{"id":"vidhyamitra:city-day:rishikesh:2004-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2004-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-01-27","date_display":"January 27, 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":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453031.770833,"kali_year":5105,"ahargana":1864566.2708,"sun":{"sidereal_longitude":282.486,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":346.9449,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.459,"elapsed_within_tithi_degrees":4.459},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":346.9449,"elapsed_within_degrees":0.2783},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.4309},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453031.770833,"ahargana":1864566.2708,"kali_year":5105,"ayanamsa_lahiri":23.9099,"grahas":{"sun":{"sidereal_longitude":282.5182050000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":347.755005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-2.8522},"mars":{"sidereal_longitude":1.317904999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.195105,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":144.20890500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":320.94040500000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":73.70190500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":26.306,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":206.306,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"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":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453031.770833,"kali_year":5105,"ahargana":1864566.2708,"sun":{"sidereal_longitude":282.486,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":346.9449,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.459,"elapsed_within_tithi_degrees":4.459},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":346.9449,"elapsed_within_degrees":0.2783},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.4309},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.852,"elongation":64.459},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.852,"opposition_distance":115.541}},"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":"07:11","sunsetLocal":"17:49","solarNoonLocal":"12:30","dayLengthHours":10.633155693801747,"dayLengthDisplay":"10 Hours 37 Mins 59 Secs","nightLengthDisplay":"13 Hours 22 Mins 01 Secs","moonriseLocal":"10:37","moonsetLocal":"23:04","rahuKala":{"name":"Rāhu Kāla","start":"15:09","end":"16:29","startHours":15.15319568189842,"endHours":16.48234014362364,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:10","startHours":9.836617834997547,"endHours":11.165762296722766,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"13:49","startHours":12.494906758447986,"endHours":13.824051220173203,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.659398573434185,"endHours":10.013837096560911,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.621377065455517,"endHours":7.904927883956897,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.140468235321261,"endHours":12.84934528157471,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.760574819040212,"endHours":6.469451865293661,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.292232603730299,"endHours":7.178328911547111,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:59","startHours":14.26709937408161,"endHours":14.97597642033506,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.61148460534886,"endHours":18.01148460534886,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:15","startHours":17.81148460534886,"endHours":18.254532759257266,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.56148460534886,"endHours":19.31148460534886,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.14046823532126,"endHours":24.84934528157471,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:11","end":"08:30","startHours":7.178328911547111,"endHours":8.50747337327233,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"09:50","startHours":8.50747337327233,"endHours":9.836617834997547,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:10","startHours":9.836617834997547,"endHours":11.165762296722766,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:30","startHours":11.165762296722766,"endHours":12.494906758447986,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"13:49","startHours":12.494906758447986,"endHours":13.824051220173203,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:09","startHours":13.824051220173203,"endHours":15.15319568189842,"quality":"inauspicious"},{"name":"Śubha","start":"15:09","end":"16:29","startHours":15.15319568189842,"endHours":16.48234014362364,"quality":"auspicious"},{"name":"Roga","start":"16:29","end":"17:49","startHours":16.48234014362364,"endHours":17.81148460534886,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:29","startHours":17.81148460534886,"endHours":19.48234014362364,"quality":"inauspicious"},{"name":"Śubha","start":"19:29","end":"21:09","startHours":19.48234014362364,"endHours":21.153195681898424,"quality":"auspicious"},{"name":"Roga","start":"21:09","end":"22:49","startHours":21.153195681898424,"endHours":22.824051220173203,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:30","startHours":22.824051220173203,"endHours":24.494906758447986,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"02:10","startHours":24.494906758447986,"endHours":26.165762296722768,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:50","startHours":26.165762296722768,"endHours":27.836617834997547,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:30","startHours":27.836617834997547,"endHours":29.50747337327233,"quality":"auspicious"},{"name":"Kāla","start":"05:30","end":"07:11","startHours":29.50747337327233,"endHours":31.178328911547112,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.178328911547111,"endHours":8.178328911547112,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.178328911547112,"endHours":9.178328911547112,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.178328911547112,"endHours":10.178328911547112,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.178328911547112,"endHours":11.178328911547112,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.178328911547112,"endHours":12.178328911547112,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.178328911547112,"endHours":13.178328911547112,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.178328911547112,"endHours":14.178328911547112,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.178328911547112,"endHours":15.178328911547112,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.178328911547112,"endHours":16.178328911547112,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.178328911547112,"endHours":17.178328911547112,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.178328911547112,"endHours":18.178328911547112,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.178328911547112,"endHours":19.178328911547112,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.178328911547112,"endHours":20.178328911547112,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.178328911547112,"endHours":21.178328911547112,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.178328911547112,"endHours":22.178328911547112,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.178328911547112,"endHours":23.178328911547112,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.178328911547112,"endHours":24.178328911547112,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.178328911547112,"endHours":25.178328911547112,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.178328911547112,"endHours":26.178328911547112,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.178328911547112,"endHours":27.178328911547112,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.178328911547112,"endHours":28.178328911547112,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.178328911547112,"endHours":29.178328911547112,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.178328911547112,"endHours":30.178328911547112,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.178328911547112,"endHours":31.178328911547112,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-18.663927447014768,"eotMinutes":-12.76480550687915,"ayanamsa":23.9099}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 January 27, 2004 CE · Ṛṣikeśa · Vidhyamitra","description":"January 27, 2004 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:11, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2004-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2004-01-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2004-01-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2004-01-27","x-default":"https://vidhyamitra.com/city/rishikesh/2004-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T14:22:48.254Z","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":"2026-05-16T14:22:48.254Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T14:22:48.254Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}