{"id":"vidhyamitra:city-day:thane:2173-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2173-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-05-20","date_display":"May 20, 2173 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":2173,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514871.770833,"kali_year":5275,"ahargana":1926406.2708,"sun":{"sidereal_longitude":32.787,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":125.4173,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.6303,"elapsed_within_tithi_degrees":8.6303},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.4173,"elapsed_within_degrees":5.4173},"yoga":{"number":12,"name":"Dhruva","sum_longitude":158.2043},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2173,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514871.770833,"ahargana":1926406.2708,"kali_year":5275,"ayanamsa_lahiri":26.275,"grahas":{"sun":{"sidereal_longitude":33.229761999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":123.64426200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":3.1417},"mars":{"sidereal_longitude":39.349062,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":42.39816200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":228.652062,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":56.01356199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":342.483162,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":349.7253,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":169.7253,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2173,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514871.770833,"kali_year":5275,"ahargana":1926406.2708,"sun":{"sidereal_longitude":32.787,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":125.4173,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.6303,"elapsed_within_tithi_degrees":8.6303},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":125.4173,"elapsed_within_degrees":5.4173},"yoga":{"number":12,"name":"Dhruva","sum_longitude":158.2043},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.142,"elongation":92.63},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.142,"opposition_distance":87.37}},"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":"06:01","sunsetLocal":"19:08","solarNoonLocal":"12:34","dayLengthHours":13.100509969765142,"dayLengthDisplay":"13 Hours 06 Mins 02 Secs","nightLengthDisplay":"10 Hours 53 Mins 58 Secs","moonriseLocal":"12:17","moonsetLocal":"00:55","rahuKala":{"name":"Rāhu Kāla","start":"14:13","end":"15:51","startHours":14.21238519595089,"endHours":15.849948942171533,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:01","end":"07:40","startHours":6.024566464847678,"endHours":7.6621302110683205,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:18","end":"10:56","startHours":9.299693957288962,"endHours":10.937257703509605,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:31","startHours":9.081352124459544,"endHours":9.518035790118383,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:55","startHours":6.570421046921226,"endHours":6.919767979448296,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"13:01","startHours":12.138137784071409,"endHours":13.011505115389086,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:09","startHours":4.277831802212326,"endHours":5.151199133530001,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"06:01","startHours":4.932857300700583,"endHours":6.024566464847678,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:38","startHours":14.75823977802444,"endHours":15.631607109342115,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.92507643461282,"endHours":19.325076434612818,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:40","startHours":19.12507643461282,"endHours":19.670931016686367,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.87507643461282,"endHours":20.62507643461282,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"01:01","startHours":24.13813778407141,"endHours":25.011505115389085,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:01","end":"07:40","startHours":6.024566464847678,"endHours":7.6621302110683205,"quality":"auspicious"},{"name":"Roga","start":"07:40","end":"09:18","startHours":7.6621302110683205,"endHours":9.299693957288962,"quality":"inauspicious"},{"name":"Udveg","start":"09:18","end":"10:56","startHours":9.299693957288962,"endHours":10.937257703509605,"quality":"inauspicious"},{"name":"Chala","start":"10:56","end":"12:34","startHours":10.937257703509605,"endHours":12.574821449730248,"quality":"neutral"},{"name":"Labha","start":"12:34","end":"14:13","startHours":12.574821449730248,"endHours":14.21238519595089,"quality":"auspicious"},{"name":"Amṛta","start":"14:13","end":"15:51","startHours":14.21238519595089,"endHours":15.849948942171533,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:29","startHours":15.849948942171533,"endHours":17.487512688392176,"quality":"inauspicious"},{"name":"Śubha","start":"17:29","end":"19:08","startHours":17.487512688392176,"endHours":19.12507643461282,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:08","end":"20:29","startHours":19.12507643461282,"endHours":20.487512688392176,"quality":"auspicious"},{"name":"Kāla","start":"20:29","end":"21:51","startHours":20.487512688392176,"endHours":21.849948942171533,"quality":"inauspicious"},{"name":"Śubha","start":"21:51","end":"23:13","startHours":21.849948942171533,"endHours":23.21238519595089,"quality":"auspicious"},{"name":"Roga","start":"23:13","end":"00:34","startHours":23.21238519595089,"endHours":24.574821449730248,"quality":"inauspicious"},{"name":"Udveg","start":"00:34","end":"01:56","startHours":24.574821449730248,"endHours":25.937257703509605,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:18","startHours":25.937257703509605,"endHours":27.299693957288962,"quality":"neutral"},{"name":"Labha","start":"03:18","end":"04:40","startHours":27.299693957288962,"endHours":28.66213021106832,"quality":"auspicious"},{"name":"Amṛta","start":"04:40","end":"06:01","startHours":28.66213021106832,"endHours":30.024566464847677,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.024566464847678,"endHours":7.024566464847678,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.024566464847678,"endHours":8.024566464847677,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.024566464847677,"endHours":9.024566464847677,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.024566464847677,"endHours":10.024566464847677,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.024566464847677,"endHours":11.024566464847677,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.024566464847677,"endHours":12.024566464847677,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.024566464847677,"endHours":13.024566464847677,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.024566464847677,"endHours":14.024566464847677,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.024566464847677,"endHours":15.024566464847677,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.024566464847677,"endHours":16.024566464847677,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.024566464847677,"endHours":17.024566464847677,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.024566464847677,"endHours":18.024566464847677,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.024566464847677,"endHours":19.024566464847677,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.024566464847677,"endHours":20.024566464847677,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.024566464847677,"endHours":21.024566464847677,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.024566464847677,"endHours":22.024566464847677,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.024566464847677,"endHours":23.024566464847677,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.024566464847677,"endHours":24.024566464847677,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.024566464847677,"endHours":25.024566464847677,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.024566464847677,"endHours":26.024566464847677,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.024566464847677,"endHours":27.024566464847677,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.024566464847677,"endHours":28.024566464847677,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.024566464847677,"endHours":29.024566464847677,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.024566464847677,"endHours":30.024566464847677,"planetary_lord":"Moon"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.042352569649605,"eotMinutes":3.5983130161851964,"ayanamsa":26.275}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Aṣṭamī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 May 20, 2173 CE · Thane, Maharashtra · Vidhyamitra","description":"May 20, 2173 CE for Thane, Maharashtra: Śukla Aṣṭamī, sūryodaya 06:01, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2173-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2173-05-20","sa":"https://sa.vidhyamitra.com/city/thane/2173-05-20","hi":"https://hi.vidhyamitra.com/city/thane/2173-05-20","x-default":"https://vidhyamitra.com/city/thane/2173-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:36:14.987Z","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":"2026-06-01T13:36:14.987Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:36:14.987Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}