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data.go
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package chronos
import (
"fmt"
"strconv"
)
var heavenlyStem = []string{
`甲`, `乙`, `丙`, `丁`, `戊`, `己`, `庚`, `辛`, `壬`, `癸`,
}
var earthyBranch = []string{
`子`, `醜`, `寅`, `卯`, `辰`, `巳`, `午`, `未`, `申`, `酉`, `戌`, `亥`,
}
var stemBranchTable = []string{
`甲子`, `乙丑`, `丙寅`, `丁卯`, `戊辰`, `己巳`, `庚午`, `辛未`, `壬申`, `癸酉`, `甲戌`, `乙亥`, //甲或己日
`丙子`, `丁丑`, `戊寅`, `己卯`, `庚辰`, `辛巳`, `壬午`, `癸未`, `甲申`, `乙酉`, `丙戌`, `丁亥`, //乙或庚日
`戊子`, `己丑`, `庚寅`, `辛卯`, `壬辰`, `癸巳`, `甲午`, `乙未`, `丙申`, `丁酉`, `戊戌`, `己亥`, //丙或辛日
`庚子`, `辛丑`, `壬寅`, `癸卯`, `甲辰`, `乙巳`, `丙午`, `丁未`, `戊申`, `己酉`, `庚戌`, `辛亥`, //丁或壬日
`壬子`, `癸丑`, `甲寅`, `乙卯`, `丙辰`, `丁巳`, `戊午`, `己未`, `庚申`, `辛酉`, `壬戌`, `癸亥`, //戊或癸日
}
var yearNumber = []int{
0x9, 0xE, 0x13, 0x18, 0x1E, 0x23, 0x28, 0x2D, 0x33, 0x38, //1900-1909
0x1, 0x6, 0xC, 0x11, 0x16, 0x1B, 0x21, 0x26, 0x2B, 0x30, //1910-1919
0x36, 0x3B, 0x4, 0x9, 0xF, 0x14, 0x19, 0x1E, 0x24, 0x36, //1920-1929
0x2E, 0x33, 0x39, 0x2, 0x7, 0xC, 0x12, 0x17, 0x1C, 0x2E, //1930-1939
0x27, 0x2C, 0x31, 0x36, 0x0, 0x5, 0xA, 0xF, 0x15, 0x1A, //1940-1949
0x1F, 0x24, 0x2A, 0x2F, 0x34, 0x39, 0x3, 0x8, 0xD, 0x12, //1950-1959
0x18, 0x1D, 0x22, 0x27, 0x2D, 0x32, 0x37, 0x0, 0x6, 0xB, //1960-1969
0x10, 0x15, 0x1B, 0x20, 0x25, 0x2A, 0x30, 0x35, 0x3A, 0x3, //1970-1979
0x9, 0xE, 0x13, 0x18, 0x1E, 0x23, 0x28, 0x2D, 0x33, 0x38, //1980-1989
0x1, 0x6, 0xC, 0x11, 0x16, 0x1B, 0x21, 0x26, 0x2B, 0x30, //1990-1999
0x36, 0x3B, 0x4, 0x9, 0xF, 0x14, 0x19, 0x1E, 0x24, 0x29, //2000-2009
0x2E, 0x33, 0x39, 0x2, 0x7, 0xC, 0x12, 0x17, 0x1C, 0x21, //2010-2019
0x27, 0x2C, 0x31, 0x36, 0x0, 0x5, 0xA, 0xF, 0x15, 0x1A, //2020-2029
0x1F, 0x24, 0x2A, 0x2F, 0x34, 0x39, 0x3, 0x8, 0xD, 0x12, //2030-2039
0x18, 0x1D, 0x22, 0x27, 0x2D, 0x32, 0x37, 0x0, 0x6, 0xB, //2040-2049
0x10, 0x15, 0x1B, 0x20, 0x25, 0x2A, 0x30, 0x35, 0x3A, 0x3, //2050-2059
0x9, 0xE, 0x13, 0x18, 0x1E, 0x23, 0x28, 0x2D, 0x33, 0x38, //2060-2069
0x1, 0x6, 0xC, 0x11, 0x16, 0x1B, 0x21, 0x26, 0x2B, 0x30, //2070-2079
0x36, 0x3B, 0x4, 0x9, 0xF, 0x14, 0x19, 0x1E, 0x24, 0x29, //2080-2089
0x2E, 0x33, 0x39, 0x2, 0x7, 0xC, 0x12, 0x17, 0x1C, 0x21, //2090-2099
}
var monthNumber = []int{
0x6, //next year 1
0x25, //next year 2
0x0, //3
0x1F, //4
0x1, //5
0x20, //6
0x2, //7
0x21, //8
0x4, //9
0x22, //10
0x5, //11
0x23, //12
}
var lunarInfoList = []int{
0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2, //1900-1909
0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977, //1910-1919
0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, //1920-1929
0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950, //1930-1939
0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557, //1940-1949
0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5b0, 0x14573, 0x052b0, 0x0a9a8, 0x0e950, 0x06aa0, //1950-1959
0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0, //1960-1969
0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b6a0, 0x195a6, //1970-1979
0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570, //1980-1989
0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, //1990-1999
0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5, //2000-2009
0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930, //2010-2019
0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530, //2020-2029
0x05aa0, 0x076a3, 0x096d0, 0x04afb, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45, //2030-2039
0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0, //2040-2049
0x14b63, 0x09370, 0x049f8, 0x04970, 0x064b0, 0x168a6, 0x0ea50, 0x06b20, 0x1a6c4, 0x0aae0, //2050-2059
0x0a2e0, 0x0d2e3, 0x0c960, 0x0d557, 0x0d4a0, 0x0da50, 0x05d55, 0x056a0, 0x0a6d0, 0x055d4, //2060-2069
0x052d0, 0x0a9b8, 0x0a950, 0x0b4a0, 0x0b6a6, 0x0ad50, 0x055a0, 0x0aba4, 0x0a5b0, 0x052b0, //2070-2079
0x0b273, 0x06930, 0x07337, 0x06aa0, 0x0ad50, 0x14b55, 0x04b60, 0x0a570, 0x054e4, 0x0d160, //2080-2089
0x0e968, 0x0d520, 0x0daa0, 0x16aa6, 0x056d0, 0x04ae0, 0x0a9d4, 0x0a2d0, 0x0d150, 0x0f252, //2090-2099
0x0d520, //2100
}
var termInfoList = []string{
`9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf97c3598082c95f8c965cc920f`, `97bd0b06bdb0722c965ce1cfcc920f`, `b027097bd097c36b0b6fc9274c91aa`,
`97b6b97bd19801ec9210c965cc920e`, `97bcf97c359801ec95f8c965cc920f`, `97bd0b06bdb0722c965ce1cfcc920f`, `b027097bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`,
`97bcf97c359801ec95f8c965cc920f`, `97bd0b06bdb0722c965ce1cfcc920f`, `b027097bd097c36b0b6fc9274c91aa`, `9778397bd19801ec9210c965cc920e`, `97b6b97bd19801ec95f8c965cc920f`,
`97bd09801d98082c95f8e1cfcc920f`, `97bd097bd097c36b0b6fc9210c8dc2`, `9778397bd197c36c9210c9274c91aa`, `97b6b97bd19801ec95f8c965cc920e`, `97bd09801d98082c95f8e1cfcc920f`,
`97bd097bd097c36b0b6fc9210c8dc2`, `9778397bd097c36c9210c9274c91aa`, `97b6b97bd19801ec95f8c965cc920e`, `97bcf97c3598082c95f8e1cfcc920f`, `97bd097bd097c36b0b6fc9210c8dc2`,
`9778397bd097c36c9210c9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf97c3598082c95f8c965cc920f`, `97bd097bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`,
`97b6b97bd19801ec9210c965cc920e`, `97bcf97c3598082c95f8c965cc920f`, `97bd097bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`,
`97bcf97c359801ec95f8c965cc920f`, `97bd097bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf97c359801ec95f8c965cc920f`,
`97bd097bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf97c359801ec95f8c965cc920f`, `97bd097bd07f595b0b6fc920fb0722`,
`9778397bd097c36b0b6fc9210c8dc2`, `9778397bd19801ec9210c9274c920e`, `97b6b97bd19801ec95f8c965cc920f`, `97bd07f5307f595b0b0bc920fb0722`, `7f0e397bd097c36b0b6fc9210c8dc2`,
`9778397bd097c36c9210c9274c920e`, `97b6b97bd19801ec95f8c965cc920f`, `97bd07f5307f595b0b0bc920fb0722`, `7f0e397bd097c36b0b6fc9210c8dc2`, `9778397bd097c36c9210c9274c91aa`,
`97b6b97bd19801ec9210c965cc920e`, `97bd07f1487f595b0b0bc920fb0722`, `7f0e397bd097c36b0b6fc9210c8dc2`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`,
`97bcf7f1487f595b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf7f1487f595b0b0bb0b6fb0722`,
`7f0e397bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf7f1487f531b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`,
`9778397bd097c36b0b6fc9274c91aa`, `97b6b97bd19801ec9210c965cc920e`, `97bcf7f1487f531b0b0bb0b6fb0722`, `7f0e397bd07f595b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`,
`97b6b97bd19801ec9210c9274c920e`, `97bcf7f0e47f531b0b0bb0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`, `9778397bd097c36b0b6fc9210c91aa`, `97b6b97bd197c36c9210c9274c920e`,
`97bcf7f0e47f531b0b0bb0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`, `9778397bd097c36b0b6fc9210c8dc2`, `9778397bd097c36c9210c9274c920e`, `97b6b7f0e47f531b0723b0b6fb0722`,
`7f0e37f5307f595b0b0bc920fb0722`, `7f0e397bd097c36b0b6fc9210c8dc2`, `9778397bd097c36b0b70c9274c91aa`, `97b6b7f0e47f531b0723b0b6fb0721`, `7f0e37f1487f595b0b0bb0b6fb0722`,
`7f0e397bd097c35b0b6fc9210c8dc2`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f595b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`,
`9778397bd097c36b0b6fc9274c91aa`, `97b6b7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`,
`97b6b7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b7f0e47f531b0723b0b6fb0721`,
`7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`, `9778397bd097c36b0b6fc9274c91aa`, `97b6b7f0e47f531b0723b0787b0721`, `7f0e27f0e47f531b0b0bb0b6fb0722`,
`7f0e397bd07f595b0b0bc920fb0722`, `9778397bd097c36b0b6fc9210c91aa`, `97b6b7f0e47f149b0723b0787b0721`, `7f0e27f0e47f531b0723b0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`,
`9778397bd097c36b0b6fc9210c8dc2`, `977837f0e37f149b0723b0787b0721`, `7f07e7f0e47f531b0723b0b6fb0722`, `7f0e37f5307f595b0b0bc920fb0722`, `7f0e397bd097c35b0b6fc9210c8dc2`,
`977837f0e37f14998082b0787b0721`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e37f1487f595b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc9210c8dc2`, `977837f0e37f14998082b0787b06bd`,
`7f07e7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`, `977837f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`,
`7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e397bd097c35b0b6fc920fb0722`, `977837f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`,
`7f0e397bd07f595b0b0bc920fb0722`, `977837f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`,
`977837f0e37f14998082b0787b06bd`, `7f07e7f0e47f149b0723b0787b0721`, `7f0e27f0e47f531b0b0bb0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`, `977837f0e37f14998082b0723b06bd`,
`7f07e7f0e37f149b0723b0787b0721`, `7f0e27f0e47f531b0723b0b6fb0722`, `7f0e397bd07f595b0b0bc920fb0722`, `977837f0e37f14898082b0723b02d5`, `7ec967f0e37f14998082b0787b0721`,
`7f07e7f0e47f531b0723b0b6fb0722`, `7f0e37f1487f595b0b0bb0b6fb0722`, `7f0e37f0e37f14898082b0723b02d5`, `7ec967f0e37f14998082b0787b0721`, `7f07e7f0e47f531b0723b0b6fb0722`,
`7f0e37f1487f531b0b0bb0b6fb0722`, `7f0e37f0e37f14898082b0723b02d5`, `7ec967f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e37f1487f531b0b0bb0b6fb0722`,
`7f0e37f0e37f14898082b072297c35`, `7ec967f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e37f0e37f14898082b072297c35`,
`7ec967f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e37f0e366aa89801eb072297c35`, `7ec967f0e37f14998082b0787b06bd`,
`7f07e7f0e47f149b0723b0787b0721`, `7f0e27f1487f531b0b0bb0b6fb0722`, `7f0e37f0e366aa89801eb072297c35`, `7ec967f0e37f14998082b0723b06bd`, `7f07e7f0e47f149b0723b0787b0721`,
`7f0e27f0e47f531b0723b0b6fb0722`, `7f0e37f0e366aa89801eb072297c35`, `7ec967f0e37f14998082b0723b06bd`, `7f07e7f0e37f14998083b0787b0721`, `7f0e27f0e47f531b0723b0b6fb0722`,
`7f0e37f0e366aa89801eb072297c35`, `7ec967f0e37f14898082b0723b02d5`, `7f07e7f0e37f14998082b0787b0721`, `7f07e7f0e47f531b0723b0b6fb0722`, `7f0e36665b66aa89801e9808297c35`,
`665f67f0e37f14898082b0723b02d5`, `7ec967f0e37f14998082b0787b0721`, `7f07e7f0e47f531b0723b0b6fb0722`, `7f0e36665b66a449801e9808297c35`, `665f67f0e37f14898082b0723b02d5`,
`7ec967f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`, `7f0e36665b66a449801e9808297c35`, `665f67f0e37f14898082b072297c35`, `7ec967f0e37f14998082b0787b06bd`,
`7f07e7f0e47f531b0723b0b6fb0721`, `7f0e26665b66a449801e9808297c35`, `665f67f0e37f1489801eb072297c35`, `7ec967f0e37f14998082b0787b06bd`, `7f07e7f0e47f531b0723b0b6fb0721`,
`7f0e27f1487f531b0b0bb0b6fb0722`, //2100
}
func fixSuffix(y int) int {
return y - 1900
}
func GetLunarInfo(y int) int {
y = fixSuffix(y)
if y < 0 || y > len(lunarInfoList) {
return 0
}
return lunarInfoList[y]
}
func GetTermInfo(y, n int) int {
y = fixSuffix(y)
if y < 0 || y > len(termInfoList) {
return -1
}
if n < 1 || n > 24 {
return -1
}
i := (n - 1) / 4 * 5
n = (n - 1) % 4
idx, _ := strconv.ParseInt(termInfoList[y][i:i+5], 16, 64)
a := strconv.FormatInt(idx, 10)
day := []string{a[0:1], a[1:3], a[3:4], a[4:6]}
i, _ = strconv.Atoi(day[n])
return i
}
func getChineseYear(year int) string {
return StemBranchYear(year) + "年"
}
func getChineseMonth(m int) string {
if m > 12 || m < 1 {
return "?月"
}
return []string{`正`, `二`, `三`, `四`, `五`, `六`, `七`, `八`, `九`, `十`, `十一`, `臘`}[m-1] + "月" //加上月字
}
func getChineseDay(d int) (s string) {
if d < 0 || d > 31 {
return "?"
}
switch d {
case 10:
s = `初十`
case 20:
s = `二十`
case 30:
s = `三十`
default:
n := (d - 1) % 10
s = []string{`初`, `十`, `廿`, `卅`}[d/10] + []string{`一`, `二`, `三`, `四`, `五`, `六`, `七`, `八`, `九`, `十`, `十一`, `十二`}[n]
}
return s
}
func GetStemBranch(y int) string {
return heavenlyStem[y%10] + earthyBranch[y%12]
}
func StemBranchHour(y, m, d, h int) string {
i := stemBranchIndex(y, m, d) % 5 * 12
idx := (h + 1) / 2 % 12
return stemBranchTable[fixDayNext(i, idx, h)]
}
func fixDayNext(row int, idx int, hour int) int { //TODO: refactoring
if hour >= 23 {
idx += 12
}
if row+idx >= 60 {
return row + idx - 60
}
return row + idx
}
func stemBranchIndex(y, m, d int) int {
y = fixSuffix(y)
if y < 0 || y > len(yearNumber) {
return 0
}
if m < 3 {
y--
}
m = (m - 1) % 12
return (yearNumber[y] + monthNumber[m] + d - 1) % 60
}
func StemBranchDay(y, m, d int) string {
return stemBranchTable[stemBranchIndex(y, m, d)]
}
func StemBranchMonth(y, m, d int) string {
//月柱 1900年1月小寒以前為 丙子月(60進位制12)
fir := GetTermInfo(y, m*2-1) //返回當月「節」為幾日開始
//依據12節氣修正干支月
var sb = GetStemBranch(fixSuffix(y)*12 + m + 11)
if d >= fir {
sb = GetStemBranch(fixSuffix(y)*12 + m + 12)
}
return sb
}
func StemBranchYear(y int) string {
num := y - 4
return heavenlyStem[num%10] + earthyBranch[num%12]
}
func centuryCValue(y int) float64 {
switch { // century 20th ~ 22th
case y > 1901 && y <= 2000:
return 4.6295
case y >= 2001 && y <= 2100:
return 3.87
case y >= 2101 && y <= 2200:
return 4.15
}
panic(fmt.Sprintf("not supported(%d)", y))
}
func lichunDay(year int) int {
// https://en.wikipedia.org/wiki/Lichun
c := centuryCValue(year)
y := float64(year % 100)
l := int((y - 1) / 4)
return int((y*0.2422+c)/1 - float64(l))
}