docs: def sun_events(latitude, longitude, date, timezone=0, zenith=None):
      """Convenience function for calculating sunrise and sunset.
  
      Civil twilight starts/ends when the Sun's centre is 6 degrees below
      the horizon.
  
      Nautical twilight starts/ends when the Sun's centre is 12 degrees
      below the horizon.
  
      Astronomical twilight starts/ends when the Sun's centre is 18 degrees below
      the horizon.
  
      Args:
          latitude (float): Location's latitude
          longitude (float): Location's longitude
          date (datetime.date): Calculate rise or set for given date
          timezone (int): Offset from UTC in minutes
          zenith (str): Calculate rise/set events, or twilight times
  
      Returns:
          tuple of datetime.time: The time for the given events in the specified
              timezone
      """
      return (sun_rise_set(latitude, longitude, date, 'rise', timezone, zenith),
              sun_rise_set(latitude, longitude, date, 'set', timezone, zenith))