Year
Python
py
d.year # 2017
Swift
swift
c.component(.year, from: d) // 2017
swift
let c:Calendar = Calendar(identifier: .gregorian)
let d:Date = c.date(from: DateComponents(year: 2017, month: 1, day: 23))!
c.component(.year, from: d) // 2017
PHP
php
$d->format('Y')
JavaScript
js
d.getFullYear() // 2017
d.getYear() // 117
Ruby
rb
d.year # 2017
Excel
xlsx
=YEAR(A1)