{"id":"vidhyamitra:city-day:thane:1978-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1978-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-05-12","date_display":"May 12, 1978 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":1978,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443640.770833,"kali_year":5080,"ahargana":1855175.2708,"sun":{"sidereal_longitude":27.4745,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":84.7333,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.2588,"elapsed_within_tithi_degrees":9.2588},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.7333,"elapsed_within_degrees":4.7333},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.2078},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1978,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443640.770833,"ahargana":1855175.2708,"kali_year":5080,"ayanamsa_lahiri":23.5507,"grahas":{"sun":{"sidereal_longitude":27.42311000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":81.46510999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-4.4194},"mars":{"sidereal_longitude":109.77141,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":1.5093100000000277,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":71.28370999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":54.65690999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":120.24100999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":163.8864,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":343.8864,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1978,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443640.770833,"kali_year":5080,"ahargana":1855175.2708,"sun":{"sidereal_longitude":27.4745,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":84.7333,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.2588,"elapsed_within_tithi_degrees":9.2588},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.7333,"elapsed_within_degrees":4.7333},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.2078},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.419,"elongation":57.259},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.419,"opposition_distance":122.741}},"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":"06:05","sunsetLocal":"19:04","solarNoonLocal":"12:34","dayLengthHours":12.99162572396831,"dayLengthDisplay":"12 Hours 59 Mins 30 Secs","nightLengthDisplay":"11 Hours 00 Mins 30 Secs","moonriseLocal":"09:34","moonsetLocal":"22:47","rahuKala":{"name":"Rāhu Kāla","start":"10:57","end":"12:34","startHours":10.948547123176155,"endHours":12.572500338672192,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:49","end":"17:27","startHours":15.82040676966427,"endHours":17.44435998516031,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:42","end":"09:19","startHours":7.700640692184077,"endHours":9.324593907680116,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:32","startHours":9.108066812280644,"endHours":9.541121003079589,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:58","startHours":6.6180052151867175,"endHours":6.9644485678258725,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"13:00","startHours":12.13944614787325,"endHours":13.005554529471135,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:13","startHours":4.344470713492264,"endHours":5.210579095090151,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"06:05","startHours":4.994051999690679,"endHours":6.076687476688038,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:36","startHours":14.737771292666912,"endHours":15.6038796742648,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.86831320065635,"endHours":19.268313200656348,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:37","startHours":19.06831320065635,"endHours":19.60963093915503,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.81831320065635,"endHours":20.56831320065635,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"01:00","startHours":24.139446147873247,"endHours":25.005554529471137,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:05","end":"07:42","startHours":6.076687476688038,"endHours":7.700640692184077,"quality":"neutral"},{"name":"Labha","start":"07:42","end":"09:19","startHours":7.700640692184077,"endHours":9.324593907680116,"quality":"auspicious"},{"name":"Amṛta","start":"09:19","end":"10:57","startHours":9.324593907680116,"endHours":10.948547123176155,"quality":"auspicious"},{"name":"Kāla","start":"10:57","end":"12:34","startHours":10.948547123176155,"endHours":12.572500338672192,"quality":"inauspicious"},{"name":"Śubha","start":"12:34","end":"14:12","startHours":12.572500338672192,"endHours":14.196453554168231,"quality":"auspicious"},{"name":"Roga","start":"14:12","end":"15:49","startHours":14.196453554168231,"endHours":15.82040676966427,"quality":"inauspicious"},{"name":"Udveg","start":"15:49","end":"17:27","startHours":15.82040676966427,"endHours":17.44435998516031,"quality":"inauspicious"},{"name":"Chala","start":"17:27","end":"19:04","startHours":17.44435998516031,"endHours":19.06831320065635,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:04","end":"20:27","startHours":19.06831320065635,"endHours":20.44435998516031,"quality":"inauspicious"},{"name":"Udveg","start":"20:27","end":"21:49","startHours":20.44435998516031,"endHours":21.82040676966427,"quality":"inauspicious"},{"name":"Chala","start":"21:49","end":"23:12","startHours":21.82040676966427,"endHours":23.196453554168233,"quality":"neutral"},{"name":"Labha","start":"23:12","end":"00:34","startHours":23.196453554168233,"endHours":24.572500338672192,"quality":"auspicious"},{"name":"Amṛta","start":"00:34","end":"01:57","startHours":24.572500338672192,"endHours":25.948547123176155,"quality":"auspicious"},{"name":"Kāla","start":"01:57","end":"03:19","startHours":25.948547123176155,"endHours":27.324593907680118,"quality":"inauspicious"},{"name":"Śubha","start":"03:19","end":"04:42","startHours":27.324593907680118,"endHours":28.700640692184077,"quality":"auspicious"},{"name":"Roga","start":"04:42","end":"06:05","startHours":28.700640692184077,"endHours":30.076687476688036,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.076687476688038,"endHours":7.076687476688038,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.076687476688038,"endHours":8.076687476688038,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.076687476688038,"endHours":9.076687476688038,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.076687476688038,"endHours":10.076687476688038,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.076687476688038,"endHours":11.076687476688038,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.076687476688038,"endHours":12.076687476688038,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.076687476688038,"endHours":13.076687476688038,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.076687476688038,"endHours":14.076687476688038,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.076687476688038,"endHours":15.076687476688038,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.076687476688038,"endHours":16.076687476688036,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.076687476688036,"endHours":17.076687476688036,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.076687476688036,"endHours":18.076687476688036,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.076687476688036,"endHours":19.076687476688036,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.076687476688036,"endHours":20.076687476688036,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.076687476688036,"endHours":21.076687476688036,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.076687476688036,"endHours":22.076687476688036,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.076687476688036,"endHours":23.076687476688036,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.076687476688036,"endHours":24.076687476688036,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.076687476688036,"endHours":25.076687476688036,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.076687476688036,"endHours":26.076687476688036,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.076687476688036,"endHours":27.076687476688036,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.076687476688036,"endHours":28.076687476688036,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.076687476688036,"endHours":29.076687476688036,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.076687476688036,"endHours":30.076687476688036,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.99787556728455,"eotMinutes":3.7375796796685163,"ayanamsa":23.5507}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 12, 1978 CE · Thane, Maharashtra · Vidhyamitra","description":"May 12, 1978 CE for Thane, Maharashtra: Śukla Pañcamī, sūryodaya 06:05, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1978-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1978-05-12","sa":"https://sa.vidhyamitra.com/city/thane/1978-05-12","hi":"https://hi.vidhyamitra.com/city/thane/1978-05-12","x-default":"https://vidhyamitra.com/city/thane/1978-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:58:37.212Z","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":"2026-05-31T16:58:37.212Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:58:37.212Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}