v1.3.3 优化八字转阳历；修复少量农历年的月份错误；新增农历年天数和当年月份列表。

v1.3.2 修复阳历推移错误的问题。
2026-04-15 21:08:40 +08:00 · 2023-03-11 19:15:02 +08:00 · 2023-02-20 20:57:45 +08:00
5 changed files with 236 additions and 96 deletions
--- a/tests/Lunar.test.js
+++ b/tests/Lunar.test.js
@@ -590,3 +590,53 @@ test('test058', () => {
  const lunar = Lunar.fromYmd(1582, 9, 19);
  expect(lunar.getSolar().toString()).toBe('1582-10-15');
 });
+
+test('test059', () => {
+  const lunar = Lunar.fromYmd(1518, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('1518-02-10');
+});
+
+test('test060', () => {
+  const lunar = Lunar.fromYmd(793, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0793-02-15');
+});
+
+test('test061', () => {
+  const lunar = Lunar.fromYmd(2025, -6, 1);
+  expect(lunar.getSolar().toString()).toBe('2025-07-25');
+});
+
+test('test062', () => {
+  const lunar = Lunar.fromYmd(2025, 6, 1);
+  expect(lunar.getSolar().toString()).toBe('2025-06-25');
+});
+
+test('test063', () => {
+  const lunar = Lunar.fromYmd(193, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0193-02-19');
+});
+
+test('test064', () => {
+  const lunar = Lunar.fromYmd(288, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0288-02-19');
+});
+
+test('test065', () => {
+  const lunar = Lunar.fromYmd(755, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0755-02-16');
+});
+
+test('test066', () => {
+  const lunar = Lunar.fromYmd(41, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0041-02-20');
+});
+
+test('test067', () => {
+  const lunar = Lunar.fromYmd(57, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0057-02-23');
+});
+
+test('test068', () => {
+  const lunar = Lunar.fromYmd(345, 1, 1);
+  expect(lunar.getSolar().toString()).toBe('0345-02-18');
+});
--- a/tests/LunarYear.test.js
+++ b/tests/LunarYear.test.js
@@ -92,3 +92,18 @@ test('test18', () => {
  const year = LunarYear.fromYear(2022);
  expect(year.getJieQiJulianDays()).toStrictEqual([2459555.7478605337, 2459570.499405936, 2459585.217980813, 2459599.9437018055, 2459614.7018054826, 2459629.5297495862, 2459644.446920318, 2459659.4814200983, 2459674.6389274267, 2459689.9334118855, 2459705.3512322665, 2459720.890569021, 2459736.517794922, 2459752.2178259823, 2459767.9429320656, 2459783.6713957503, 2459799.3534378354, 2459814.969435438, 2459830.480632029, 2459845.8774438635, 2459861.140466851, 2459876.2746654437, 2459891.281458942, 2459906.1807667296, 2459920.9903281447, 2459935.741672728, 2459950.461561025, 2459965.187040542, 2459979.9460747372, 2459994.7736723446, 2460009.6916930582]);
 });
+
+test('test19', () => {
+  const year = LunarYear.fromYear(2021);
+  expect(year.getDayCount()).toBe(354);
+});
+
+test('test20', () => {
+  const year = LunarYear.fromYear(2023);
+  expect(year.getDayCount()).toBe(384);
+});
+
+test('test21', () => {
+  const year = LunarYear.fromYear(1517);
+  expect(year.getDayCount()).toBe(384);
+});
--- a/tests/Solar.test.js
+++ b/tests/Solar.test.js
@@ -92,3 +92,45 @@ test('19', () => {
  })
  expect(timeList).toStrictEqual(['2020-07-21 22:00:00', '1960-08-05 22:00:00']);
 });
+
+test('20', () => {
+  const solar = Solar.fromYmd(1582, 10, 4);
+  expect(solar.nextDay(1).toYmd()).toBe('1582-10-15');
+});
+
+test('21', () => {
+  const solar = Solar.fromYmd(1582, 10, 15);
+  expect(solar.nextDay(-1).toYmd()).toBe('1582-10-04');
+});
+
+test('22', () => {
+  const solar = Solar.fromYmd(1582, 10, 15);
+  expect(solar.nextDay(-5).toYmd()).toBe('1582-09-30');
+});
+
+test('23', () => {
+  const solarList = Solar.fromBaZi('癸卯', '甲寅', '癸丑', '甲子', 2, 1843);
+  const timeList = [];
+  solarList.forEach(solar => {
+    timeList.push(solar.toYmdHms());
+  })
+  expect(timeList).toStrictEqual(['2023-02-24 23:00:00', '1843-02-08 23:00:00']);
+});
+
+test('24', () => {
+  const solarList = Solar.fromBaZi('己亥', '丁丑', '壬寅', '戊申');
+  const timeList = [];
+  solarList.forEach(solar => {
+    timeList.push(solar.toYmdHms());
+  })
+  expect(timeList).toStrictEqual(['1960-01-15 16:00:00', '1900-01-29 16:00:00']);
+});
+
+test('25', () => {
+  const solarList = Solar.fromBaZi('己亥', '丙子', '癸酉', '庚申');
+  const timeList = [];
+  solarList.forEach(solar => {
+    timeList.push(solar.toYmdHms());
+  })
+  expect(timeList).toStrictEqual(['1959-12-17 16:00:00']);
+});
--- a/lunar.js
+++ b/lunar.js
@@ -128,27 +128,32 @@
        isAfter: function(solar) {
          if (this._p.year > solar.getYear()) {
            return true;
-          } else if (this._p.year < solar.getYear()) {
+          }
+          if (this._p.year < solar.getYear()) {
            return false;
          }
          if (this._p.month > solar.getMonth()) {
            return true;
-          } else if (this._p.month < solar.getMonth()) {
+          }
+          if (this._p.month < solar.getMonth()) {
            return false;
          }
          if (this._p.day > solar.getDay()) {
            return true;
-          } else if (this._p.day < solar.getDay()) {
+          }
+          if (this._p.day < solar.getDay()) {
            return false;
          }
          if (this._p.hour > solar.getHour()) {
            return true;
-          } else if (this._p.hour < solar.getHour()) {
+          }
+          if (this._p.hour < solar.getHour()) {
            return false;
          }
          if (this._p.minute > solar.getMinute()) {
            return true;
-          } else if (this._p.minute < solar.getMinute()) {
+          }
+          if (this._p.minute < solar.getMinute()) {
            return false;
          }
          return this._p.second > solar.getSecond();
@@ -156,27 +161,32 @@
        isBefore: function(solar) {
          if (this._p.year > solar.getYear()) {
            return false;
-          } else if (this._p.year < solar.getYear()) {
+          }
+          if (this._p.year < solar.getYear()) {
            return true;
          }
          if (this._p.month > solar.getMonth()) {
            return false;
-          } else if (this._p.month < solar.getMonth()) {
+          }
+          if (this._p.month < solar.getMonth()) {
            return true;
          }
          if (this._p.day > solar.getDay()) {
            return false;
-          } else if (this._p.day < solar.getDay()) {
+          }
+          if (this._p.day < solar.getDay()) {
            return true;
          }
          if (this._p.hour > solar.getHour()) {
            return false;
-          } else if (this._p.hour < solar.getHour()) {
+          }
+          if (this._p.hour < solar.getHour()) {
            return true;
          }
          if (this._p.minute > solar.getMinute()) {
            return false;
-          } else if (this._p.minute < solar.getMinute()) {
+          }
+          if (this._p.minute < solar.getMinute()) {
            return true;
          }
          return this._p.second < solar.getSecond();
@@ -334,12 +344,7 @@
          if (2 === m) {
            if (d > 28) {
              if (!SolarUtil.isLeapYear(y)) {
-                d -= 28;
-                m++;
-                if (m > 12) {
-                  m = 1;
-                  y++;
-                }
+                d = 28;
              }
            }
          }
@@ -356,8 +361,7 @@
          if (isNaN(months)) {
            throw new Error('wrong months ' + om);
          }
-          var month = SolarMonth.fromYm(this._p.year, this._p.month);
-          month = month.next(months);
+          var month = SolarMonth.fromYm(this._p.year, this._p.month).next(months);
          var y = month.getYear();
          var m = month.getMonth();
          var d = this._p.day;
@@ -365,12 +369,7 @@
          if (2 === m) {
            if (d > 28) {
              if (!SolarUtil.isLeapYear(y)) {
-                d -= 28;
-                m++;
-                if (m > 12) {
-                  m = 1;
-                  y++;
-                }
+                d = 28;
              }
            }
          }
@@ -390,33 +389,36 @@
          var y = this._p.year;
          var m = this._p.month;
          var d = this._p.day;
+          if (1582 === y && 10 === m) {
+            if (d > 4) {
+              d -= 10
+            }
+          }
          if (days > 0) {
-            d = this._p.day + days;
+            d += days;
            var daysInMonth = SolarUtil.getDaysOfMonth(y, m);
            while (d > daysInMonth) {
              d -= daysInMonth;
              m++;
              if (m > 12) {
-                m -= 12;
+                m = 1;
                y++;
              }
              daysInMonth = SolarUtil.getDaysOfMonth(y, m);
            }
          } else if (days < 0) {
-            var rest = -days;
-            while (d <= rest) {
-              rest -= d;
+            while (d + days <= 0) {
              m--;
              if (m < 1) {
                m = 12;
                y--;
              }
-              d = SolarUtil.getDaysOfMonth(y, m);
+              d += SolarUtil.getDaysOfMonth(y, m);
            }
-            d -= rest;
+            d += days;
          }
          if (1582 === y && 10 === m) {
-            if (d > 4 && d < 15) {
+            if (d > 4) {
              d += 10;
            }
          }
@@ -502,10 +504,15 @@
    var _fromBaZi=function(yearGanZhi,monthGanZhi,dayGanZhi,timeGanZhi,sect,baseYear){
      sect *= 1;
      if(isNaN(sect)){
-        sect=2;
+        sect = 2;
+      }
+      if (1 !== sect) {
+        sect = 2;
+      }
+      baseYear *= 1;
+      if(isNaN(baseYear)){
+        baseYear = 1900;
      }
-      sect = (1===sect)?1:2;
-      baseYear = (undefined===baseYear)?1900:baseYear;
      var l = [];
      var years = [];
      var today = _fromDate(new Date());
@@ -514,31 +521,42 @@
        offsetYear += 60;
      }
      var startYear = today.getYear() - offsetYear - 1;
-      while (true) {
+      var minYear = baseYear - 2;
+      while (startYear >= minYear) {
        years.push(startYear);
        startYear -= 60;
-        if (startYear < baseYear) {
-          years.push(baseYear);
+      }
+      var hours = [];
+      var timeZhi = timeGanZhi.substr(1);
+      var i = 1;
+      var j = LunarUtil.ZHI.length;
+      for(;i<j;i++){
+        if(LunarUtil.ZHI[i]===timeZhi){
+          hours.push((i-1)*2);
          break;
        }
      }
-      var hour = 0;
-      var timeZhi = timeGanZhi.substr(1);
-      for(var i=0,j=LunarUtil.ZHI.length;i<j;i++){
-        if(LunarUtil.ZHI[i]===timeZhi){
-          hour = (i-1)*2;
-        }
+      if ('子' === timeZhi) {
+        hours.push(23);
      }
-      for (var i = 0, j = years.length; i < j; i++) {
-        inner:for (var x = 0; x < 3; x++) {
-          var year = years[i] + x;
-          var solar = _fromYmdHms(year, 1, 1, hour, 0, 0);
-          while (solar.getYear() === year) {
+      j = years.length;
+      for (var m = 0, n = hours.length; m < n; m++) {
+        for (i = 0;i < j; i++) {
+          var y = years[i];
+          var maxYear = y + 3;
+          var year = y;
+          var month = 11;
+          if (year < baseYear) {
+            year = baseYear;
+            month = 1;
+          }
+          var solar = _fromYmdHms(year, month, 1, hours[m], 0, 0);
+          while (solar.getYear() <= maxYear) {
            var lunar = solar.getLunar();
-            var dgz = (2===sect)?lunar.getDayInGanZhiExact2():lunar.getDayInGanZhiExact();
-            if (lunar.getYearInGanZhiExact()===yearGanZhi && lunar.getMonthInGanZhiExact()===monthGanZhi && dgz===dayGanZhi && lunar.getTimeInGanZhi()===timeGanZhi) {
+            var dgz = (2 === sect) ? lunar.getDayInGanZhiExact2() : lunar.getDayInGanZhiExact();
+            if (lunar.getYearInGanZhiExact() === yearGanZhi && lunar.getMonthInGanZhiExact() === monthGanZhi && dgz === dayGanZhi && lunar.getTimeInGanZhi() === timeGanZhi) {
              l.push(solar);
-              break inner;
+              break;
            }
            solar = solar.next(1);
          }
@@ -720,9 +738,7 @@
      var lms = ly.getMonths();
      for (var i = 0, j = lms.length; i < j; i++) {
        var m = lms[i];
-        // 初一
-        var firstDay = Solar.fromJulianDay(m.getFirstJulianDay());
-        var days = solar.subtract(firstDay);
+        var days = solar.subtract(Solar.fromJulianDay(m.getFirstJulianDay()));
        if (days < m.getDayCount()) {
          lunarYear = m.getYear();
          lunarMonth = m.getMonth();
@@ -1830,8 +1846,7 @@
            start = this._p.jieQi['冬至'];
            startDay = Solar.fromYmd(start.getYear(), start.getMonth(), start.getDay());
          }
-          var endDay = Solar.fromYmd(start.getYear(), start.getMonth(), start.getDay());
-          endDay = endDay.next(81);
+          var endDay = Solar.fromYmd(start.getYear(), start.getMonth(), start.getDay()).next(81);
          if (currentDay.isBefore(startDay) || (!currentDay.isBefore(endDay))) {
            return null;
          }
@@ -1912,8 +1927,7 @@
          var current = Solar.fromYmd(this._p.solar.getYear(),this._p.solar.getMonth(),this._p.solar.getDay());
          var startSolar = jieQi.getSolar();
          var start = Solar.fromYmd(startSolar.getYear(),startSolar.getMonth(),startSolar.getDay());
-          var days = current.subtract(start);
-          var index = Math.floor(days / 5);
+          var index = Math.floor(current.subtract(start) / 5);
          if (index > 2) {
            index = 2;
          }
@@ -2008,8 +2022,7 @@
         * @return number 周序号，从1开始
         */
        getIndex:function(){
-          var firstDayWeek = Solar.fromYmd(this._p.year,this._p.month,1).getWeek();
-          var offset = firstDayWeek - this._p.start;
+          var offset = Solar.fromYmd(this._p.year,this._p.month,1).getWeek() - this._p.start;
          if(offset < 0) {
            offset += 7;
          }
@@ -2020,8 +2033,7 @@
         * @return number 周序号，从1开始
         */
        getIndexInYear:function(){
-          var firstDayWeek = Solar.fromYmd(this._p.year,1,1).getWeek();
-          var offset = firstDayWeek - this._p.start;
+          var offset = Solar.fromYmd(this._p.year,1,1).getWeek() - this._p.start;
          if(offset < 0) {
            offset += 7;
          }
@@ -2065,10 +2077,10 @@
                    week = _fromYmd(solar.getYear(), solar.getMonth(), solar.getDay(), start);
                  }
                } else {
-                  var size = SolarUtil.getWeeksOfMonth(week.getYear(), week.getMonth(), this._p.start);
+                  var size = SolarUtil.getWeeksOfMonth(week.getYear(), week.getMonth(), start);
                  if (size === index) {
                    var lastDay = week.getFirstDay().next(6);
-                    week = _fromYmd(lastDay.getYear(), lastDay.getMonth(), lastDay.getDay(), this._p.start);
+                    week = _fromYmd(lastDay.getYear(), lastDay.getMonth(), lastDay.getDay(), start);
                    weekMonth = week.getMonth();
                  } else {
                    solar = Solar.fromYmd(week.getYear(), week.getMonth(), SolarUtil.getDaysOfMonth(week.getYear(), week.getMonth()));
@@ -2299,8 +2311,7 @@
          if(isNaN(seasons)){
            throw new Error('wrong seasons ' + os);
          }
-          var month = SolarMonth.fromYm(this._p.year, this._p.month);
-          month = month.next(3 * seasons);
+          var month = SolarMonth.fromYm(this._p.year, this._p.month).next(3 * seasons);
          return _fromYm(month.getYear(), month.getMonth());
        },
        /**
@@ -2373,8 +2384,7 @@
          if(isNaN(halfYears)){
            throw new Error('wong halfYears ' + oh);
          }
-          var month = SolarMonth.fromYm(this._p.year, this._p.month);
-          month = month.next(6 * halfYears);
+          var month = SolarMonth.fromYm(this._p.year, this._p.month).next(6 * halfYears);
          return _fromYm(month.getYear(), month.getMonth());
        },
        /**
@@ -2503,6 +2513,26 @@
        getZhi:function(){return LunarUtil.ZHI[this._p.zhiIndex+1];},
        getGanZhi:function(){return this.getGan()+this.getZhi();},
        getJieQiJulianDays:function(){return this._p.jieQiJulianDays;},
+        getDayCount:function(){
+          var n = 0;
+          for (var i = 0, j = this._p.months.length; i < j; i++) {
+            var m = this._p.months[i];
+            if (m.getYear() === this._p.year) {
+              n += m.getDayCount();
+            }
+          }
+          return n;
+        },
+        getMonthsInYear:function(){
+          var l = [];
+          for (var i = 0, j = this._p.months.length; i < j; i++) {
+            var m = this._p.months[i];
+            if (m.getYear() === this._p.year) {
+              l.push(m);
+            }
+          }
+          return l;
+        },
        getMonths:function(){return this._p.months;},
        getMonth:function(lunarMonth){
          var om = lunarMonth;
@@ -2676,7 +2706,9 @@
          // 冬至前的初一
          var w = ShouXingUtil.calcShuo(jq[0]);
          if (w > jq[0]) {
-            w -= 29.5306;
+            if (currentYear !== 41 && currentYear !== 193 && currentYear !== 288 && currentYear !== 345 && currentYear !== 918 && currentYear !== 1013) {
+              w -= 29.5306;
+            }
          }
          // 递推每月初一
          for (i = 0; i < 16; i++) {
@@ -2687,39 +2719,40 @@
            dayCounts.push(Math.floor(hs[i + 1] - hs[i]));
          }

-          var currentYearLeap = _LEAP['_' + currentYear];
-          if (!currentYearLeap) {
-            currentYearLeap = -1;
-            if (hs[13] <= jq[24]) {
-              i = 1;
-              while (hs[i + 1] > jq[2 * i] && i < 13) {
-                i++;
+          var prevYear = currentYear - 1;
+          var leapYear = -1;
+          var leapIndex = -1;
+
+          var leap = _LEAP['_' + currentYear];
+          if (!leap) {
+            leap = _LEAP['_' + prevYear];
+            if (!leap) {
+              if (hs[13] <= jq[24]) {
+                i = 1;
+                while (hs[i + 1] > jq[2 * i] && i < 13) {
+                  i++;
+                }
+                leapYear = currentYear;
+                leapIndex = i;
              }
-              currentYearLeap = i;
+            } else {
+              leapYear = prevYear;
+              leapIndex = leap - 12;
            }
+          } else {
+            leapYear = currentYear;
+            leapIndex = leap;
          }

-          var prevYear = currentYear - 1;
-          var prevYearLeap = _LEAP['_' + prevYear];
-          prevYearLeap = prevYearLeap ? prevYearLeap - 12 : -1;
-
-          var y = this._p.year - 1;
+          var y = prevYear;
          var m = 11;
          for (i = 0, j = dayCounts.length; i < j; i++) {
            var cm = m;
-            var isNextLeap = false;
-            if (y === currentYear && i === currentYearLeap) {
+            if (y === leapYear && i === leapIndex) {
              cm = -cm;
-            } else if (y === prevYear && i === prevYearLeap) {
-              cm = -cm;
-            }
-            if (y === currentYear && i + 1 === currentYearLeap) {
-              isNextLeap = true;
-            } else if (y === prevYear && i + 1 === prevYearLeap) {
-              isNextLeap = true;
            }
            this._p.months.push(LunarMonth._(y, cm, dayCounts[i], hs[i] + Solar.J2000));
-            if (!isNextLeap) {
+            if (y !== leapYear || i + 1 !== leapIndex) {
              m++;
            }
            if (m === 13) {
@@ -4389,8 +4422,8 @@
        toString:function(){return this.getGanZhi();}
      };
    };
-    return  {
-      fromYmdHms:function(lunarYear,lunarMonth,lunarDay,hour,minute,second){return _fromYmdHms(lunarYear,lunarMonth,lunarDay,hour,minute,second);},
+    return {
+      fromYmdHms:function(lunarYear,lunarMonth,lunarDay,hour,minute,second){return _fromYmdHms(lunarYear,lunarMonth,lunarDay,hour,minute,second);}
    };
  })();
  var FotoUtil = (function(){
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "lunar-javascript",
-  "version": "1.3.1",
+  "version": "1.3.3",
  "description": "lunar is a calendar library for Solar and Chinese Lunar.",
  "main": "index.js",
  "scripts": {
Author	SHA1	Message	Date
6tail	853cb2f3a9	v1.3.3 优化八字转阳历；修复少量农历年的月份错误；新增农历年天数和当年月份列表。	2023-03-11 19:15:02 +08:00
6tail	13c251080b	v1.3.2 修复阳历推移错误的问题。	2023-02-20 20:57:45 +08:00