loop.py

from zhdate import ZhDate
from datetime import datetime


def nextYear(date):
    date = datetime(date.year + 1, date.month, date.day)
    zhDate = ZhDate.from_datetime(date)
    return date, zhDate
def matched(date, zhDate, orignalDate, originalZhDate):
    month = date.month == orignalDate.month and zhDate.lunar_month == originalZhDate.lunar_month 
    day = date.day == originalDate.day and zhDate.lunar_day == originalZhDate.lunar_day
    return month and day

while True:
    dateStr = input("please input date(1900-01-01):")
    date = datetime.strptime(dateStr, "%Y-%m-%d")
    zhDate = ZhDate.from_datetime(date)

    originalDate = date
    originalZhDate = zhDate
    print(originalDate.date(), originalZhDate)
    i = 0
    while i < 100:
        date, zhDate = nextYear(date)
        if matched(date, zhDate, originalDate, originalZhDate):
            print(date.date(), zhDate)
        i += 1

requirements:
pip install zhdate