/*
2008.5.3-2008.5.8
呵呵!最近沒什麼是,打算自己做個萬年曆,下面是我在網上下的一個程序,
void solar_lunar(unsigned int kp_year,unsigned char kp_month,unsigned char kp_day)
這個函數是我寫的,測試了一下基本上沒出什麼問題
在 WIN-TC運行過的。
*/
#include<stdio.h>
/*
陽曆1900.1.1
在陽曆爲1900.1.31 時陰曆爲1900.1.1 即1900年正月初一
*/
unsigned int solar_year=0,lunar_year=0;
unsigned char solar_month=0,lunar_month=0;
unsigned int solar_day=0,lunar_day=0;
/*1900-2050年的農曆數據
數據格式說明：
5位十六進制數字 例:04bd8
1 位: 1表示閏月30天，0表示29天
2、3、4位: 轉換二進制爲:0100 1011 1101(1爲30天，0爲29天)
04bd8表示爲(13個月):29,30,29,29,30,29,30,30,30(閏8月),30,30,29,30;
5 位: 如果有閏月，則爲月份，沒有則爲0*/
unsigned long int lunar_info[]=
{
0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,
0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,
0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,
0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5b0,0x14573,0x052b0,0x0a9a8,0x0e950,0x06aa0,
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b6a0,0x195a6,
0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570, //1980
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,
0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5, //2004 07552
0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,
0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530, //2028
0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,
0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0,
0x14b63
};
//#############################################
//---------------------------------------------
unsigned char get_leap_month(unsigned int lunar_year) //確定是否存在農曆的閏月 並返回閏月
{
return lunar_info[lunar_year-1900]&0xf;
}
//---------------------------------------------
unsigned char get_leap_month_day(unsigned int lunar_year) //若存在閏月,返回閏月的天數,30?29
{
if(get_leap_month(lunar_year))
return( ( (lunar_info[lunar_year-1900]) & 0x10000 ) ? 30:29 );
else
return(0);
}
//---------------------------------------------
unsigned char get_lunar_month_total(unsigned int lunar_year, unsigned char lunar_month) //確定農曆當月天數,30?29
{
return( (lunar_info[lunar_year-1900] & (0x10000>>lunar_month) ) ? 30:29 );
}
//---------------------------------------------
unsigned int get_lunar_year_total(unsigned int lunar_year) // 農曆當年總天數,354?355 384 383
{
/*sum=12*29 */ //12個月 29天一月
unsigned int sum=348;
unsigned int i;
for(i=0x8000;i>0x8; i>>=1)
sum+=(lunar_info[lunar_year-1900]&i)?1:0; //把大月的1加進去
return(sum+get_leap_month_day(lunar_year)); //判斷這年是否有閏月
}
//---------------------------------------------
//#############################################
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//---------------------------------------------
unsigned int leap(unsigned int year) //判斷是否爲閏年
{
if( (year%4==0 &&year%100!=0) || year%400==0 )
return 366;
else
return 365;
}
//--------------------------------------
unsigned char day(unsigned int year ,unsigned char month) //判斷當年當月天數
{
if(month==1||month==3||month==5||month==7||month==8||month==10||month==12)
return 31;
if(month==4||month==6||month==9||month==11)
return 30;
if(month==2&&leap(year)==366)
return 29;
else
return 28;
}
//-------------------------------------------
//計算1900.1.1 到 輸入年月的天數
unsigned int get_solar_total(unsigned int solar_year, unsigned char solar_month)
{
unsigned int total;
unsigned int temp_num;
total=0;
for(temp_num=1900;temp_num<solar_year;temp_num++)
total+=leap(temp_num);
for(temp_num=1;temp_num<solar_month;temp_num++)
total+=day(solar_year,temp_num);
return total;
}
//----------------------------------------
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
unsigned char solar_lunar(unsigned int kp_year,unsigned char kp_month,unsigned char kp_day)/* 輸入陽曆時期 年 月 日 */
{
unsigned int total_day=0;/*記錄農曆1900.1.1日到今天相隔的天數 */
unsigned char run_yue_flag=0,run_yue=0,year_flag=0;
if(kp_year<1900 || kp_year>2050 || kp_month>12 || kp_month==0 || (kp_year==1900 && kp_month==1) )
return 0;
if(kp_day>day(kp_year,kp_month) || kp_day==0)
return 0;
total_day=get_solar_total( kp_year, kp_month)+kp_day-30; /* 陽曆從1900.1.31(農曆1900.1.1)到今天的總天數(減30 實際少了一天)。 */
lunar_year=1900;
while(total_day>385) //385大於一年 留出一年多的時間用於條件計算
{
total_day-=get_lunar_year_total(lunar_year); //
lunar_year++;
}
if(total_day>get_lunar_year_total(lunar_year)) //排除lunar_year有閏月的情況
{
total_day-=get_lunar_year_total(lunar_year);
lunar_year++;
}
run_yue=get_leap_month(lunar_year); //當前閏哪個月
if(run_yue)
run_yue_flag=1; //有閏月則一年爲13個月
else
run_yue_flag=0; //沒閏月則一年爲12個月
if(total_day==0) //剛好一年
{
lunar_day=get_lunar_month_total(lunar_year,12);
lunar_month=12;
}
else
{
lunar_month=1;
while(lunar_month<=12)
{
if( run_yue_flag==1 && lunar_month==(run_yue+1) ) //閏月處理
{
if(total_day>get_leap_month_day(lunar_year))
{
total_day-=get_leap_month_day(lunar_year); //該年閏月天數
}
//lunar_month--;
run_yue_flag=0;
continue;
}
if( total_day> get_lunar_month_total(lunar_year,lunar_month ) )
{
total_day=total_day-get_lunar_month_total(lunar_year,lunar_month); //該年該月天數
lunar_month++;
}
else
{
lunar_day=total_day;
break;
}
}
}
}
//--------------------------------------------
void main(void)
{
while(1)
{
printf("/nplease input Y M D:");
scanf("%d",&solar_year);
scanf("%d",&solar_month);
scanf("%d",&solar_day);
solar_lunar(solar_year,solar_month,solar_day);
printf("/nlunar_year:%u",lunar_year);
printf("/nlunar_month:%u",lunar_month);
printf("/nlunar_day:%u",lunar_day);
getch();
}
}