On iOS 17.4 The days of the week “Середа”, "П'ятниця", "Субота", "Неділя" is incorrectly displayed as “Середу”, "П'ятницю", "Суботу", "Неділю" on the iPhone lock screen when viewing the lock screen on Wednesday.

When using an iPhone with the system language set to Ukrainian, an error has been detected in the display of the day of the week on the lock screen. When the user views the lock screen on Wednesday, the day of the week “Середа” is incorrectly displayed as “Середу”. Same bug on "П'ятницю" instead "П'ятниця", "Суботу" instead "Субота", "Неділю" instead "Неділя". This can cause inconvenience for users who expect to get accurate information about the day of the week from their iPhone lock screen. Further investigation is needed to determine the cause of this error and develop an appropriate fix.

Preconditions:

1. The user has an iPhone.
2. The system language is set to Ukrainian.
3. The day of the week is displayed on the lock screen.
4. The time and date on the device are set correctly.
5. Today is Wednesday.

Steps to reproduce:

1. Lock the device by pressing the lock button.
2. Press the lock button again to display the lock screen.
3. Check the day of the week display on the lock screen.

Actual result: When a user views the lock screen of their iPhone on Wednesday, the weekday “Wednesday” is incorrectly displayed as “Середу”. the weekday “Friday” is incorrectly displayed as "П'ятницю", the weekday Saturday is incorrectly displayed as "Cуботу", the weekday Sunday is incorrectly displayed as "Неділю".

Expected result: When a user views the lock screen of their iPhone on Wednesday, the weekday should be correctly displayed as “Середа”, Friday as"П'ятниця", Saturday as "Субота" and "Sunday" as "Неділя".