• Perl

$t = DateTime->today->add(days => 1)->ymd;

• Perl

my $dt = DateTime->today;
$dt->add(days => 1);
my $t = $dt->strftime('%F');

• C#

var t = DateTime.Today.AddDays(1).ToShortDateString();

• Dart

var now = new DateTime.now();
var t = now.add(new Duration(days: 1));

• Elixir

def main() do
  Date.utc_today()
  |> Date.add(1)
  |> Date.to_string()
end

• Go

t := time.Now().Add(24 * time.Hour).Format("2006-01-02")

• Groovy

LocalDate t = LocalDate.now() + 1

• JS

let t = new Date();
t.setDate(t.getDate() + 1)
t = t.toString()

• JS

var nextDate = new Date(new Date().getTime() + 24 * 60 * 60 * 1000);
var day = nextDate.getDate()
var month = nextDate.getMonth() + 1
var year = nextDate.getFullYear()
var t = `${day}/${month}/${year}`;

• JS

var tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);

• JS

var now = new Date()
var year = now.getFullYear()
var month = now.getMonth()
var day = now.getDate()

var tomorrow = new Date(0)
tomorrow.setFullYear(year, month, day + 1)
tomorrow.setHours(0, 0, 0, 0)

var shortDateFormat = Intl.DateTimeFormat(undefined, { dateStyle: "short" })
var t = shortDateFormat.format(tomorrow)

• Java

String t = LocalDate.now().plusDays(1).toString();

• Kotlin

val t = LocalDate.now().plusDays(1).toString()

• Lisp

(setf _t (chronicity:parse "tomorrow"))

• PHP

$d = new DateTime('tomorrow');
$t = $d->format('Y-m-d');

• PHP

$t = date('Y-m-d',strtotime('+1 day'));

• Pascal

t := DateToStr(Now+1.0);

• Python

t = str(date.today() + timedelta(1))

• Python

t = str(date.today() + timedelta(days=1))

• Ruby

t = 1.day.since.to_s

• Ruby

t = (Date.today + 1).to_s

• Ruby

t = Date.tomorrow.to_s

• Rust

let t = chrono::Utc::now().date().succ().to_string();

• Smalltalk

t := Date tomorrow asString.

• VB

Dim t As Date = Date.Today.AddDays(1)