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daTokenizer/so_wrong_but_so_right_timezones.py

Last active December 7, 2015 15:58
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so_wrong_but_so_right_timezones.py
@staticmethod
def timezoneDiffFromGMT(lat, lon):
lon_degrees_per_timezone_hour = 360/24
utc_centeral_lon_degrees = lon_degrees_per_timezone_hour * 12
lon_degrees_from_utc = lon - utc_centeral_lon_degrees
return lon_degrees_from_utc / lon_degrees_per_timezone_hour
def isNight(lat, lon):
hour_at_location = time.gmtime().tm_hour + timezoneDiffFromGMT(lat, lon)
return not 5 < hour_at_location < 22 #set aprox day start and day end times as you like
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