{"id":"vidhyamitra:city-day:thane:1973-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1973-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-08-20","date_display":"August 20, 1973 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":1973,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441914.770833,"kali_year":5075,"ahargana":1853449.2708,"sun":{"sidereal_longitude":122.8218,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":16.582,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":253.7603,"elapsed_within_tithi_degrees":1.7603},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.582,"elapsed_within_degrees":3.2487},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.4038},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":1973,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441914.770833,"ahargana":1853449.2708,"kali_year":5075,"ayanamsa_lahiri":23.4847,"grahas":{"sun":{"sidereal_longitude":123.39605599999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":15.476255999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":3.8463},"mars":{"sidereal_longitude":9.853656,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":110.21615600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":281.508056,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"venus":{"sidereal_longitude":158.05945599999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":68.58925599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":255.3382,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":75.3382,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1973,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441914.770833,"kali_year":5075,"ahargana":1853449.2708,"sun":{"sidereal_longitude":122.8218,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":16.582,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":253.7603,"elapsed_within_tithi_degrees":1.7603},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.582,"elapsed_within_degrees":3.2487},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.4038},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.846,"elongation":106.24},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.846,"opposition_distance":73.76}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:20","sunsetLocal":"19:03","solarNoonLocal":"12:41","dayLengthHours":12.714430488148,"dayLengthDisplay":"12 Hours 42 Mins 52 Secs","nightLengthDisplay":"11 Hours 17 Mins 08 Secs","moonriseLocal":"23:06","moonsetLocal":"11:53","rahuKala":{"name":"Rāhu Kāla","start":"07:55","end":"09:30","startHours":7.917715415453337,"endHours":9.507019226471837,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:06","end":"12:41","startHours":11.096323037490338,"endHours":12.685626848508837,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:16","end":"15:52","startHours":14.274930659527337,"endHours":15.864234470545838,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:43","startHours":9.29511205166937,"endHours":9.718926401274304,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:12","startHours":6.858179541441004,"endHours":7.19723102112495,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"13:07","startHours":12.261812498903904,"endHours":13.109441198113771,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:29","startHours":4.633154206015104,"endHours":5.48078290522497,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:20","startHours":5.268875730422504,"endHours":6.328411604434837,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:39","startHours":14.804698596533505,"endHours":15.652327295743373,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.84284209258284,"endHours":19.242842092582837,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:34","startHours":19.042842092582838,"endHours":19.572610029589004,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.792842092582838,"endHours":20.542842092582838,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"01:07","startHours":24.261812498903907,"endHours":25.10944119811377,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:20","end":"07:55","startHours":6.328411604434837,"endHours":7.917715415453337,"quality":"auspicious"},{"name":"Kāla","start":"07:55","end":"09:30","startHours":7.917715415453337,"endHours":9.507019226471837,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"11:06","startHours":9.507019226471837,"endHours":11.096323037490338,"quality":"auspicious"},{"name":"Roga","start":"11:06","end":"12:41","startHours":11.096323037490338,"endHours":12.685626848508837,"quality":"inauspicious"},{"name":"Udveg","start":"12:41","end":"14:16","startHours":12.685626848508837,"endHours":14.274930659527337,"quality":"inauspicious"},{"name":"Chala","start":"14:16","end":"15:52","startHours":14.274930659527337,"endHours":15.864234470545838,"quality":"neutral"},{"name":"Labha","start":"15:52","end":"17:27","startHours":15.864234470545838,"endHours":17.453538281564338,"quality":"auspicious"},{"name":"Amṛta","start":"17:27","end":"19:03","startHours":17.453538281564338,"endHours":19.042842092582838,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:03","end":"20:27","startHours":19.042842092582838,"endHours":20.453538281564338,"quality":"neutral"},{"name":"Labha","start":"20:27","end":"21:52","startHours":20.453538281564338,"endHours":21.86423447054584,"quality":"auspicious"},{"name":"Amṛta","start":"21:52","end":"23:16","startHours":21.86423447054584,"endHours":23.274930659527335,"quality":"auspicious"},{"name":"Kāla","start":"23:16","end":"00:41","startHours":23.274930659527335,"endHours":24.68562684850884,"quality":"inauspicious"},{"name":"Śubha","start":"00:41","end":"02:06","startHours":24.68562684850884,"endHours":26.096323037490336,"quality":"auspicious"},{"name":"Roga","start":"02:06","end":"03:30","startHours":26.096323037490336,"endHours":27.507019226471837,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"04:55","startHours":27.507019226471837,"endHours":28.917715415453337,"quality":"inauspicious"},{"name":"Chala","start":"04:55","end":"06:20","startHours":28.917715415453337,"endHours":30.328411604434837,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.328411604434837,"endHours":7.328411604434837,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.328411604434837,"endHours":8.328411604434837,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.328411604434837,"endHours":9.328411604434837,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.328411604434837,"endHours":10.328411604434837,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.328411604434837,"endHours":11.328411604434837,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.328411604434837,"endHours":12.328411604434837,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.328411604434837,"endHours":13.328411604434837,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.328411604434837,"endHours":14.328411604434837,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.328411604434837,"endHours":15.328411604434837,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.328411604434837,"endHours":16.328411604434837,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.328411604434837,"endHours":17.328411604434837,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.328411604434837,"endHours":18.328411604434837,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.328411604434837,"endHours":19.328411604434837,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.328411604434837,"endHours":20.328411604434837,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.328411604434837,"endHours":21.328411604434837,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.328411604434837,"endHours":22.328411604434837,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.328411604434837,"endHours":23.328411604434837,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.328411604434837,"endHours":24.328411604434837,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.328411604434837,"endHours":25.328411604434837,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.328411604434837,"endHours":26.328411604434837,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.328411604434837,"endHours":27.328411604434837,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.328411604434837,"endHours":28.328411604434837,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.328411604434837,"endHours":29.328411604434837,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.328411604434837,"endHours":30.328411604434837,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.551341996195129,"eotMinutes":-3.0500109105302213,"ayanamsa":23.4847}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[],"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":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 20, 1973 CE · Thane, Maharashtra · Vidhyamitra","description":"August 20, 1973 CE for Thane, Maharashtra: Kṛṣṇa Saptamī, sūryodaya 06:20, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1973-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1973-08-20","sa":"https://sa.vidhyamitra.com/city/thane/1973-08-20","hi":"https://hi.vidhyamitra.com/city/thane/1973-08-20","x-default":"https://vidhyamitra.com/city/thane/1973-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:04:27.119Z","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":"2026-05-31T18:04:27.119Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:04:27.119Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}