Calculate GMT Time Zone using Python

gmt-timezone.py

# Copyright 2020 Alvaro Bartolome @ alvarobartt in GitHub

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# First of all, calculate the difference between your local date and the GMT date (which corresponds to the GMT 00:00 timezone)
diff = datetime.strptime(strftime('%d/%m/%Y %H:%M', localtime()), '%d/%m/%Y %H:%M') - \
	datetime.strptime(strftime('%d/%m/%Y %H:%M', gmtime()), '%d/%m/%Y %H:%M')

# Then calculate both the hour and minutes difference between both datetime.datetime object, which now is a datetime.timedelta object
hour_diff = int(diff.total_seconds() / 3600)
min_diff = int(diff.total_seconds() % 3600) * 60

if hour_diff != 0:
	time_zone = "GMT " + ('+' if hour_diff > 0 else '') + str(hour_diff) + ":" + ('00' if min_diff < 30 else '30')
else:
	time_zone = "GMT 00:00"