How to use Add Days to a Date
- Pick the start date (today is filled in) and type the number to add; use a minus for going back.
- Choose days, weeks, months, years or working days.
- Read the date, its weekday and the days until it from today.
- Copy or share it, or tap a quick chip: 30, 60, 90 or 180 days.
Why use Add Days to a Date
Any unit
Days, weeks, months, years or working days, forward or back.
Month ends handled
31 January plus one month is 28 or 29 February, as calendars and banks count it.
Working days
Skips the weekend of the country you pick and the holidays you list: 10 working days from today lands on the right weekday.
Quick chips
Common spans (30, 60, 90, 180 days) with one tap, for notice periods, visas and payment terms.
About this tool
Adding days to a date is the sum behind notice periods, payment terms, visa validity, warranty ends, medicine courses and follow-up appointments: what date is 90 days from today, when is 30 days after the invoice, what is six months from the contract start. This calculator adds or subtracts days, weeks, months, years or working days and names the weekday too, since a deadline that falls on a Friday in the Gulf or a Sunday elsewhere usually moves.
Months and years are added by calendar, not as 30 or 365 days: a month after 15 March is 15 April, and when the day does not exist the last day of the month is used, the way Excel's EDATE and most banks count. Working days skip the weekend you choose (Saturday and Sunday, Friday and Saturday, or Friday only) and any holidays you paste in.
Frequently asked questions
What date is 90 days from today?
Tap the 90 days chip with today as the start date: the result shows the date and its weekday, counting every calendar day.
How do I go back in time?
Type a minus before the number, or pick "before" instead of "after": 14 days before 1 March is 15 February.
What happens on the 31st plus a month?
The calendar rule applies: the last day of the shorter month. 31 January plus 1 month is 28 February (29 in a leap year).
Can I add working days?
Yes. Pick working days and the weekend of your country; holidays you list are skipped too, so "5 working days from Thursday" lands on the following Thursday.
What date is 30 days from today?
Type 30 and choose days: the date appears at once, with the day of the week. Use the quick chips for 7, 30, 60, 90 or 180 days.