Invalid parsing

[Danila Borovkov]

Describe the bug
dayjs function ignores provided format.

let test = dayjs('12/01/1996', 'DD/MM/YYYY')

console.log(test.format())

// "1996-12-01T00:00:00+03:00"

Expected behavior
Expected result is "1996-01-12T0:00:00+03:00"

Information

• Day.js Version: 1.11.11
• OS: Windows 11
• Browser: chrome, 64 bit
• Time zone: GMT+03:00
• I just run it in jsfiddle