• Based different programming languages and libraries often have their own standards and conventions for formatting dates and times.

» PHP

$date = date('Y-m-d');
echo $date;

» Javascript

const today = new Date();
const year = today.getFullYear();
const month = String(today.getMonth() + 1).padStart(2, '0');
const day = String(today.getDate()).padStart(2, '0');
const formattedDate = `${year}-${month}-${day}`;
console.log(formattedDate);

» Java

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;

class HelloWorld {
    public static void main(String[] args) {
        LocalDate date = LocalDate.now();
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
        String formattedDate = date.format(formatter);
        System.out.println(formattedDate);
    }
}

» Kotlin

import java.time.LocalDate
import java.time.format.DateTimeFormatter

fun main() {
    val date = LocalDate.now()
    val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
    val formattedDate = date.format(formatter)
    println(formattedDate)
}

» Python

from datetime import date

today = date.today()
formatted_date = today.strftime("%Y-%m-%d")
print(formatted_date)

» C#

using System;

class Program
{
    static void Main()
    {
        DateTime today = DateTime.Today;
        string formattedDate = today.ToString("yyyy-MM-dd");
        Console.WriteLine(formattedDate);
    }
}

» Swift 5

import Foundation

let today = Date()
let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd"
let formattedDate = formatter.string(from: today)
print(formattedDate)