How to find the date after a number of days in R?

In our daily life, often we want to know what will be date after some number of days. This is also required in professional life, especially in those professions where we work on projects and have tight deadlines. To find the date after a number a certain number of days we can just use plus sign after reading the date with as.Date.

Example

> as.Date("2001-01-01")+30
[1] "2001-01-31"
> as.Date("2020-06-30")+30
[1] "2020-07-30"
> as.Date("2020-06-30")+50
[1] "2020-08-19"
> as.Date("2020-06-30")+100
[1] "2020-10-08"
> as.Date("2020-06-30")+120
[1] "2020-10-28"
> as.Date("2020-06-30")+15
[1] "2020-07-15"
> as.Date("2020-06-30")+45
[1] "2020-08-14"
> as.Date("2020-06-30")+40
[1] "2020-08-09"
> as.Date("2020-12-25")+20
[1] "2021-01-14"
> as.Date("2020-12-25")+300
[1] "2021-10-21"
> as.Date("2020-12-25")+125
[1] "2021-04-29"
> as.Date("2020-12-25")+80
[1] "2021-03-15"

We can also use / to read the dates as shown below −

> as.Date("2020/12/25")+25
[1] "2021-01-19"
> as.Date("2020/12/25")+200
[1] "2021-07-13"
> as.Date("2020/12/25")+52
[1] "2021-02-15"
> as.Date("2020/12/25")+90
[1] "2021-03-25"
> as.Date("2020/12/25")+500
[1] "2022-05-09"
> as.Date("2020/12/25")+1000
[1] "2023-09-21"

Nizamuddin Siddiqui

Updated on 12-Aug-2020 13:39:44

• Related Questions & Answers
• How to subtract number of days from a date to get the previous date in R?
• How to find the difference in number of days between two date columns of an R data frame?
• Python Program to find out the price of a product after a number of days
• How to find the number of days and number of weeks between two dates in R?
• How to add number of days to JavaScript Date?
• Get the number of days between current date and date field?
• How to find out number of days in a month in MySQL?
• How to find the number of days in a month of a particular year in Java?
• PHP program to find number of days in every week between two given date ranges
• MySQL query to fetch date records greater than the current date after adding days with INTERVAL?
• Is there a way to subtract number of days from a date in MySQL?
• How to find the file modified after a certain date using PowerShell?
• How to find the mean of a column grouped by date in R?
• MySQL add days to a date?
• Program to find state of prison cells after k days in python