عدم تطابق تاریخ قمری

سلام.دوستان مشکلی با تاریخ قمری پیدا کردم طبق برنامه باد صبا امروز 19 ربیع الاول هست. 

ولی با این کد از این لینک 21 ربیع الاول میده

 publicclassDateHijri{staticdouble gmod(double n,double m){return((n % m)+ m)% m;}staticdouble[] kuwaiticalendar(boolean adjust){Calendar today =Calendar.getInstance();int adj =0;if(adjust){
            adj =0;}else{
            adj =1;}if(adjust){int adjustmili =1000*60*60*24* adj;long todaymili = today.getTimeInMillis()+ adjustmili;
            today.setTimeInMillis(todaymili);}double day = today.get(Calendar.DAY_OF_MONTH);double month = today.get(Calendar.MONTH);double year = today.get(Calendar.YEAR);double m = month +1;double y = year;if(m <3){
            y -=1;
            m +=12;}double a =Math.floor(y /100.);double b =2- a +Math.floor(a /4.);if(y <1583)
            b =0;if(y ==1582){if(m >10)
                b =-10;if(m ==10){
                b =0;if(day >4)
                    b =-10;}}double jd =Math.floor(365.25*(y +4716))+Math.floor(30.6001*(m +1))+ day + b -1524;

        b =0;if(jd >2299160){
            a =Math.floor((jd -1867216.25)/36524.25);
            b =1+ a -Math.floor(a /4.);}double bb = jd + b +1524;double cc =Math.floor((bb -122.1)/365.25);double dd =Math.floor(365.25* cc);double ee =Math.floor((bb - dd)/30.6001);
        day =(bb - dd)-Math.floor(30.6001* ee);
        month = ee -1;if(ee >13){
            cc +=1;
            month = ee -13;}
        year = cc -4716;double wd = gmod(jd +1,7)+1;double iyear =10631./30.;double epochastro =1948084;double epochcivil =1948085;double shift1 =8.01/60.;double z = jd - epochastro;double cyc =Math.floor(z /10631.);
        z = z -10631* cyc;double j =Math.floor((z - shift1)/ iyear);double iy =30* cyc + j;
        z = z -Math.floor(j * iyear + shift1);double im =Math.floor((z +28.5001)/29.5);if(im ==13)
            im =12;double id = z -Math.floor(29.5001* im -29);double[] myRes =newdouble[8];

        myRes[0]= day;// calculated day (CE)
        myRes[1]= month -1;// calculated month (CE)
        myRes[2]= year;// calculated year (CE)
        myRes[3]= jd -1;// julian day number
        myRes[4]= wd -1;// weekday number
        myRes[5]= id;// islamic date
        myRes[6]= im -1;// islamic month
        myRes[7]= iy;// islamic yearreturn myRes;}staticString writeIslamicDate(){String[] wdNames ={"Ahad","Ithnin","Thulatha","Arbaa","Khams","Jumuah","Sabt"};String[] iMonthNames ={"Muharram","Safar","Rabi'ul Awwal","Rabi'ul Akhir","Jumadal Ula","Jumadal Akhira","Rajab","Sha'ban","Ramadan","Shawwal","Dhul Qa'ada","Dhul Hijja"};// This Value is used to give the correct day +- 1 dayboolean dayTest =true;double[] iDate = kuwaiticalendar(dayTest);String outputIslamicDate = wdNames[(int) iDate[4]]+", "+ iDate[5]+" "+ iMonthNames[(int) iDate[6]]+" "+ iDate[7]+" AH";return outputIslamicDate;}}

و با این کد 20 ربیع الاول

 import java.util.Calendar;


public class HijriCalendar {

    public final static String[] WEEKDAYS      = { "", "1shanbe", "2shanbe", "3shanbe", "4shanbe", "5shanbe",
                                               "jomee", "shanbe" };
    public final static String[] MONTHS        = { "", "Muharram", "Safar", "Rabi_al_Awwal",
                                               "Rabi al sani", "Jumadal aval", "Jumadal sani", "Rajab",
                                               "Shaaban", "Ramazan", "Shawwal", "zel Qaaada", "zel Hajja" };

    public final static double[] UMMALQURA_DAT = {
                                               28607, 28636, 28665, 28695, 28724, 28754, 28783, 28813, 28843, 28872, 28901, 28931, 28960, 28990, 29019, 29049, 29078, 29108, 29137, 29167,
                                               29196, 29226, 29255, 29285, 29315, 29345, 29375, 29404, 29434, 29463, 29492, 29522, 29551, 29580, 29610, 29640, 29669, 29699, 29729, 29759,
                                               29788, 29818, 29847, 29876, 29906, 29935, 29964, 29994, 30023, 30053, 30082, 30112, 30141, 30171, 30200, 30230, 30259, 30289, 30318, 30348,
                                               30378, 30408, 30437, 30467, 30496, 30526, 30555, 30585, 30614, 30644, 30673, 30703, 30732, 30762, 30791, 30821, 30850, 30880, 30909, 30939,
                                               30968, 30998, 31027, 31057, 31086, 31116, 31145, 31175, 31204, 31234, 31263, 31293, 31322, 31352, 31381, 31411, 31441, 31471, 31500, 31530,
                                               31559, 31589, 31618, 31648, 31676, 31706, 31736, 31766, 31795, 31825, 31854, 31884, 31913, 31943, 31972, 32002, 32031, 32061, 32090, 32120,
                                               32150, 32180, 32209, 32239, 32268, 32298, 32327, 32357, 32386, 32416, 32445, 32475, 32504, 32534, 32563, 32593, 32622, 32652, 32681, 32711,
                                               32740, 32770, 32799, 32829, 32858, 32888, 32917, 32947, 32976, 33006, 33035, 33065, 33094, 33124, 33153, 33183, 33213, 33243, 33272, 33302,
                                               33331, 33361, 33390, 33420, 33450, 33479, 33509, 33539, 33568, 33598, 33627, 33657, 33686, 33716, 33745, 33775, 33804, 33834, 33863, 33893,
                                               33922, 33952, 33981, 34011, 34040, 34069, 34099, 34128, 34158, 34187, 34217, 34247, 34277, 34306, 34336, 34365, 34395, 34424, 34454, 34483,
                                               34512, 34542, 34571, 34601, 34631, 34660, 34690, 34719, 34749, 34778, 34808, 34837, 34867, 34896, 34926, 34955, 34985, 35015, 35044, 35074,
                                               35103, 35133, 35162, 35192, 35222, 35251, 35280, 35310, 35340, 35370, 35399, 35429, 35458, 35488, 35517, 35547, 35576, 35605, 35635, 35665,
                                               35694, 35723, 35753, 35782, 35811, 35841, 35871, 35901, 35930, 35960, 35989, 36019, 36048, 36078, 36107, 36136, 36166, 36195, 36225, 36254,
                                               36284, 36314, 36343, 36373, 36403, 36433, 36462, 36492, 36521, 36551, 36580, 36610, 36639, 36669, 36698, 36728, 36757, 36786, 36816, 36845,
                                               36875, 36904, 36934, 36963, 36993, 37022, 37052, 37081, 37111, 37141, 37170, 37200, 37229, 37259, 37288, 37318, 37347, 37377, 37406, 37436,
                                               37465, 37495, 37524, 37554, 37584, 37613, 37643, 37672, 37701, 37731, 37760, 37790, 37819, 37849, 37878, 37908, 37938, 37967, 37997, 38027,
                                               38056, 38085, 38115, 38144, 38174, 38203, 38233, 38262, 38292, 38322, 38351, 38381, 38410, 38440, 38469, 38499, 38528, 38558, 38587, 38617,
                                               38646, 38676, 38705, 38735, 38764, 38794, 38823, 38853, 38882, 38912, 38941, 38971, 39001, 39030, 39059, 39089, 39118, 39148, 39178, 39208,
                                               39237, 39267, 39297, 39326, 39355, 39385, 39414, 39444, 39473, 39503, 39532, 39562, 39592, 39621, 39650, 39680, 39709, 39739, 39768, 39798,
                                               39827, 39857, 39886, 39916, 39946, 39975, 40005, 40035, 40064, 40094, 40123, 40153, 40182, 40212, 40241, 40271, 40300, 40330, 40359, 40389,
                                               40418, 40448, 40477, 40507, 40536, 40566, 40595, 40625, 40655, 40685, 40714, 40744, 40773, 40803, 40832, 40862, 40892, 40921, 40951, 40980,
                                               41009, 41039, 41068, 41098, 41127, 41157, 41186, 41216, 41245, 41275, 41304, 41334, 41364, 41393, 41422, 41452, 41481, 41511, 41540, 41570,
                                               41599, 41629, 41658, 41688, 41718, 41748, 41777, 41807, 41836, 41865, 41894, 41924, 41953, 41983, 42012, 42042, 42072, 42102, 42131, 42161,
                                               42190, 42220, 42249, 42279, 42308, 42337, 42367, 42397, 42426, 42456, 42485, 42515, 42545, 42574, 42604, 42633, 42662, 42692, 42721, 42751,
                                               42780, 42810, 42839, 42869, 42899, 42929, 42958, 42988, 43017, 43046, 43076, 43105, 43135, 43164, 43194, 43223, 43253, 43283, 43312, 43342,
                                               43371, 43401, 43430, 43460, 43489, 43519, 43548, 43578, 43607, 43637, 43666, 43696, 43726, 43755, 43785, 43814, 43844, 43873, 43903, 43932,
                                               43962, 43991, 44021, 44050, 44080, 44109, 44139, 44169, 44198, 44228, 44258, 44287, 44317, 44346, 44375, 44405, 44434, 44464, 44493, 44523,
                                               44553, 44582, 44612, 44641, 44671, 44700, 44730, 44759, 44788, 44818, 44847, 44877, 44906, 44936, 44966, 44996, 45025, 45055, 45084, 45114,
                                               45143, 45172, 45202, 45231, 45261, 45290, 45320, 45350, 45380, 45409, 45439, 45468, 45498, 45527, 45556, 45586, 45615, 45644, 45674, 45704,
                                               45733, 45763, 45793, 45823, 45852, 45882, 45911, 45940, 45970, 45999, 46028, 46058, 46088, 46117, 46147, 46177, 46206, 46236, 46265, 46295,
                                               46324, 46354, 46383, 46413, 46442, 46472, 46501, 46531, 46560, 46590, 46620, 46649, 46679, 46708, 46738, 46767, 46797, 46826, 46856, 46885,
                                               46915, 46944, 46974, 47003, 47033, 47063, 47092, 47122, 47151, 47181, 47210, 47240, 47269, 47298, 47328, 47357, 47387, 47417, 47446, 47476,
                                               47506, 47535, 47565, 47594, 47624, 47653, 47682, 47712, 47741, 47771, 47800, 47830, 47860, 47890, 47919, 47949, 47978, 48008, 48037, 48066,
                                               48096, 48125, 48155, 48184, 48214, 48244, 48273, 48303, 48333, 48362, 48392, 48421, 48450, 48480, 48509, 48538, 48568, 48598, 48627, 48657,
                                               48687, 48717, 48746, 48776, 48805, 48834, 48864, 48893, 48922, 48952, 48982, 49011, 49041, 49071, 49100, 49130, 49160, 49189, 49218, 49248,
                                               49277, 49306, 49336, 49365, 49395, 49425, 49455, 49484, 49514, 49543, 49573, 49602, 49632, 49661, 49690, 49720, 49749, 49779, 49809, 49838,
                                               49868, 49898, 49927, 49957, 49986, 50016, 50045, 50075, 50104, 50133, 50163, 50192, 50222, 50252, 50281, 50311, 50340, 50370, 50400, 50429,
                                               50459, 50488, 50518, 50547, 50576, 50606, 50635, 50665, 50694, 50724, 50754, 50784, 50813, 50843, 50872, 50902, 50931, 50960, 50990, 51019,
                                               51049, 51078, 51108, 51138, 51167, 51197, 51227, 51256, 51286, 51315, 51345, 51374, 51403, 51433, 51462, 51492, 51522, 51552, 51582, 51611,
                                               51641, 51670, 51699, 51729, 51758, 51787, 51816, 51846, 51876, 51906, 51936, 51965, 51995, 52025, 52054, 52083, 52113, 52142, 52171, 52200,
                                               52230, 52260, 52290, 52319, 52349, 52379, 52408, 52438, 52467, 52497, 52526, 52555, 52585, 52614, 52644, 52673, 52703, 52733, 52762, 52792,
                                               52822, 52851, 52881, 52910, 52939, 52969, 52998, 53028, 53057, 53087, 53116, 53146, 53176, 53205, 53235, 53264, 53294, 53324, 53353, 53383,
                                               53412, 53441, 53471, 53500, 53530, 53559, 53589, 53619, 53648, 53678, 53708, 53737, 53767, 53796, 53825, 53855, 53884, 53913, 53943, 53973,
                                               54003, 54032, 54062, 54092, 54121, 54151, 54180, 54209, 54239, 54268, 54297, 54327, 54357, 54387, 54416, 54446, 54476, 54505, 54535, 54564,
                                               54593, 54623, 54652, 54681, 54711, 54741, 54770, 54800, 54830, 54859, 54889, 54919, 54948, 54977, 55007, 55036, 55066, 55095, 55125, 55154,
                                               55184, 55213, 55243, 55273, 55302, 55332, 55361, 55391, 55420, 55450, 55479, 55508, 55538, 55567, 55597, 55627, 55657, 55686, 55716, 55745,
                                               55775, 55804, 55834, 55863, 55892, 55922, 55951, 55981, 56011, 56040, 56070, 56100, 56129, 56159, 56188, 56218, 56247, 56276, 56306, 56335,
                                               56365, 56394, 56424, 56454, 56483, 56513, 56543, 56572, 56601, 56631, 56660, 56690, 56719, 56749, 56778, 56808, 56837, 56867, 56897, 56926,
                                               56956, 56985, 57015, 57044, 57074, 57103, 57133, 57162, 57192, 57221, 57251, 57280, 57310, 57340, 57369, 57399, 57429, 57458, 57487, 57517,
                                               57546, 57576, 57605, 57634, 57664, 57694, 57723, 57753, 57783, 57813, 57842, 57871, 57901, 57930, 57959, 57989, 58018, 58048, 58077, 58107,
                                               58137, 58167, 58196, 58226, 58255, 58285, 58314, 58343, 58373, 58402, 58432, 58461, 58491, 58521, 58551, 58580, 58610, 58639, 58669, 58698,
                                               58727, 58757, 58786, 58816, 58845, 58875, 58905, 58934, 58964, 58994, 59023, 59053, 59082, 59111, 59141, 59170, 59200, 59229, 59259, 59288,
                                               59318, 59348, 59377, 59407, 59436, 59466, 59495, 59525, 59554, 59584, 59613, 59643, 59672, 59702, 59731, 59761, 59791, 59820, 59850, 59879,
                                               59909, 59939, 59968, 59997, 60027, 60056, 60086, 60115, 60145, 60174, 60204, 60234, 60264, 60293, 60323, 60352, 60381, 60411, 60440, 60469,
                                               60499, 60528, 60558, 60588, 60618, 60648, 60677, 60707, 60736, 60765, 60795, 60824, 60853, 60883, 60912, 60942, 60972, 61002, 61031, 61061,
                                               61090, 61120, 61149, 61179, 61208, 61237, 61267, 61296, 61326, 61356, 61385, 61415, 61445, 61474, 61504, 61533, 61563, 61592, 61621, 61651,
                                               61680, 61710, 61739, 61769, 61799, 61828, 61858, 61888, 61917, 61947, 61976, 62006, 62035, 62064, 62094, 62123, 62153, 62182, 62212, 62242,
                                               62271, 62301, 62331, 62360, 62390, 62419, 62448, 62478, 62507, 62537, 62566, 62596, 62625, 62655, 62685, 62715, 62744, 62774, 62803, 62832,
                                               62862, 62891, 62921, 62950, 62980, 63009, 63039, 63069, 63099, 63128, 63157, 63187, 63216, 63246, 63275, 63305, 63334, 63363, 63393, 63423,
                                               63453, 63482, 63512, 63541, 63571, 63600, 63630, 63659, 63689, 63718, 63747, 63777, 63807, 63836, 63866, 63895, 63925, 63955, 63984, 64014,
                                               64043, 64073, 64102, 64131, 64161, 64190, 64220, 64249, 64279, 64309, 64339, 64368, 64398, 64427, 64457, 64486, 64515, 64545, 64574, 64603,
                                               64633, 64663, 64692, 64722, 64752, 64782, 64811, 64841, 64870, 64899, 64929, 64958, 64987, 65017, 65047, 65076, 65106, 65136, 65166, 65195,
                                               65225, 65254, 65283, 65313, 65342, 65371, 65401, 65431, 65460, 65490, 65520, 65549, 65579, 65608, 65638, 65667, 65697, 65726, 65755, 65785,
                                               65815, 65844, 65874, 65903, 65933, 65963, 65992, 66022, 66051, 66081, 66110, 66140, 66169, 66199, 66228, 66258, 66287, 66317, 66346, 66376,
                                               66405, 66435, 66465, 66494, 66524, 66553, 66583, 66612, 66641, 66671, 66700, 66730, 66760, 66789, 66819, 66849, 66878, 66908, 66937, 66967,
                                               66996, 67025, 67055, 67084, 67114, 67143, 67173, 67203, 67233, 67262, 67292, 67321, 67351, 67380, 67409, 67439, 67468, 67497, 67527, 67557,
                                               67587, 67617, 67646, 67676, 67705, 67735, 67764, 67793, 67823, 67852, 67882, 67911, 67941, 67971, 68000, 68030, 68060, 68089, 68119, 68148,
                                               68177, 68207, 68236, 68266, 68295, 68325, 68354, 68384, 68414, 68443, 68473, 68502, 68532, 68561, 68591, 68620, 68650, 68679, 68708, 68738,
                                               68768, 68797, 68827, 68857, 68886, 68916, 68946, 68975, 69004, 69034, 69063, 69092, 69122, 69152, 69181, 69211, 69240, 69270, 69300, 69330,
                                               69359, 69388, 69418, 69447, 69476, 69506, 69535, 69565, 69595, 69624, 69654, 69684, 69713, 69743, 69772, 69802, 69831, 69861, 69890, 69919,
                                               69949, 69978, 70008, 70038, 70067, 70097, 70126, 70156, 70186, 70215, 70245, 70274, 70303, 70333, 70362, 70392, 70421, 70451, 70481, 70510,
                                               70540, 70570, 70599, 70629, 70658, 70687, 70717, 70746, 70776, 70805, 70835, 70864, 70894, 70924, 70954, 70983, 71013, 71042, 71071, 71101,
                                               71130, 71159, 71189, 71218, 71248, 71278, 71308, 71337, 71367, 71397, 71426, 71455, 71485, 71514, 71543, 71573, 71602, 71632, 71662, 71691,
                                               71721, 71751, 71781, 71810, 71839, 71869, 71898, 71927, 71957, 71986, 72016, 72046, 72075, 72105, 72135, 72164, 72194, 72223, 72253, 72282,
                                               72311, 72341, 72370, 72400, 72429, 72459, 72489, 72518, 72548, 72577, 72607, 72637, 72666, 72695, 72725, 72754, 72784, 72813, 72843, 72872,
                                               72902, 72931, 72961, 72991, 73020, 73050, 73080, 73109, 73139, 73168, 73197, 73227, 73256, 73286, 73315, 73345, 73375, 73404, 73434, 73464,
                                               73493, 73523, 73552, 73581, 73611, 73640, 73669, 73699, 73729, 73758, 73788, 73818, 73848, 73877, 73907, 73936, 73965, 73995, 74024, 74053,
                                               74083, 74113, 74142, 74172, 74202, 74231, 74261, 74291, 74320, 74349, 74379, 74408, 74437, 74467, 74497, 74526, 74556, 74586, 74615, 74645,
                                               74675, 74704, 74733, 74763, 74792, 74822, 74851, 74881, 74910, 74940, 74969, 74999, 75029, 75058, 75088, 75117, 75147, 75176, 75206, 75235,
                                               75264, 75294, 75323, 75353, 75383, 75412, 75442, 75472, 75501, 75531, 75560, 75590, 75619, 75648, 75678, 75707, 75737, 75766, 75796, 75826,
                                               75856, 75885, 75915, 75944, 75974, 76003, 76032, 76062, 76091, 76121, 76150, 76180, 76210, 76239, 76269, 76299, 76328, 76358, 76387, 76416,
                                               76446, 76475, 76505, 76534, 76564, 76593, 76623, 76653, 76682, 76712, 76741, 76771, 76801, 76830, 76859, 76889, 76918, 76948, 76977, 77007,
                                               77036, 77066, 77096, 77125, 77155, 77185, 77214, 77243, 77273, 77302, 77332, 77361, 77390, 77420, 77450, 77479, 77509, 77539, 77569, 77598,
                                               77627, 77657, 77686, 77715, 77745, 77774, 77804, 77833, 77863, 77893, 77923, 77952, 77982, 78011, 78041, 78070, 78099, 78129, 78158, 78188,
                                               78217, 78247, 78277, 78307, 78336, 78366, 78395, 78425, 78454, 78483, 78513, 78542, 78572, 78601, 78631, 78661, 78690, 78720, 78750, 78779,
                                               78808, 78838, 78867, 78897, 78926, 78956, 78985, 79015, 79044, 79074, 79104, 79133, 79163, 79192, 79222, 79251, 79281, 79310, 79340, 79369,
                                               79399, 79428, 79458, 79487, 79517, 79546, 79576, 79606, 79635, 79665, 79695, 79724, 79753, 79783, 79812, 79841, 79871, 79900, 79930, 79960,
                                               79990 };


    public static int[] ummalQuraCalendar(Calendar cal) {
        if (cal == null)
            cal = Calendar.getInstance();
        double day = cal.get(Calendar.DAY_OF_MONTH);
        double month = cal.get(Calendar.MONTH);
        double year = cal.get(Calendar.YEAR);
        double weekday = cal.get(Calendar.DAY_OF_WEEK);

        //append January and February to the previous year (i.e. regard March as
        //the first month of the year in order to simplify leapday corrections)
        double m = month + 1;
        double y = year;
        if (m < 3) {
            y -= 1;
            m += 12;
        }

        //determine offset between Julian and Gregorian calendar
        double a = Math.floor(y / 100);
        double jgc = a - Math.floor(a / 4) - 2;

        //compute Chronological Julian Day Number (CJDN)
        double cjdn = Math.floor(365.25 * (y + 4716)) + Math.floor(30.6001 * (m + 1)) + day - jgc - 1524;
        a = Math.floor((cjdn - 1867216.25) / 36524.25);
        jgc = a - Math.floor(a / 4.) + 1;
        double b = cjdn + jgc + 1524;
        double c = Math.floor((b - 122.1) / 365.25);
        double d = Math.floor(365.25 * c);
        month = Math.floor((b - d) / 30.6001);
        day = (b - d) - Math.floor(30.6001 * month);

        if (month > 13) {
            c += 1;
            month -= 12;
        }
        month -= 1;
        year = c - 4716;

        //compute Modified Chronological Julian Day Number (MCJDN)
        double mcjdn = cjdn - 2400000;

        //the MCJDN's of the start of the lunations in the Umm al-Qura calendar table
        int i;
        for (i = 0; i < UMMALQURA_DAT.length; i++) {
            if (UMMALQURA_DAT[i] > mcjdn)
                break;
        }

        //compute and output the Umm al-Qura calendar date
        a = i + 16260;
        b = Math.floor((a - 1) / 12);
        year = b + 1;
        month = a - 12 * b;
        day = mcjdn - UMMALQURA_DAT[i - 1] + 1;

        //double monthlen = UMMALQURA_DAT[i] - UMMALQURA_DAT[i-1]; //29 or 30 days

        return new int[]{ (int) weekday, (int) day, (int) month, (int) year };
    }


    public static String getSimpleDate(Calendar cal) {
        int[] dt = ummalQuraCalendar(cal);
        return dt[1] + " " + MONTHS[dt[2]] + " ";
    }

}

من میخوام مثل باد صبا باشه ولی کدشو پیدا نمیکنم .این کلاس ها رو میتونم تغییر بدم یا نه؟ممنون