{"id":"vidhyamitra:city-day:rishikesh:2001-09-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2001-09-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-24","date_display":"September 24, 2001 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":2001,"month":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452176.770833,"kali_year":5103,"ahargana":1863711.2708,"sun":{"sidereal_longitude":156.446,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":240.132,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.686,"elapsed_within_tithi_degrees":11.686},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.132,"elapsed_within_degrees":0.132},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.578},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2001,"month":9,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452176.770833,"ahargana":1863711.2708,"kali_year":5103,"ayanamsa_lahiri":23.8772,"grahas":{"sun":{"sidereal_longitude":157.19197200000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":243.031072,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":0.8944},"mars":{"sidereal_longitude":254.52397199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":183.02347200000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":79.27797199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":129.737172,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":51.01647200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":71.6081,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.6081,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":2001,"month":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452176.770833,"kali_year":5103,"ahargana":1863711.2708,"sun":{"sidereal_longitude":156.446,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":240.132,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.686,"elapsed_within_tithi_degrees":11.686},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.132,"elapsed_within_degrees":0.132},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.578},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.894,"elongation":83.686},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.894,"opposition_distance":96.314}},"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":"06:05","sunsetLocal":"18:11","solarNoonLocal":"12:08","dayLengthHours":12.09551370083183,"dayLengthDisplay":"12 Hours 05 Mins 44 Secs","nightLengthDisplay":"11 Hours 54 Mins 16 Secs","moonriseLocal":"12:47","moonsetLocal":"22:56","rahuKala":{"name":"Rāhu Kāla","start":"07:36","end":"09:07","startHours":7.599790522291758,"endHours":9.111729734895736,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:37","end":"12:08","startHours":10.623668947499716,"endHours":12.135608160103693,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:10","startHours":13.647547372707674,"endHours":15.159486585311651,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.910137839881873,"endHours":9.3133216299096,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:55","startHours":6.591831047222438,"endHours":6.914378079244621,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.732424370075966,"endHours":12.53879195013142,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:17","startHours":4.475116149576868,"endHours":5.281483729632324,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:05","startHours":5.07989183461846,"endHours":6.087851309687779,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:57","startHours":14.151527110242334,"endHours":14.95789469029779,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.98336501051961,"endHours":18.383365010519608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:41","startHours":18.18336501051961,"endHours":18.68734474805427,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.93336501051961,"endHours":19.68336501051961,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.732424370075965,"endHours":24.538791950131422,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:05","end":"07:36","startHours":6.087851309687779,"endHours":7.599790522291758,"quality":"auspicious"},{"name":"Kāla","start":"07:36","end":"09:07","startHours":7.599790522291758,"endHours":9.111729734895736,"quality":"inauspicious"},{"name":"Śubha","start":"09:07","end":"10:37","startHours":9.111729734895736,"endHours":10.623668947499716,"quality":"auspicious"},{"name":"Roga","start":"10:37","end":"12:08","startHours":10.623668947499716,"endHours":12.135608160103693,"quality":"inauspicious"},{"name":"Udveg","start":"12:08","end":"13:39","startHours":12.135608160103693,"endHours":13.647547372707674,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:10","startHours":13.647547372707674,"endHours":15.159486585311651,"quality":"neutral"},{"name":"Labha","start":"15:10","end":"16:40","startHours":15.159486585311651,"endHours":16.67142579791563,"quality":"auspicious"},{"name":"Amṛta","start":"16:40","end":"18:11","startHours":16.67142579791563,"endHours":18.18336501051961,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:11","end":"19:40","startHours":18.18336501051961,"endHours":19.67142579791563,"quality":"neutral"},{"name":"Labha","start":"19:40","end":"21:10","startHours":19.67142579791563,"endHours":21.15948658531165,"quality":"auspicious"},{"name":"Amṛta","start":"21:10","end":"22:39","startHours":21.15948658531165,"endHours":22.64754737270767,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"00:08","startHours":22.64754737270767,"endHours":24.135608160103693,"quality":"inauspicious"},{"name":"Śubha","start":"00:08","end":"01:37","startHours":24.135608160103693,"endHours":25.623668947499716,"quality":"auspicious"},{"name":"Roga","start":"01:37","end":"03:07","startHours":25.623668947499716,"endHours":27.111729734895736,"quality":"inauspicious"},{"name":"Udveg","start":"03:07","end":"04:36","startHours":27.111729734895736,"endHours":28.599790522291755,"quality":"inauspicious"},{"name":"Chala","start":"04:36","end":"06:05","startHours":28.599790522291755,"endHours":30.087851309687778,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.087851309687779,"endHours":7.087851309687779,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.087851309687779,"endHours":8.087851309687778,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.087851309687778,"endHours":9.087851309687778,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.087851309687778,"endHours":10.087851309687778,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.087851309687778,"endHours":11.087851309687778,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.087851309687778,"endHours":12.087851309687778,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.087851309687778,"endHours":13.087851309687778,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.087851309687778,"endHours":14.087851309687778,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.087851309687778,"endHours":15.087851309687778,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.087851309687778,"endHours":16.087851309687778,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.087851309687778,"endHours":17.087851309687778,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.087851309687778,"endHours":18.087851309687778,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.087851309687778,"endHours":19.087851309687778,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.087851309687778,"endHours":20.087851309687778,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.087851309687778,"endHours":21.087851309687778,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.087851309687778,"endHours":22.087851309687778,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.087851309687778,"endHours":23.087851309687778,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.087851309687778,"endHours":24.087851309687778,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.087851309687778,"endHours":25.087851309687778,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.087851309687778,"endHours":26.087851309687778,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.087851309687778,"endHours":27.087851309687778,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.087851309687778,"endHours":28.087851309687778,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.087851309687778,"endHours":29.087851309687778,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.087851309687778,"endHours":30.087851309687778,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-0.42522363535185775,"eotMinutes":8.793110393778392,"ayanamsa":23.8772}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Saptamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 September 24, 2001 CE · Ṛṣikeśa · Vidhyamitra","description":"September 24, 2001 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 06:05, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2001-09-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2001-09-24","sa":"https://sa.vidhyamitra.com/city/rishikesh/2001-09-24","hi":"https://hi.vidhyamitra.com/city/rishikesh/2001-09-24","x-default":"https://vidhyamitra.com/city/rishikesh/2001-09-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T05:00:37.872Z","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":"2026-05-17T05:00:37.872Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T05:00:37.872Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}