1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.JewishCalendar = JewishCalendar;
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7 | exports.MoslemToJD = MoslemToJD;
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8 | exports.MoslemLeapYear = MoslemLeapYear;
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9 | exports.JulianToMoslem = JulianToMoslem;
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10 | exports.moslemMonth = moslemMonth;
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11 |
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12 | var _base = require('./base');
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13 |
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14 | var _base2 = _interopRequireDefault(_base);
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15 |
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16 | var _julian = require('./julian');
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17 |
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18 | var _julian2 = _interopRequireDefault(_julian);
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19 |
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20 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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21 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 | var int = Math.trunc;
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48 |
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49 |
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50 |
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51 |
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53 |
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55 |
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56 |
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57 |
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58 |
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59 |
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60 |
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61 |
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62 |
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63 | function JewishCalendar(y) {
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64 | var A = y + 3760;
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65 | var D = bigD(y);
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66 | var mP = 3;
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67 | var dP = D;
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68 | if (dP > 31) {
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69 | mP++;
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70 | dP -= 31;
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71 | }
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72 |
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73 |
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74 |
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75 |
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76 | var mNY = 9;
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77 | var dNY = D - 21;
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78 | if (dNY > 30) {
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79 | mNY++;
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80 | dNY -= 30;
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81 | }
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82 | var months = 12;
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83 | switch (A % 19) {
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84 | case 0:
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85 | case 3:
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86 | case 6:
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87 | case 8:
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88 | case 11:
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89 | case 14:
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90 | case 17:
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91 | months++;
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92 | break;
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93 | }
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94 |
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95 |
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96 |
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97 |
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98 |
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99 | var y1 = y + 1;
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100 | var lf = _julian2.default.LeapYearGregorian;
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101 | if (y1 < 1583) {
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102 | lf = _julian2.default.LeapYearJulian;
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103 | }
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104 | var days = 365;
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105 | if (lf(y1)) {
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106 | days++;
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107 | }
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108 | days += bigD(y1) - D;
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109 | return [A, mP, dP, mNY, dNY, months, days];
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110 | }
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111 |
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112 | var bigD = function bigD(y) {
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113 |
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114 | var C = _base2.default.floorDiv(y, 100);
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115 |
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116 | var S = 0;
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117 | if (y >= 1583) {
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118 | S = int(_base2.default.floorDiv(3 * C - 5, 4));
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119 | }
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120 | var a = (12 * y + 12) % 19;
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121 | var b = y % 4;
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122 | var Q = -1.904412361576 + 1.554241796621 * a + 0.25 * b - 0.003177794022 * y + S;
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123 | var fq = Math.floor(Q);
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124 | var iq = int(fq);
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125 | var j = (iq + 3 * y + 5 * b + 2 - S) % 7;
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126 | var r = Q - fq;
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127 |
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128 | var D = void 0;
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129 | if (j === 2 || j === 4 || j === 6) {
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130 | D = iq + 23;
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131 | } else if (j === 1 && a > 6 && r >= 0.63287037) {
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132 | D = iq + 24;
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133 | } else if (j === 0 && a > 11 && r >= 0.897723765) {
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134 | D = iq + 23;
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135 | } else {
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136 | D = iq + 22;
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137 | }
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138 | return int(D);
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139 | };
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140 |
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141 |
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142 |
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143 |
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144 |
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145 |
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146 |
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147 |
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148 | function MoslemToJD(y, m, d) {
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149 |
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150 | var N = d + _base2.default.floorDiv(295001 * (m - 1) + 9900, 10000);
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151 | var Q = _base2.default.floorDiv(y, 30);
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152 | var R = y % 30;
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153 | var A = _base2.default.floorDiv(11 * R + 3, 30);
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154 | var W = 404 * Q + 354 * R + 208 + A;
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155 | var Q1 = _base2.default.floorDiv(W, 1461);
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156 | var Q2 = W % 1461;
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157 | var G = 621 + 28 * Q + 4 * Q1;
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158 | var K = _base2.default.floorDiv(Q2 * 10000, 3652422);
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159 | var E = _base2.default.floorDiv(3652422 * K, 10000);
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160 | var J = Q2 - E + N - 1;
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161 | var X = G + K;
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162 | if (J > 366 && X % 4 === 0) {
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163 | J -= 366;
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164 | X++;
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165 | } else if (J > 365 && X % 4 > 0) {
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166 | J -= 365;
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167 | X++;
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168 | }
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169 | var jd = _base2.default.floorDiv(36525 * (X - 1), 100) + 1721423 + J;
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170 | return jd;
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171 | }
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172 |
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173 |
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174 |
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175 |
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176 |
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177 |
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178 | function MoslemLeapYear(year) {
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179 |
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180 | var R = year % 30;
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181 | return (11 * R + 3) % 30 > 18;
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182 | }
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183 |
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184 |
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185 |
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186 |
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187 |
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188 |
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189 |
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190 |
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191 |
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192 | function JulianToMoslem(y, m, d) {
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193 |
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194 | var W = 2;
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195 | if (y % 4 === 0) {
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196 | W = 1;
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197 | }
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198 | var N = _base2.default.floorDiv(275 * m, 9) - W * _base2.default.floorDiv(m + 9, 12) + d - 30;
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199 | var A = int(y - 623);
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200 | var B = _base2.default.floorDiv(A, 4);
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201 | var C2 = function (A) {
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202 | var C = A % 4;
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203 | var C1 = 365.25001 * C;
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204 | var C2 = Math.floor(C1);
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205 | if (C1 - C2 > 0.5) {
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206 | return int(C2) + 1;
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207 | }
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208 | return int(C2);
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209 | }(A);
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210 | var Dp = 1461 * B + 170 + C2;
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211 | var Q = _base2.default.floorDiv(Dp, 10631);
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212 | var R = Dp % 10631;
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213 | var J = _base2.default.floorDiv(R, 354);
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214 | var K = R % 354;
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215 | var O = _base2.default.floorDiv(11 * J + 14, 30);
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216 | var my = 30 * Q + J + 1;
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217 | var JJ = K - O + N - 1;
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218 | var days = 354;
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219 | if (MoslemLeapYear(y)) {
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220 | days++;
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221 | }
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222 | if (JJ > days) {
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223 | JJ -= days;
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224 | my++;
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225 | }
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226 | var mm = void 0;
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227 | var md = void 0;
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228 | if (JJ === 355) {
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229 | mm = 12;
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230 | md = 30;
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231 | } else {
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232 | var S = _base2.default.floorDiv((JJ - 1) * 10, 295);
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233 | mm = 1 + S;
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234 | md = _base2.default.floorDiv(10 * JJ - 295 * S, 10);
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235 | }
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236 | return { year: my, month: mm, day: md };
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237 | }
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238 |
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239 |
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240 |
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241 |
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242 |
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243 |
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244 |
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245 | var mmonths = ['', 'Muḥarram', 'Ṣafar', 'Rabīʿ I', 'Rabīʿ II', 'Jumādā I', 'Jumādā II', 'Rajab', 'Shaʿbān', 'Ramaḍān', 'Shawwāl', 'Dhū al-Qaʿda', 'Dhū al-Ḥijja'];
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246 |
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247 |
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248 |
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249 |
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250 | function moslemMonth(m) {
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251 | return mmonths[m];
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252 | }
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253 |
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254 | exports.default = {
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255 | JewishCalendar: JewishCalendar,
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256 | MoslemToJD: MoslemToJD,
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257 | MoslemLeapYear: MoslemLeapYear,
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258 | JulianToMoslem: JulianToMoslem,
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259 | moslemMonth: moslemMonth
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260 | }; |
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