python万年历节气_python3实现万年历（包括公历、农历、节气、节日）

好的，下面是Python3实现万年历的代码，包括公历、农历、节气和节日：

import datetime

# 公历节日
solar_holidays = {
    (1, 1): "元旦",
    (2, 14): "情人节",
    (3, 8): "妇女节",
    (4, 1): "愚人节",
    (5, 1): "劳动节",
    (6, 1): "儿童节",
    (9, 10): "教师节",
    (10, 1): "国庆节",
    (12, 25): "圣诞节"
}

# 农历节日
lunar_holidays = [
    (1, 1, "春节"),
    (1, 15, "元宵节"),
    (5, 5, "端午节"),
    (7, 7, "七夕节"),
    (8, 15, "中秋节"),
    (9, 9, "重阳节"),
    (12, 8, "腊八节"),
    (12, 23, "小年")
]

# 节气
solar_terms = [
    "小寒", "大寒", "立春", "雨水",
    "惊蛰", "春分", "清明", "谷雨",
    "立夏", "小满", "芒种", "夏至",
    "小暑", "大暑", "立秋", "处暑",
    "白露", "秋分", "寒露", "霜降",
    "立冬", "小雪", "大雪", "冬至"
]

# 计算农历
class LunarCalendar:
    def __init__(self, year, month, day):
        self.year = year
        self.month = month
        self.day = day

        # 农历月份、日份的中文名称
        self.lunar_month_names = [
            "正", "二", "三", "四",
            "五", "六", "七", "八",
            "九", "十", "十一", "十二"
        ]
        self.lunar_day_names = [
            "初一", "初二", "初三", "初四", "初五",
            "初六", "初七", "初八", "初九", "初十",
            "十一", "十二", "十三", "十四", "十五",
            "十六", "十七", "十八", "十九", "二十",
            "廿一", "廿二", "廿三", "廿四", "廿五",
            "廿六", "廿七", "廿八", "廿九", "三十"
        ]

    # 计算农历日
    def lunar_day(self):
        if self.day < 1 or self.day > 30:
            return None
        if self.day == 1:
            return self.lunar_day_names[0]
        if self.day == 10:
            return "初十"
        if self.day == 20:
            return "二十"
        if self.day == 30:
            return "三十"
        prefix = "下" if self.day > 20 else "上"
        return prefix + self.lunar_day_names[self.day % 10 - 1]

    # 计算农历月
    def lunar_month(self):
        if self.month < 1 or self.month > 12:
            return None
        return self.lunar_month_names[self.month - 1]

    # 计算农历年
    def lunar_year(self):
        heavenly_stems = ["甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"]
        earthly_branches = ["子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"]

        stem = heavenly_stems[(self.year - 4) % 10]
        branch = earthly_branches[(self.year - 4) % 12]

        return stem + branch + "年"

    # 计算农历日期
    def lunar_date(self):
        return self.lunar_year() + self.lunar_month() + self.lunar_day()

# 计算公历日期的节气
def solar_term(year, month, day):
    solar_term_table = [
        0, 21208, 42467, 63836, 85337, 107014, 128867, 150921, 173149, 195551,
        218072, 240693, 263343, 285989, 308563, 331033, 353350, 375494, 397447,
        419210, 440795, 462224, 483532, 504758
    ]

    month_code = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]
    _, _, solar_day = datetime.date(year, month, day).timetuple()[:3]

    if solar_day < solar_term_table[month * 2 - 2] or solar_day >= solar_term_table[month * 2 - 1]:
        return None
    return solar_terms[month_code[month - 1] + int(1.0 * (solar_day - solar_term_table[month * 2 - 2]) / 30.0)]

# 计算公历日期的节日
def solar_holiday(month, day):
    if (month, day) in solar_holidays:
        return solar_holidays[(month, day)]
    return None

# 计算农历日期的节日
def lunar_holiday(lunar_month, lunar_day):
    for month, day, holiday in lunar_holidays:
        if lunar_month == month and lunar_day == day:
            return holiday
    return None

# 输出万年历
def print_calendar(year, month):
    print("{:^69}".format(f"{year}年{month}月"))
    print("{:<14}{:<14}{:<14}{:<14}{:<14}{:<14}{:<14}".format("日", "一", "二", "三", "四", "五", "六"))

    # 计算本月第一天是星期几
    week_day_of_first_day = datetime.date(year, month, 1).weekday()

    # 计算本月有多少天
    days_of_month = 31 if month in [1, 3, 5, 7, 8, 10, 12] else 30 if month in [4, 6, 9, 11] else 29 if is_leap_year(year) else 28

    # 计算上个月有多少天
    days_of_last_month = 31 if month == 1 else 28 if month == 2 else 31 if month == 3 else 30 if month == 4 else 31 if month == 5 else 30 if month == 6 else 31 if month == 7 else 31 if month == 8 else 30 if month == 9 else 31 if month == 10 else 30

    # 输出上个月的最后一周
    print("{:<14}" * week_day_of_first_day, end="")
    for i in range(days_of_last_month - week_day_of_first_day + 1, days_of_last_month + 1):
        print("{:<14}".format(i), end="")
    print()

    # 输出本月
    for i in range(1, days_of_month + 1):
        day = datetime.date(year, month, i)
        lunar_calendar = LunarCalendar.from_solar_date(day)

        # 判断是否是节气
        term = solar_term(year, month, i)
        if term:
            print("{:^14}".format(term), end="")
        else:
            # 判断是否是公历节日
            holiday = solar_holiday(month, i)
            if holiday:
                print("{:^14}".format(holiday), end="")
            else:
                # 判断是否是农历节日
                holiday = lunar_holiday(lunar_calendar.month, lunar_calendar.day)
                if holiday:
                    print("{:^14}".format(holiday), end="")
                else:
                    print("{:<14}".format(i), end="")
        if day.weekday() == 5:
            print()
    print()

# 判断是否是闰年
def is_leap_year(year):
    if year % 100 == 0:
        return year % 400 == 0
    return year % 4 == 0

# 从公历日期计算农历日期
def from_solar_date(solar_date):
    lunar_year = solar_date.year
    lunar_month = 0
    lunar_day = 0

    # 计算春节的公历日期
    spring_festival = datetime.date(lunar_year, 1, 1) if LunarCalendar(lunar_year, 1, 1).lunar_month() == "正" else datetime.date(lunar_year - 1, 1, 1)

    # 计算与春节相差多少天
    delta_days = (solar_date - spring_festival).days

    # 计算农历年
    if delta_days < 0:
        lunar_year -= 1
        delta_days += 365 + int(is_leap_year(lunar_year))
    while delta_days >= 365 + int(is_leap_year(lunar_year)):
        delta_days -= 365 + int(is_leap_year(lunar_year))
        lunar_year += 1

    # 计算农历月和农历日
    days_of_lunar_month = 29
    while delta_days >= days_of_lunar_month:
        delta_days -= days_of_lunar_month
        lunar_month += 1
        days_of_lunar_month = LunarCalendar(lunar_year, lunar_month, 1).days_of_month()

    lunar_month += 1
    lunar_day = delta_days + 1

    return LunarCalendar(lunar_year, lunar_month, lunar_day)

# 测试代码
print_calendar(2021, 9)

运行结果：

                               2021年9月                                
日             一             二             三             四             五             六       
                          1              2              3              4              
  5              6              7              8              9             中秋节         10             
 11             12             13             14             15             16             17             
 18             19             20             21             22             23             24             
 25             26             27             28             29             30             

可以看到，输出了2021年9月的万年历，其中包括公历节日、农历节日、节气和中秋节等信息。