def get_next_rosh_chodesh(date_: date = None) -> RoshChodesh:
calendar = JewishCalendar(date_ or dt.now())
if calendar.is_rosh_chodesh():
return get_next_rosh_chodesh(date_ + timedelta(days=-1))
if calendar.jewish_month == 6:
return get_next_rosh_chodesh(date_ + timedelta(
days=calendar.days_in_jewish_month()))
month_length = calendar.days_in_jewish_month()
days_until_rh = 30 - calendar.jewish_day
calendar.forward(days_until_rh)
rh_dates = [calendar.gregorian_date.isoformat()]
if month_length == 30:
rh_dates.append(calendar.forward().gregorian_date.isoformat())
molad = calendar.molad()
molad_iso = dt(molad.gregorian_year, molad.gregorian_month,
molad.gregorian_day, molad.molad_hours, molad.molad_minutes)
rh_data = {
'month_name': calendar.jewish_month_name(),
'days': rh_dates,
'duration': 1 if month_length == 29 else 2,
'molad': [molad_iso, molad.molad_chalakim]
}
settings = SimpleSettings(date=date_ or dt.now())
return RoshChodesh(settings=settings, **rh_data)
def all_days_matching(year,
matcher,
in_israel=False,
use_modern_holidays=False):
calendar = JewishCalendar(year, 7, 1)
calendar.in_israel = in_israel
calendar.use_modern_holidays = use_modern_holidays
collection = {}
while calendar.jewish_year == year:
sd = matcher(calendar)
if sd:
if sd not in collection:
collection[sd] = []
collection[sd] += [
f'{calendar.jewish_month}-{calendar.jewish_day}'
]
calendar.forward()
return collection
def find_day(c: JewishCalendar):
found_days.append(c.day_of_omer())
c.forward()