How to use hdate - 3 common examples

def make_zmanim(self, date):
        """Create a Zmanim object."""
        return hdate.Zmanim(
            date=date,
            location=self._location,
            candle_lighting_offset=self._candle_lighting_offset,
            havdalah_offset=self._havdalah_offset,
            hebrew=self._hebrew,
        )

async def async_update(self):
        """Update the state of the sensor."""
        now = dt_util.now()
        _LOGGER.debug("Now: %s Location: %r", now, self._location)

        today = now.date()
        sunset = dt_util.as_local(
            get_astral_event_date(self.hass, SUN_EVENT_SUNSET, today)
        )

        _LOGGER.debug("Now: %s Sunset: %s", now, sunset)

        date = hdate.HDate(today, diaspora=self._diaspora, hebrew=self._hebrew)

        # The Jewish day starts after darkness (called "tzais") and finishes at
        # sunset ("shkia"). The time in between is a gray area (aka "Bein
        # Hashmashot" - literally: "in between the sun and the moon").

        # For some sensors, it is more interesting to consider the date to be
        # tomorrow based on sunset ("shkia"), for others based on "tzais".
        # Hence the following variables.
        after_tzais_date = after_shkia_date = date
        today_times = self.make_zmanim(today)

        if now > sunset:
            after_shkia_date = date.next_day

        if today_times.havdalah and now > today_times.havdalah:
            after_tzais_date = date.next_day

async def async_setup(hass, config):
    """Set up the Jewish Calendar component."""
    name = config[DOMAIN][CONF_NAME]
    language = config[DOMAIN][CONF_LANGUAGE]

    latitude = config[DOMAIN].get(CONF_LATITUDE, hass.config.latitude)
    longitude = config[DOMAIN].get(CONF_LONGITUDE, hass.config.longitude)
    diaspora = config[DOMAIN][CONF_DIASPORA]

    candle_lighting_offset = config[DOMAIN][CONF_CANDLE_LIGHT_MINUTES]
    havdalah_offset = config[DOMAIN][CONF_HAVDALAH_OFFSET_MINUTES]

    location = hdate.Location(
        latitude=latitude,
        longitude=longitude,
        timezone=hass.config.time_zone,
        diaspora=diaspora,
    )

    hass.data[DOMAIN] = {
        "location": location,
        "name": name,
        "language": language,
        "candle_lighting_offset": candle_lighting_offset,
        "havdalah_offset": havdalah_offset,
        "diaspora": diaspora,
    }

    hass.async_create_task(async_load_platform(hass, "sensor", DOMAIN, {}, config))