Birthday Counter bot

Telegram bot for tracking days until birthday with timezone support and a beautiful calendar!

Features
Registration with selecting birth date via a convenient calendar
Specifying your timezone (by city or geolocation)
Daily messages: how many days are left until the birthday
Changing birth date and timezone at any time
Supported commands:
/start — start registration
/menu — show main menu
/timezone — change timezone
Modern UX: all main actions available through buttons and commands