In my project (made in Virtual Environment), when I run the server, it gives me no errors. But when I open the 127.0.0.1:8000 , it gives me an error saying: A server error occurred. Please contact the administrator. Had referred the below post to set the timezone to 'Asia/kolkata':- How to add Indian Standard Time (IST) in Django? It worked fine till yesterday and today I got an error in prompt as: File "C:\Users\Ajay\Anaconda3\lib\site-packages\pytz\__init__.py", line 181, in timezone raise UnknownTimeZoneError(zone) pytz.exceptions.UnknownTimeZoneError: 'Asia/kolkata' How to tackle this? (Using Django V2.1) Continue reading...