macOS Catalina Patcher. Download and instructions available at http://dosdude1.com/catalina pic.twitter.com/5P6udnA3Rv
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Tried updating date and time via the terminal but no luck. After a full reformat and starting again I now have Catalina on my MBP 2009, thanks!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.