{"id":"vidhyamitra:city-day:rishikesh:1999-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1999-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1999-10-12","date_display":"October 12, 1999 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":1999,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451463.770833,"kali_year":5101,"ahargana":1862998.2708,"sun":{"sidereal_longitude":173.6874,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":205.6492,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.9619,"elapsed_within_tithi_degrees":7.9619},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.6492,"elapsed_within_degrees":5.6492},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.3366},"karana":{"half_tithi_index":5,"name":"Gara"},"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":1999,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451463.770833,"ahargana":1862998.2708,"kali_year":5101,"ayanamsa_lahiri":23.8499,"grahas":{"sun":{"sidereal_longitude":174.42641400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":203.466414,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":4.4731},"mars":{"sidereal_longitude":242.548814,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":195.79031399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":7.647514000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":129.47171400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":21.709114,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":109.3862,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.3862,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"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":1999,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451463.770833,"kali_year":5101,"ahargana":1862998.2708,"sun":{"sidereal_longitude":173.6874,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":205.6492,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.9619,"elapsed_within_tithi_degrees":7.9619},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.6492,"elapsed_within_degrees":5.6492},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.3366},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.473,"elongation":31.962},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.473,"opposition_distance":148.038}},"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":"06:16","sunsetLocal":"17:50","solarNoonLocal":"12:03","dayLengthHours":11.572737566989801,"dayLengthDisplay":"11 Hours 34 Mins 22 Secs","nightLengthDisplay":"12 Hours 25 Mins 38 Secs","moonriseLocal":"08:37","moonsetLocal":"19:21","rahuKala":{"name":"Rāhu Kāla","start":"14:56","end":"16:23","startHours":14.938353276927785,"endHours":16.38494547280151,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:36","startHours":9.151984493432884,"endHours":10.598576689306608,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:30","startHours":12.045168885180335,"endHours":13.491761081054058,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.959105533983053,"endHours":9.344863452882713,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:03","startHours":6.740997500310009,"endHours":7.049603835429736,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.659410966280674,"endHours":12.430926804079995,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:29","startHours":4.715768426086793,"endHours":5.487284263886114,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:16","startHours":5.2944053044362835,"endHours":6.258800101685433,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:45","startHours":13.973958479678634,"endHours":14.745474317477955,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.631537668675236,"endHours":18.031537668675234,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:19","startHours":17.831537668675235,"endHours":18.31373506729981,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.581537668675235,"endHours":19.331537668675235,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.659410966280674,"endHours":24.430926804079995,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:16","end":"07:42","startHours":6.258800101685433,"endHours":7.705392297559158,"quality":"inauspicious"},{"name":"Udveg","start":"07:42","end":"09:09","startHours":7.705392297559158,"endHours":9.151984493432884,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:36","startHours":9.151984493432884,"endHours":10.598576689306608,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:03","startHours":10.598576689306608,"endHours":12.045168885180335,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:30","startHours":12.045168885180335,"endHours":13.491761081054058,"quality":"auspicious"},{"name":"Kāla","start":"13:30","end":"14:56","startHours":13.491761081054058,"endHours":14.938353276927785,"quality":"inauspicious"},{"name":"Śubha","start":"14:56","end":"16:23","startHours":14.938353276927785,"endHours":16.38494547280151,"quality":"auspicious"},{"name":"Roga","start":"16:23","end":"17:50","startHours":16.38494547280151,"endHours":17.831537668675235,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:23","startHours":17.831537668675235,"endHours":19.384945472801512,"quality":"inauspicious"},{"name":"Śubha","start":"19:23","end":"20:56","startHours":19.384945472801512,"endHours":20.938353276927785,"quality":"auspicious"},{"name":"Roga","start":"20:56","end":"22:30","startHours":20.938353276927785,"endHours":22.491761081054058,"quality":"inauspicious"},{"name":"Udveg","start":"22:30","end":"00:03","startHours":22.491761081054058,"endHours":24.045168885180335,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:36","startHours":24.045168885180335,"endHours":25.59857668930661,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"03:09","startHours":25.59857668930661,"endHours":27.151984493432884,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:42","startHours":27.151984493432884,"endHours":28.705392297559158,"quality":"auspicious"},{"name":"Kāla","start":"04:42","end":"06:16","startHours":28.705392297559158,"endHours":30.258800101685434,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.258800101685433,"endHours":7.258800101685433,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.258800101685433,"endHours":8.258800101685434,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.258800101685434,"endHours":9.258800101685434,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.258800101685434,"endHours":10.258800101685434,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.258800101685434,"endHours":11.258800101685434,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.258800101685434,"endHours":12.258800101685434,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.258800101685434,"endHours":13.258800101685434,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.258800101685434,"endHours":14.258800101685434,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.258800101685434,"endHours":15.258800101685434,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.258800101685434,"endHours":16.258800101685434,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.258800101685434,"endHours":17.258800101685434,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.258800101685434,"endHours":18.258800101685434,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.258800101685434,"endHours":19.258800101685434,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.258800101685434,"endHours":20.258800101685434,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.258800101685434,"endHours":21.258800101685434,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.258800101685434,"endHours":22.258800101685434,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.258800101685434,"endHours":23.258800101685434,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.258800101685434,"endHours":24.258800101685434,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.258800101685434,"endHours":25.258800101685434,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.258800101685434,"endHours":26.258800101685434,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.258800101685434,"endHours":27.258800101685434,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.258800101685434,"endHours":28.258800101685434,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.258800101685434,"endHours":29.258800101685434,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.258800101685434,"endHours":30.258800101685434,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.16509893685859,"eotMinutes":14.219466889179907,"ayanamsa":23.8499}},"calendars":{"vikram_samvat":2056,"vikram_samvatsara":"Nandana","saka_samvat":1921,"saka_samvatsara":"Pramāthi","bengali_samvat":1406,"malayalam_era":1175,"nanakshahi_year":530,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Tṛtīyā · Vikram 2056 Nandana · Śaka 1921 Pramāthi"},"festivals":[],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 October 12, 1999 CE · Ṛṣikeśa · Vidhyamitra","description":"October 12, 1999 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 06:16, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1999-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1999-10-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/1999-10-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/1999-10-12","x-default":"https://vidhyamitra.com/city/rishikesh/1999-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:29:09.535Z","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":"2026-06-01T03:29:09.535Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:29:09.535Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}