Returns light version of TimeZoneFinder class and load all binary files into memory. Shows example of applying time zone to coordinates returned in a GeoJSON FeatureCollection.

timezone_finder_l.py

from timezonefinder import TimezoneFinderL

def timezone_finder_l():
  return TimeZoneFinderL(in_memory=True)

# Initialize class and load binary files into memory. 
get_timezone = timezone_finder_l()

# Return timezone for coordinates based on precomputed shortcuts.
get_timezone.timezone_at(
  lng=row['geometry.coordinates'][0],
  lat=row['geometry.coordinates'][1]
)