{"id":"vidhyamitra:city-day:indore:1981-10-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/indore/1981-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-21","date_display":"October 21, 1981 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":1981,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444898.770833,"kali_year":5083,"ahargana":1856433.2708,"sun":{"sidereal_longitude":183.2849,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":101.7807,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.4958,"elapsed_within_tithi_degrees":2.4958},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.7807,"elapsed_within_degrees":8.4474},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.0656},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":1981,"month":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444898.770833,"ahargana":1856433.2708,"kali_year":5083,"ayanamsa_lahiri":23.5988,"grahas":{"sun":{"sidereal_longitude":183.96124499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":105.048745,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":0.3566},"mars":{"sidereal_longitude":126.62834499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":178.73704499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":179.00744499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":230.13394500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":170.74344499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":97.2315,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.2315,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444898.770833,"kali_year":5083,"ahargana":1856433.2708,"sun":{"sidereal_longitude":183.2849,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":101.7807,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.4958,"elapsed_within_tithi_degrees":2.4958},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.7807,"elapsed_within_degrees":8.4474},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.0656},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.357,"elongation":81.504},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.357,"opposition_distance":98.496}},"eclipse_window_40days":[]},"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"06:25","sunsetLocal":"17:56","solarNoonLocal":"12:11","dayLengthHours":11.523326573927852,"dayLengthDisplay":"11 Hours 31 Mins 24 Secs","nightLengthDisplay":"12 Hours 28 Mins 36 Secs","moonriseLocal":"00:21","moonsetLocal":"13:29","rahuKala":{"name":"Rāhu Kāla","start":"12:11","end":"13:37","startHours":12.178996323888253,"endHours":13.619412145629235,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:51","end":"09:18","startHours":7.8577488586653095,"endHours":9.298164680406291,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:44","end":"12:11","startHours":10.738580502147272,"endHours":12.178996323888253,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:29","startHours":9.106109237507493,"endHours":9.490220123305088,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:12","startHours":6.897471644171322,"endHours":7.204760352809398,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:34","startHours":11.79488543809066,"endHours":12.56310720968585,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:39","startHours":4.880889493733948,"endHours":5.649111265329138,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:25","startHours":5.45705582243034,"endHours":6.417333036924328,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:52","startHours":14.09955075287623,"endHours":14.86777252447142,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.74065961085218,"endHours":18.14065961085218,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:25","startHours":17.94065961085218,"endHours":18.420798218099172,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.69065961085218,"endHours":19.44065961085218,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:34","startHours":23.79488543809066,"endHours":24.563107209685853,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:25","end":"07:51","startHours":6.417333036924328,"endHours":7.8577488586653095,"quality":"auspicious"},{"name":"Amṛta","start":"07:51","end":"09:18","startHours":7.8577488586653095,"endHours":9.298164680406291,"quality":"auspicious"},{"name":"Kāla","start":"09:18","end":"10:44","startHours":9.298164680406291,"endHours":10.738580502147272,"quality":"inauspicious"},{"name":"Śubha","start":"10:44","end":"12:11","startHours":10.738580502147272,"endHours":12.178996323888253,"quality":"auspicious"},{"name":"Roga","start":"12:11","end":"13:37","startHours":12.178996323888253,"endHours":13.619412145629235,"quality":"inauspicious"},{"name":"Udveg","start":"13:37","end":"15:04","startHours":13.619412145629235,"endHours":15.059827967370216,"quality":"inauspicious"},{"name":"Chala","start":"15:04","end":"16:30","startHours":15.059827967370216,"endHours":16.5002437891112,"quality":"neutral"},{"name":"Labha","start":"16:30","end":"17:56","startHours":16.5002437891112,"endHours":17.94065961085218,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:56","end":"19:30","startHours":17.94065961085218,"endHours":19.5002437891112,"quality":"inauspicious"},{"name":"Chala","start":"19:30","end":"21:04","startHours":19.5002437891112,"endHours":21.059827967370218,"quality":"neutral"},{"name":"Labha","start":"21:04","end":"22:37","startHours":21.059827967370218,"endHours":22.619412145629234,"quality":"auspicious"},{"name":"Amṛta","start":"22:37","end":"00:11","startHours":22.619412145629234,"endHours":24.178996323888253,"quality":"auspicious"},{"name":"Kāla","start":"00:11","end":"01:44","startHours":24.178996323888253,"endHours":25.738580502147272,"quality":"inauspicious"},{"name":"Śubha","start":"01:44","end":"03:18","startHours":25.738580502147272,"endHours":27.29816468040629,"quality":"auspicious"},{"name":"Roga","start":"03:18","end":"04:51","startHours":27.29816468040629,"endHours":28.85774885866531,"quality":"inauspicious"},{"name":"Udveg","start":"04:51","end":"06:25","startHours":28.85774885866531,"endHours":30.417333036924326,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.417333036924328,"endHours":7.417333036924328,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.417333036924328,"endHours":8.417333036924328,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.417333036924328,"endHours":9.417333036924328,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.417333036924328,"endHours":10.417333036924328,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.417333036924328,"endHours":11.417333036924328,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.417333036924328,"endHours":12.417333036924328,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.417333036924328,"endHours":13.417333036924328,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.417333036924328,"endHours":14.417333036924328,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.417333036924328,"endHours":15.417333036924328,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.417333036924328,"endHours":16.417333036924326,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.417333036924326,"endHours":17.417333036924326,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.417333036924326,"endHours":18.417333036924326,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.417333036924326,"endHours":19.417333036924326,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.417333036924326,"endHours":20.417333036924326,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.417333036924326,"endHours":21.417333036924326,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.417333036924326,"endHours":22.417333036924326,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.417333036924326,"endHours":23.417333036924326,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.417333036924326,"endHours":24.417333036924326,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.417333036924326,"endHours":25.417333036924326,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.417333036924326,"endHours":26.417333036924326,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.417333036924326,"endHours":27.417333036924326,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.417333036924326,"endHours":28.417333036924326,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.417333036924326,"endHours":29.417333036924326,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.417333036924326,"endHours":30.417333036924326,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.604120110199053,"eotMinutes":15.829420566704727,"ayanamsa":23.5988}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Navamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":"indore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 21, 1981 CE · Indore, Madhya Pradesh · Vidhyamitra","description":"October 21, 1981 CE for Indore, Madhya Pradesh: Kṛṣṇa Navamī, sūryodaya 06:25, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/indore/1981-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/indore/1981-10-21","sa":"https://sa.vidhyamitra.com/city/indore/1981-10-21","hi":"https://hi.vidhyamitra.com/city/indore/1981-10-21","x-default":"https://vidhyamitra.com/city/indore/1981-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:26:23.436Z","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":"2026-05-31T13:26:23.436Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:26:23.436Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}