Barname Kon is telegram bot which create "Add to Google Calendar" link for your bot. It only accept Jalali date and Tehran time.
I use this medium post and official pyTelegramBOTAPI documents
I think fast,best and cheapest 😁 way for deploy your Bot is heroku. This post really help me to do that.
I oppened two issue that explain my ideas for improving this project. So feel free to send pull request or open new issue.
2021/3/29 : Solve the problem of summer time. (Barnamekon set time 1 hour ahead when summer time come.)