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Add Days to Date Calculator

Date Calculator - Add Days or Subtract Days, Months, Weeks and Years from Date.

Home Calculator

Add / Subtract Days


Start Date

      

Number of days to add or subtract

      
      

Add years, months or weeks

      

Steps to use the Date Calculator Tool

info Table icon
  • Select the 'Start Date' to which you want to add the days. Click the date picker or edit the default date (mm/dd/yyyy format)
  • Enter the number of days in the Number of days field.
  • You can add weeks, months and number of years by entering the value in the respective fields
  • Click on "Calculate" button to find the end date
  • To subtract days, weeks, months or years, enter the value and select 'Subtract' option and then click 'Calculate' to find the subtract from the given date
  • If you want to find the date based on work days or business days from a given date, then enable the option 'Work Days / Business Days'. Work Days is taken as 5 days / 40 hours per week

Number of Days from Today

Calendar Days from Today (Tuesday, 28 May 2024) Date
3 days from today Friday, 31 May 2024
4 days from today Saturday, 1 Jun 2024
5 days from today Sunday, 2 Jun 2024
7 days from today Tuesday, 4 Jun 2024
10 days from today Friday, 7 Jun 2024
14 days from today Tuesday, 11 Jun 2024
15 days from today Wednesday, 12 Jun 2024
20 days from today Monday, 17 Jun 2024
21 days from today Tuesday, 18 Jun 2024
28 days from today Tuesday, 25 Jun 2024
30 days from today Thursday, 27 Jun 2024
31 days from today Friday, 28 Jun 2024
35 days from today Tuesday, 2 Jul 2024
40 days from today Sunday, 7 Jul 2024
42 days from today Tuesday, 9 Jul 2024
50 days from today Wednesday, 17 Jul 2024
56 days from today Tuesday, 23 Jul 2024
60 days from today Saturday, 27 Jul 2024
75 days from today Sunday, 11 Aug 2024
80 days from today Friday, 16 Aug 2024
90 days from today Monday, 26 Aug 2024
100 days from today Thursday, 5 Sep 2024
120 days from today Wednesday, 25 Sep 2024
150 days from today Friday, 25 Oct 2024
180 days from today Sunday, 24 Nov 2024
200 days from today Saturday, 14 Dec 2024
250 days from today Sunday, 2 Feb 2025
300 days from today Monday, 24 Mar 2025
360 days from today Friday, 23 May 2025
400 days from today Wednesday, 2 Jul 2025
500 days from today Friday, 10 Oct 2025
730 days from today Thursday, 28 May 2026
1000 days from today Monday, 22 Feb 2027
1095 days from today Friday, 28 May 2027

Number of Work Days from Today

Business Days from Today (Tuesday, 28 May 2024) Date
1 business days from today Wednesday, 29 May 2024
2 business days from today Thursday, 30 May 2024
3 business days from today Friday, 31 May 2024
4 business days from today Monday, 3 Jun 2024
5 business days from today Tuesday, 4 Jun 2024
6 business days from today Wednesday, 5 Jun 2024
7 business days from today Thursday, 6 Jun 2024
8 business days from today Friday, 7 Jun 2024
9 business days from today Monday, 10 Jun 2024
10 business days from today Tuesday, 11 Jun 2024
12 business days from today Thursday, 13 Jun 2024
14 business days from today Monday, 17 Jun 2024
15 business days from today Tuesday, 18 Jun 2024
20 business days from today Tuesday, 25 Jun 2024
21 business days from today Wednesday, 26 Jun 2024
28 business days from today Friday, 5 Jul 2024
30 business days from today Tuesday, 9 Jul 2024
31 business days from today Wednesday, 10 Jul 2024
35 business days from today Tuesday, 16 Jul 2024
40 business days from today Tuesday, 23 Jul 2024
42 business days from today Thursday, 25 Jul 2024
45 business days from today Tuesday, 30 Jul 2024
50 business days from today Tuesday, 6 Aug 2024
56 business days from today Wednesday, 14 Aug 2024
60 business days from today Tuesday, 20 Aug 2024
75 business days from today Tuesday, 10 Sep 2024
80 business days from today Tuesday, 17 Sep 2024
90 business days from today Tuesday, 1 Oct 2024
100 business days from today Tuesday, 15 Oct 2024
120 business days from today Tuesday, 12 Nov 2024
150 business days from today Tuesday, 24 Dec 2024
180 business days from today Tuesday, 4 Feb 2025
360 business days from today Tuesday, 14 Oct 2025

Add Date Calculator

How to add Calendar Days to a date using Javascript?

To Add days to a given date

  • Create date with given start date in string format start Date = new Date(start date in string);

  • 0 means same day, -1 previous day, +32 goes into next month and adds remaining days of that month.

  • To subtract, pass -ve value and the days will be computed

  • The return value of the set Date is time in milliseconds format

  • Convert the timestamp to readable text format

Add Business Days / Add Work Days Calculator

How to add work days or business days to a date?

  • Find number of weeks - assuming 5 business days, find the number of weeks

    Number of days / 5 = weeks

    Take whole part for weeks and remainder part for days

    Number of days % 5 = remainder days

    week count = truncate (number of days / 5);

    day count= number of days % 5;

  • Multiply by 7 to get actual calendar days use that to add to the start date

    days to add = weekCount * 7 + dayCount;

  • Get the day information. If it is 6 (friday), then add 2 to the number of days

  • If it is 0 (Sunday), then add 1 to the number of days