formatterYear

dd.MM.yy
Choose the correct order for your language

dd = day
mm = month
yy = year
8
Applied
dd.MM.yy
8/8
21
Transifex, Aug 16, 2017 at 19:24
1 comment
TimOct 10, 2017 at 21:24Reply
This should be localized by geographic region rather than by language. For example, in the US the format should be MM/dd/yy for both English and Spanish speakers.

My suggestion would be for Telegram to use Android's Date & Time system settings to decide the correct formatting.
Applied
dd.MM.yyCho tak davno
14/8
Gena kakoyto, Mar 16 at 07:57