def fast(name: str, date_: date, lat: Optional[float], lng: Optional[float],
elevation: int, havdala_opinion: HavdalaChoices) -> Fast:
tz = get_tz(lat, lng)
diaspora = is_diaspora(tz)
is_9_av = True if name == 'fast_9_av' else None
havdala_params = HAVDALA_PARAMS[havdala_opinion.name]
data = {'moved_fast': False}
fast_date = _get_first_day_date(name, date_, diaspora)
# Deferred fasts
if name in ('fast_gedalia', 'fast_17_tammuz',
'fast_9_av') and fast_date.day_of_week == 7:
fast_date.forward(1)
data['moved_fast'] = True
if name == 'fast_esther' and fast_date.day_of_week == 7:
fast_date.forward(-2)
data['moved_fast'] = True
location = GeoLocation('', lat, lng, tz, elevation)
fast_calc = ZmanimCalendar(geo_location=location,
date=fast_date.gregorian_date)
if is_9_av:
eve_calc = ZmanimCalendar(geo_location=location,
date=(fast_date - 1).gregorian_date)
data['fast_start'] = eve_calc.shkia()
data['chatzot'] = fast_calc.chatzos()
else:
if fast_calc.alos():
data['fast_start'] = fast_calc.alos()
else:
eve_calc = ZmanimCalendar(geo_location=location,
date=(fast_date - 1).gregorian_date)
data['fast_start'] = eve_calc.chatzos() + timedelta(hours=12)
# calculate additional fast ending times:
# sunset = fast_calc.shkia()
# sba_time = (sunset + timedelta(minutes=31))
# nvr_time = (sunset + timedelta(minutes=28))
# ssk_time = (sunset + timedelta(minutes=25))
data['havdala'] = fast_calc.tzais(havdala_params)
settings = Settings(havdala_opinion=havdala_opinion,
coordinates=(lat, lng),
elevation=elevation,
date=date_,
fast_name=name)
return Fast(settings=settings, **data)
def test_chatzos(self):
calendar = ZmanimCalendar(geo_location=test_helper.lakewood(), date=date(2017, 10, 17))
self.assertEqual(calendar.chatzos().replace(microsecond=0).isoformat(), "2017-10-17T12:41:55-04:00")