetted holidays. Actual count varies by state and organization.

Question 3

How to calculate notice period days?

Accepted Answer

Enter your resignation date as start and last working date as end. The result shows total calendar days of notice period. Most Indian IT companies have 60 to 90 day notice periods counted in calendar days not working days. Some companies count from the date resignation is accepted not submitted.

Question 4

How to calculate GST filing deadline?

Accepted Answer

GSTR-3B is due by 20th of the following month. GSTR-1 by 11th or 13th. Enter the due date and today to see days remaining or days overdue. Late filing attracts 50 rupees per day penalty for GSTR-3B plus 18 percent interest on unpaid tax. This tool helps track exact days to or past deadline.

Question 5

How many days in each month?

Accepted Answer

January 31, February 28 or 29 in leap year, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31. Total 365 days in a regular year and 366 in a leap year. This calculator handles all month lengths and leap years automatically.

Question 6

What is a leap year and when does it occur?

Accepted Answer

A leap year has 366 days with February having 29 days. It occurs every 4 years except century years unless divisible by 400. So 2024 was a leap year, 2100 will not be, but 2000 was. This calculator correctly handles all leap year rules when computing date differences including century exceptions.

Question 7

How to calculate EMI start to end duration?

Accepted Answer

Enter your loan start date and expected end date. The result shows total months of loan tenure. Most home loans are 15 to 30 years which equals 180 to 360 months. Car loans typically 3 to 7 years. Personal loans 1 to 5 years. This helps verify your loan tenure against the sanction letter.

Question 8

How to count days for Section 6 residency?

Accepted Answer

Under Income Tax Act Section 6 an individual is resident in India if present for 182 days or more in the financial year or 60 days in the current year plus 365 days in preceding 4 years. Use this calculator to count your days in India between specific travel dates for residency status determination.

Question 9

Can I calculate age between any two dates?

Accepted Answer

Yes enter the earlier date as start and the later date as end. The result shows years months and days between them which is equivalent to calculating age on the end date. This is useful for computing age on exam cutoff dates, insurance policy dates, or any specific historical or future date.

Question 10

How to calculate project timeline in weeks?

Accepted Answer

Enter project start and end dates. Total days divided by 7 gives complete weeks and the remainder shows extra days. For example 100 days equals 14 weeks and 2 days. Useful for agile sprint planning, academic semester scheduling, and project management milestone tracking in Indian IT companies.

Question 11

How many days until ITR filing deadline?

Accepted Answer

Enter today as start and the ITR due date as end. For salaried individuals the due date is July 31. For audit cases September 30. For transfer pricing November 30. Belated return can be filed until December 31 of the assessment year with a penalty of 5000 or 10000 rupees under Section 234F.

Question 12

Is the end date included in the count?

Accepted Answer

By default this calculator counts days from start to end excluding the end date which is the standard mathematical convention. For inclusive count add 1 to the result. For example January 1 to January 10 gives 9 days exclusive or 10 days inclusive. Choose based on the context of your calculation.

Question 13

How to calculate interest period for deposits?

Accepted Answer

Enter the deposit date as start and maturity date as end. The result shows exact months and days of the deposit tenure. Banks calculate FD interest on exact days. RD interest compounds quarterly. For PPF the contribution before 5th of the month earns interest for the full month from April 1.

Filing	Due Date	Late Penalty
ITR (non-audit)	July 31	₹5,000 / ₹10,000
ITR (audit cases)	September 30	₹5,000 / ₹10,000
ITR (transfer pricing)	November 30	₹5,000 / ₹10,000
GSTR-3B	20th of next month	₹50/day + 18% interest
GSTR-9	December 31	₹200/day (max 0.5% TO)
TDS Return	Quarterly (31st)	₹200/day (Sec 234E)
DIR-3 KYC	September 30	₹5,000 + DIN deactivation

Accounting & Payroll

Audit & Assurance

Stock Audit

CA Certification

Compliance & Company Law

Registration Services

Tax Litigation & Disputes

Tax Services

Updates

Articles & guides

Tools & calculators

Reference

Latest update

Talk to an expert

Date Difference Calculator — Days Between Dates

Calculate Date Difference

How to Use

Key Indian Compliance Deadlines

Tax Residency — 182-Day Rule

Days in Each Month

Frequently Asked Questions

Month	Days	Month	Days
January	31	July	31
February	28/29	August	31
March	31	September	30
April	30	October	31
May	31	November	30
June	30	December	31