import pandas as pd
gagarin = pd.Timestamp('1961-04-12 12:07:00', tz='Asia/Almaty')
gagarin.astimezone('UTC')
# Timestamp('1961-04-12 06:07:00+0000', tz='UTC')
gagarin.astimezone('Europe/Moscow')
#Timestamp('1961-04-12 09:07:00+0300', tz='Europe/Moscow')
gagarin.astimezone('Europe/Warsaw')
# Timestamp('1961-04-12 07:07:00+0100', tz='Europe/Warsaw')
gagarin.astimezone('EST')
# Timestamp('1961-04-12 01:07:00-0500', tz='EST')
gagarin.astimezone('America/New_York')
# Timestamp('1961-04-12 01:07:00-0500', tz='America/New_York')