{"id":"vidhyamitra:city-day:rishikesh:2073-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2073-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2073-09-20","date_display":"September 20, 2073 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":2073,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478470.770833,"kali_year":5175,"ahargana":1890005.2708,"sun":{"sidereal_longitude":151.9237,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":15.7847,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.861,"elapsed_within_tithi_degrees":7.861},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.7847,"elapsed_within_degrees":2.4514},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.7084},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2073,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2478470.770833,"ahargana":1890005.2708,"kali_year":5175,"ayanamsa_lahiri":24.8828,"grahas":{"sun":{"sidereal_longitude":152.83794799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":12.871548000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-4.3907},"mars":{"sidereal_longitude":87.312948,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":177.48114800000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":100.34334799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":128.62424799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":205.84574799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":118.4254,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":298.4254,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2073,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478470.770833,"kali_year":5175,"ahargana":1890005.2708,"sun":{"sidereal_longitude":151.9237,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":15.7847,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.861,"elapsed_within_tithi_degrees":7.861},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.7847,"elapsed_within_degrees":2.4514},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.7084},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.391,"elongation":136.139},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.391,"opposition_distance":43.861}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":1.047,"elongation":1.628}]},"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":"06:04","sunsetLocal":"18:16","solarNoonLocal":"12:10","dayLengthHours":12.198414976712165,"dayLengthDisplay":"12 Hours 11 Mins 54 Secs","nightLengthDisplay":"11 Hours 48 Mins 06 Secs","moonriseLocal":"20:13","moonsetLocal":"09:26","rahuKala":{"name":"Rāhu Kāla","start":"12:10","end":"13:41","startHours":12.159711420640761,"endHours":13.68451329272978,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:35","end":"09:07","startHours":7.585305804373698,"endHours":9.110107676462718,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:38","end":"12:10","startHours":10.63490954855174,"endHours":12.159711420640761,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:19","startHours":8.906800760184183,"endHours":9.313414592741255,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.568771222981018,"endHours":6.894062289026675,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:34","startHours":11.753097588083689,"endHours":12.566325253197833,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:15","startHours":4.434048602056389,"endHours":5.247276267170533,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:04","startHours":5.043969350891997,"endHours":6.060503932284678,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:00","startHours":14.19278058342612,"endHours":15.006008248540265,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.058918908996844,"endHours":18.458918908996843,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:46","startHours":18.258918908996844,"endHours":18.767186199693185,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.008918908996844,"endHours":19.758918908996844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:34","startHours":23.75309758808369,"endHours":24.56632525319783,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:04","end":"07:35","startHours":6.060503932284678,"endHours":7.585305804373698,"quality":"auspicious"},{"name":"Amṛta","start":"07:35","end":"09:07","startHours":7.585305804373698,"endHours":9.110107676462718,"quality":"auspicious"},{"name":"Kāla","start":"09:07","end":"10:38","startHours":9.110107676462718,"endHours":10.63490954855174,"quality":"inauspicious"},{"name":"Śubha","start":"10:38","end":"12:10","startHours":10.63490954855174,"endHours":12.159711420640761,"quality":"auspicious"},{"name":"Roga","start":"12:10","end":"13:41","startHours":12.159711420640761,"endHours":13.68451329272978,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"15:13","startHours":13.68451329272978,"endHours":15.2093151648188,"quality":"inauspicious"},{"name":"Chala","start":"15:13","end":"16:44","startHours":15.2093151648188,"endHours":16.734117036907822,"quality":"neutral"},{"name":"Labha","start":"16:44","end":"18:16","startHours":16.734117036907822,"endHours":18.258918908996844,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:16","end":"19:44","startHours":18.258918908996844,"endHours":19.734117036907822,"quality":"inauspicious"},{"name":"Chala","start":"19:44","end":"21:13","startHours":19.734117036907822,"endHours":21.209315164818804,"quality":"neutral"},{"name":"Labha","start":"21:13","end":"22:41","startHours":21.209315164818804,"endHours":22.684513292729783,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:10","startHours":22.684513292729783,"endHours":24.15971142064076,"quality":"auspicious"},{"name":"Kāla","start":"00:10","end":"01:38","startHours":24.15971142064076,"endHours":25.63490954855174,"quality":"inauspicious"},{"name":"Śubha","start":"01:38","end":"03:07","startHours":25.63490954855174,"endHours":27.110107676462718,"quality":"auspicious"},{"name":"Roga","start":"03:07","end":"04:35","startHours":27.110107676462718,"endHours":28.5853058043737,"quality":"inauspicious"},{"name":"Udveg","start":"04:35","end":"06:04","startHours":28.5853058043737,"endHours":30.06050393228468,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.060503932284678,"endHours":7.060503932284678,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.060503932284678,"endHours":8.060503932284679,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.060503932284679,"endHours":9.060503932284679,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.060503932284679,"endHours":10.060503932284679,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.060503932284679,"endHours":11.060503932284679,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.060503932284679,"endHours":12.060503932284679,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.060503932284679,"endHours":13.060503932284679,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.060503932284679,"endHours":14.060503932284679,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.060503932284679,"endHours":15.060503932284679,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.060503932284679,"endHours":16.06050393228468,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.06050393228468,"endHours":17.06050393228468,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.06050393228468,"endHours":18.06050393228468,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.06050393228468,"endHours":19.06050393228468,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.06050393228468,"endHours":20.06050393228468,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.06050393228468,"endHours":21.06050393228468,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.06050393228468,"endHours":22.06050393228468,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.06050393228468,"endHours":23.06050393228468,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.06050393228468,"endHours":24.06050393228468,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.06050393228468,"endHours":25.06050393228468,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.06050393228468,"endHours":26.06050393228468,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.06050393228468,"endHours":27.06050393228468,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.06050393228468,"endHours":28.06050393228468,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.06050393228468,"endHours":29.06050393228468,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.06050393228468,"endHours":30.06050393228468,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.9063312280469417,"eotMinutes":7.346914761554353,"ayanamsa":24.8828}},"calendars":{"vikram_samvat":2130,"vikram_samvatsara":"Parābhava","saka_samvat":1995,"saka_samvatsara":"Vijaya","bengali_samvat":1480,"malayalam_era":1249,"nanakshahi_year":604,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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 Kṛṣṇa Caturthī · Vikram 2130 Parābhava · Śaka 1995 Vijaya"},"festivals":[{"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 20, 2073 CE · Ṛṣikeśa · Vidhyamitra","description":"September 20, 2073 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 06:04, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2073-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2073-09-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/2073-09-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/2073-09-20","x-default":"https://vidhyamitra.com/city/rishikesh/2073-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:58:18.066Z","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":"2026-06-01T19:58:18.066Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:58:18.066Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}