...Support for time zones is optional, unless the time zone is reliably identifiable from the source in which case it’s obligatory.
Type of issue
Author added their own content
Reported
Apr 9, 2019
Log In
Log in here to create Instant View templates. Please enter your phone number in the international format and we will send a confirmation message to your account via Telegram.
Date with right timezone could be found in the source, you may use to correct timezone.
So, UTC date is 18 Dec 2018, 21:15
https://instantview.telegram.org/checklist#6-1-2-date-and-time
6.1.2 Date and time
...Support for time zones is optional, unless the time zone is reliably identifiable from the source in which case it’s obligatory.