{"id":"vidhyamitra:city-day:rishikesh:2004-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2004-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-12-30","date_display":"December 30, 2004 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2004,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453369.770833,"kali_year":5106,"ahargana":1864904.2708,"sun":{"sidereal_longitude":254.4964,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":114.878,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.3817,"elapsed_within_tithi_degrees":4.3817},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":114.878,"elapsed_within_degrees":8.2114},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.3744},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2004,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453369.770833,"ahargana":1864904.2708,"kali_year":5106,"ayanamsa_lahiri":23.9228,"grahas":{"sun":{"sidereal_longitude":254.758191,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":111.865591,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":4.3148},"mars":{"sidereal_longitude":219.03019100000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":232.18599100000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":173.49569099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":232.66819099999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":91.03009099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":8.3972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":188.3972,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2004,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453369.770833,"kali_year":5106,"ahargana":1864904.2708,"sun":{"sidereal_longitude":254.4964,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":114.878,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.3817,"elapsed_within_tithi_degrees":4.3817},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":114.878,"elapsed_within_degrees":8.2114},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.3744},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.315,"elongation":139.618},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.315,"opposition_distance":40.382}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:13","sunsetLocal":"17:27","solarNoonLocal":"12:20","dayLengthHours":10.231174505585805,"dayLengthDisplay":"10 Hours 13 Mins 52 Secs","nightLengthDisplay":"13 Hours 46 Mins 08 Secs","moonriseLocal":"20:07","moonsetLocal":"09:30","rahuKala":{"name":"Rāhu Kāla","start":"13:36","end":"14:53","startHours":13.607778388202764,"endHours":14.88667520140099,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:13","end":"08:30","startHours":7.2132943222116355,"endHours":8.492191135409861,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:46","end":"11:03","startHours":9.771087948608088,"endHours":11.049984761806313,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:56","startHours":9.60056837351499,"endHours":9.941607523701183,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.639593259944378,"endHours":7.912424580093332,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:40","startHours":11.987842424818345,"endHours":12.66992072519073,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.849137721466861,"endHours":6.531216021839248,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:13","startHours":6.360696446746152,"endHours":7.2132943222116355,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:43","startHours":14.034077325935506,"endHours":14.716155626307893,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.24446882779744,"endHours":17.64446882779744,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:52","startHours":17.44446882779744,"endHours":17.870767765530182,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.19446882779744,"endHours":18.94446882779744,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:40","startHours":23.987842424818343,"endHours":24.66992072519073,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:13","end":"08:30","startHours":7.2132943222116355,"endHours":8.492191135409861,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:46","startHours":8.492191135409861,"endHours":9.771087948608088,"quality":"inauspicious"},{"name":"Udveg","start":"09:46","end":"11:03","startHours":9.771087948608088,"endHours":11.049984761806313,"quality":"inauspicious"},{"name":"Chala","start":"11:03","end":"12:20","startHours":11.049984761806313,"endHours":12.328881575004537,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:36","startHours":12.328881575004537,"endHours":13.607778388202764,"quality":"auspicious"},{"name":"Amṛta","start":"13:36","end":"14:53","startHours":13.607778388202764,"endHours":14.88667520140099,"quality":"auspicious"},{"name":"Kāla","start":"14:53","end":"16:10","startHours":14.88667520140099,"endHours":16.165572014599213,"quality":"inauspicious"},{"name":"Śubha","start":"16:10","end":"17:27","startHours":16.165572014599213,"endHours":17.44446882779744,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:27","end":"19:10","startHours":17.44446882779744,"endHours":19.165572014599213,"quality":"auspicious"},{"name":"Kāla","start":"19:10","end":"20:53","startHours":19.165572014599213,"endHours":20.88667520140099,"quality":"inauspicious"},{"name":"Śubha","start":"20:53","end":"22:36","startHours":20.88667520140099,"endHours":22.607778388202764,"quality":"auspicious"},{"name":"Roga","start":"22:36","end":"00:20","startHours":22.607778388202764,"endHours":24.328881575004537,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"02:03","startHours":24.328881575004537,"endHours":26.04998476180631,"quality":"inauspicious"},{"name":"Chala","start":"02:03","end":"03:46","startHours":26.04998476180631,"endHours":27.771087948608084,"quality":"neutral"},{"name":"Labha","start":"03:46","end":"05:30","startHours":27.771087948608084,"endHours":29.49219113540986,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:13","startHours":29.49219113540986,"endHours":31.213294322211635,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.2132943222116355,"endHours":8.213294322211635,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.213294322211635,"endHours":9.213294322211635,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.213294322211635,"endHours":10.213294322211635,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.213294322211635,"endHours":11.213294322211635,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.213294322211635,"endHours":12.213294322211635,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.213294322211635,"endHours":13.213294322211635,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.213294322211635,"endHours":14.213294322211635,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.213294322211635,"endHours":15.213294322211635,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.213294322211635,"endHours":16.213294322211635,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.213294322211635,"endHours":17.213294322211635,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.213294322211635,"endHours":18.213294322211635,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.213294322211635,"endHours":19.213294322211635,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.213294322211635,"endHours":20.213294322211635,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.213294322211635,"endHours":21.213294322211635,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.213294322211635,"endHours":22.213294322211635,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.213294322211635,"endHours":23.213294322211635,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.213294322211635,"endHours":24.213294322211635,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.213294322211635,"endHours":25.213294322211635,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.213294322211635,"endHours":26.213294322211635,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.213294322211635,"endHours":27.213294322211635,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.213294322211635,"endHours":28.213294322211635,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.213294322211635,"endHours":29.213294322211635,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.213294322211635,"endHours":30.213294322211635,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.213294322211635,"endHours":31.213294322211635,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.15226708527105,"eotMinutes":-2.803294500272213,"ayanamsa":23.9228}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 30, 2004 CE · Ṛṣikeśa · Vidhyamitra","description":"December 30, 2004 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 07:13, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2004-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2004-12-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/2004-12-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/2004-12-30","x-default":"https://vidhyamitra.com/city/rishikesh/2004-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T15:28:53.257Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-16T15:28:53.257Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T15:28:53.257Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}