How to use month? (eg: Jan, feb)

[rameshpjpti]

Hello
How can I change month in Text (eg: Jan, Feb, Mar, .....).

[ZeeMughal892]

let weekArray = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"]
let calendar = YYCalendar(normalCalendarLangType: .custom(weekArray),
date: "07/01/2019",
format: "MM/dd/yyyy") { [weak self] date in

self?.selectedDateLabel.text = date