Translate Date & Time Format (Change dates & time format)
As mentioned in Custom Translation, Dates & Time translation is a little different. Go toTheme Translation → Texts → Date & Times.
Read WordPress Formatting Date & Time for more information. In simple words, here you can set how your dates display. For example: Feb, February and 2, are all equivalent to second month of year, February, but have different format characters; “M” for Feb, “F” for February and “m” for 2.