{"id":"vidhyamitra:city-day:thane:1990-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1990-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-05-09","date_display":"May 9, 1990 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":1990,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448020.770833,"kali_year":5092,"ahargana":1859555.2708,"sun":{"sidereal_longitude":24.4917,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":196.5802,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.0884,"elapsed_within_tithi_degrees":4.0884},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.5802,"elapsed_within_degrees":9.9135},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.0719},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1990,"month":5,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448020.770833,"ahargana":1859555.2708,"kali_year":5092,"ayanamsa_lahiri":23.7182,"grahas":{"sun":{"sidereal_longitude":24.45056199999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":196.08846199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":-4.4812},"mars":{"sidereal_longitude":319.9120620000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":16.733762000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":74.71826199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":341.928162,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":271.38326200000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":291.8129,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.8129,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448020.770833,"kali_year":5092,"ahargana":1859555.2708,"sun":{"sidereal_longitude":24.4917,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":196.5802,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.0884,"elapsed_within_tithi_degrees":4.0884},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.5802,"elapsed_within_degrees":9.9135},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.0719},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.481,"elongation":172.088},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.481,"opposition_distance":7.912}},"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":"06:06","sunsetLocal":"19:03","solarNoonLocal":"12:34","dayLengthHours":12.951947293526604,"dayLengthDisplay":"12 Hours 57 Mins 07 Secs","nightLengthDisplay":"11 Hours 02 Mins 53 Secs","moonriseLocal":"18:20","moonsetLocal":"05:43","rahuKala":{"name":"Rāhu Kāla","start":"12:34","end":"14:12","startHours":12.57426902559423,"endHours":14.193262437285057,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:43","end":"09:20","startHours":7.717288790521755,"endHours":9.33628220221258,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:57","end":"12:34","startHours":10.955275613903407,"endHours":12.57426902559423,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:33","startHours":9.120416413987137,"endHours":9.552147990438023,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:59","startHours":6.637959849394537,"endHours":6.983345110555247,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"13:00","startHours":12.142537449143346,"endHours":13.006000602045118,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:14","startHours":4.371369073027381,"endHours":5.234832225929155,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:06","startHours":5.018966437703711,"endHours":6.098295378830929,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:36","startHours":14.732926907848665,"endHours":15.596390060750439,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.850242672357535,"endHours":19.250242672357533,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:35","startHours":19.050242672357534,"endHours":19.58990714292114,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.800242672357534,"endHours":20.550242672357534,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"01:00","startHours":24.142537449143347,"endHours":25.00600060204512,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:06","end":"07:43","startHours":6.098295378830929,"endHours":7.717288790521755,"quality":"auspicious"},{"name":"Amṛta","start":"07:43","end":"09:20","startHours":7.717288790521755,"endHours":9.33628220221258,"quality":"auspicious"},{"name":"Kāla","start":"09:20","end":"10:57","startHours":9.33628220221258,"endHours":10.955275613903407,"quality":"inauspicious"},{"name":"Śubha","start":"10:57","end":"12:34","startHours":10.955275613903407,"endHours":12.57426902559423,"quality":"auspicious"},{"name":"Roga","start":"12:34","end":"14:12","startHours":12.57426902559423,"endHours":14.193262437285057,"quality":"inauspicious"},{"name":"Udveg","start":"14:12","end":"15:49","startHours":14.193262437285057,"endHours":15.812255848975884,"quality":"inauspicious"},{"name":"Chala","start":"15:49","end":"17:26","startHours":15.812255848975884,"endHours":17.431249260666707,"quality":"neutral"},{"name":"Labha","start":"17:26","end":"19:03","startHours":17.431249260666707,"endHours":19.050242672357534,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:03","end":"20:26","startHours":19.050242672357534,"endHours":20.431249260666707,"quality":"inauspicious"},{"name":"Chala","start":"20:26","end":"21:49","startHours":20.431249260666707,"endHours":21.812255848975884,"quality":"neutral"},{"name":"Labha","start":"21:49","end":"23:12","startHours":21.812255848975884,"endHours":23.193262437285057,"quality":"auspicious"},{"name":"Amṛta","start":"23:12","end":"00:34","startHours":23.193262437285057,"endHours":24.574269025594234,"quality":"auspicious"},{"name":"Kāla","start":"00:34","end":"01:57","startHours":24.574269025594234,"endHours":25.955275613903407,"quality":"inauspicious"},{"name":"Śubha","start":"01:57","end":"03:20","startHours":25.955275613903407,"endHours":27.33628220221258,"quality":"auspicious"},{"name":"Roga","start":"03:20","end":"04:43","startHours":27.33628220221258,"endHours":28.717288790521756,"quality":"inauspicious"},{"name":"Udveg","start":"04:43","end":"06:06","startHours":28.717288790521756,"endHours":30.09829537883093,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.098295378830929,"endHours":7.098295378830929,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.098295378830929,"endHours":8.09829537883093,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.09829537883093,"endHours":9.09829537883093,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.09829537883093,"endHours":10.09829537883093,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.09829537883093,"endHours":11.09829537883093,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.09829537883093,"endHours":12.09829537883093,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.09829537883093,"endHours":13.09829537883093,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.09829537883093,"endHours":14.09829537883093,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.09829537883093,"endHours":15.09829537883093,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.09829537883093,"endHours":16.09829537883093,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.09829537883093,"endHours":17.09829537883093,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.09829537883093,"endHours":18.09829537883093,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.09829537883093,"endHours":19.09829537883093,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.09829537883093,"endHours":20.09829537883093,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.09829537883093,"endHours":21.09829537883093,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.09829537883093,"endHours":22.09829537883093,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.09829537883093,"endHours":23.09829537883093,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.09829537883093,"endHours":24.09829537883093,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.09829537883093,"endHours":25.09829537883093,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.09829537883093,"endHours":26.09829537883093,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.09829537883093,"endHours":27.09829537883093,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.09829537883093,"endHours":28.09829537883093,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.09829537883093,"endHours":29.09829537883093,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.09829537883093,"endHours":30.09829537883093,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","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":17.238832399094644,"eotMinutes":3.631458464346112,"ayanamsa":23.7182}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"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 Pūrṇimā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","historical_anchor":{"event":"Bhagavān Buddha's birth at Lumbinī","date_julian":"-0562-04-11","location":"Lumbinī, Nepal"},"sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"id":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 9, 1990 CE · Thane, Maharashtra · Vidhyamitra","description":"May 9, 1990 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:06, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1990-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1990-05-09","sa":"https://sa.vidhyamitra.com/city/thane/1990-05-09","hi":"https://hi.vidhyamitra.com/city/thane/1990-05-09","x-default":"https://vidhyamitra.com/city/thane/1990-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:26:54.626Z","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":"2026-06-02T10:26:54.626Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:26:54.626Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}