How to Add 1 Day to Current Date

How can I add 1 day to current date?

To add one day to a date object:

var date = new Date();

// add a day
date.setDate(date.getDate() + 1);

Add one day to date in javascript

Note that Date.getDate only returns the day of the month. You can add a day by calling Date.setDate and appending 1.

// Create new Date instance
var date = new Date()

// Add a day
date.setDate(date.getDate() + 1)

JavaScript will automatically update the month and year for you.

EDIT:
Here's a link to a page where you can find all the cool stuff about the built-in Date object, and see what's possible: Date.

Incrementing a date in JavaScript

Three options for you:

1. Using just JavaScript's Date object (no libraries):

My previous answer for #1 was wrong (it added 24 hours, failing to account for transitions to and from daylight saving time; Clever Human pointed out that it would fail with November 7, 2010 in the Eastern timezone). Instead, Jigar's answer is the correct way to do this without a library:

// To do it in local time
var tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);

// To do it in UTC
var tomorrow = new Date();
tomorrow.setUTCDate(tomorrow.getUTCDate() + 1);

This works even for the last day of a month (or year), because the JavaScript date object is smart about rollover:

// (local time)
var lastDayOf2015 = new Date(2015, 11, 31);
console.log("Last day of 2015: " + lastDayOf2015.toISOString());
var nextDay = new Date(+lastDayOf2015);
var dateValue = nextDay.getDate() + 1;
console.log("Setting the 'date' part to " + dateValue);
nextDay.setDate(dateValue);
console.log("Resulting date: " + nextDay.toISOString());

How to add a 1 day to today's date in python?

You are trying to do date operations on strings and not using the result of your formatting call:

s = date.today()
modified_date = s + timedelta(days=1)
modified_date = modified_date.strftime("%Y-%m-%d")  # this would be more common
# modified_date = datetime.strftime(modified_date, "%Y-%m-%d")

print(modified_date)

How to add one day to a date?

Given a Date dt you have several possibilities:

Solution 1: You can use the Calendar class for that:

Date dt = new Date();
Calendar c = Calendar.getInstance(); 
c.setTime(dt); 
c.add(Calendar.DATE, 1);
dt = c.getTime();

Solution 2: You should seriously consider using the Joda-Time library, because of the various shortcomings of the Date class. With Joda-Time you can do the following:

Date dt = new Date();
DateTime dtOrg = new DateTime(dt);
DateTime dtPlusOne = dtOrg.plusDays(1);

Solution 3: With Java 8 you can also use the new JSR 310 API (which is inspired by Joda-Time):

Date dt = new Date();
LocalDateTime.from(dt.toInstant()).plusDays(1);

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