{"id":"vidhyamitra:city-day:thane:1998-05-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1998-05-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-05-11","date_display":"May 11, 1998 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":1998,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450944.770833,"kali_year":5100,"ahargana":1862479.2708,"sun":{"sidereal_longitude":26.3462,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":200.2495,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.9032,"elapsed_within_tithi_degrees":5.9032},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.2495,"elapsed_within_degrees":0.2495},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.5957},"karana":{"half_tithi_index":28,"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":1998,"month":5,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450944.770833,"ahargana":1862479.2708,"kali_year":5100,"ayanamsa_lahiri":23.83,"grahas":{"sun":{"sidereal_longitude":26.334843999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":200.093844,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.0216},"mars":{"sidereal_longitude":26.815144000000032,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":0.6064440000000104,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":327.55414399999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":344.411644,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":2.9319439999999872,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":136.8854,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":316.8854,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450944.770833,"kali_year":5100,"ahargana":1862479.2708,"sun":{"sidereal_longitude":26.3462,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":200.2495,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.9032,"elapsed_within_tithi_degrees":5.9032},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.2495,"elapsed_within_degrees":0.2495},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.5957},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.022,"elongation":173.903},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.022,"opposition_distance":6.097}},"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":12.980361387032742,"dayLengthDisplay":"12 Hours 58 Mins 49 Secs","nightLengthDisplay":"11 Hours 01 Mins 11 Secs","moonriseLocal":"18:30","moonsetLocal":"05:49","rahuKala":{"name":"Rāhu Kāla","start":"07:42","end":"09:20","startHours":7.705291318797578,"endHours":9.32783649217667,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:57","end":"12:34","startHours":10.950381665555764,"endHours":12.572926838934855,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:12","end":"15:49","startHours":14.195472012313948,"endHours":15.81801718569304,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:33","startHours":9.111497135726125,"endHours":9.544175848627216,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:58","startHours":6.623594536544848,"endHours":6.969737506865721,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"13:00","startHours":12.140248126033763,"endHours":13.005605551835947,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:13","startHours":4.352031293814119,"endHours":5.217388719616302,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"06:05","startHours":5.001049363165756,"endHours":6.082746145418485,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:36","startHours":14.736320403440311,"endHours":15.601677829242494,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.863107532451227,"endHours":19.263107532451226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:36","startHours":19.063107532451227,"endHours":19.60395592357759,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.813107532451227,"endHours":20.563107532451227,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"01:00","startHours":24.140248126033764,"endHours":25.005605551835945,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:05","end":"07:42","startHours":6.082746145418485,"endHours":7.705291318797578,"quality":"auspicious"},{"name":"Kāla","start":"07:42","end":"09:20","startHours":7.705291318797578,"endHours":9.32783649217667,"quality":"inauspicious"},{"name":"Śubha","start":"09:20","end":"10:57","startHours":9.32783649217667,"endHours":10.950381665555764,"quality":"auspicious"},{"name":"Roga","start":"10:57","end":"12:34","startHours":10.950381665555764,"endHours":12.572926838934855,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"14:12","startHours":12.572926838934855,"endHours":14.195472012313948,"quality":"inauspicious"},{"name":"Chala","start":"14:12","end":"15:49","startHours":14.195472012313948,"endHours":15.81801718569304,"quality":"neutral"},{"name":"Labha","start":"15:49","end":"17:26","startHours":15.81801718569304,"endHours":17.440562359072132,"quality":"auspicious"},{"name":"Amṛta","start":"17:26","end":"19:04","startHours":17.440562359072132,"endHours":19.063107532451227,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:04","end":"20:26","startHours":19.063107532451227,"endHours":20.440562359072135,"quality":"neutral"},{"name":"Labha","start":"20:26","end":"21:49","startHours":20.440562359072135,"endHours":21.81801718569304,"quality":"auspicious"},{"name":"Amṛta","start":"21:49","end":"23:12","startHours":21.81801718569304,"endHours":23.19547201231395,"quality":"auspicious"},{"name":"Kāla","start":"23:12","end":"00:34","startHours":23.19547201231395,"endHours":24.572926838934855,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"01:57","startHours":24.572926838934855,"endHours":25.950381665555764,"quality":"auspicious"},{"name":"Roga","start":"01:57","end":"03:20","startHours":25.950381665555764,"endHours":27.327836492176672,"quality":"inauspicious"},{"name":"Udveg","start":"03:20","end":"04:42","startHours":27.327836492176672,"endHours":28.705291318797578,"quality":"inauspicious"},{"name":"Chala","start":"04:42","end":"06:05","startHours":28.705291318797578,"endHours":30.082746145418483,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.082746145418485,"endHours":7.082746145418485,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.082746145418485,"endHours":8.082746145418485,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.082746145418485,"endHours":9.082746145418485,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.082746145418485,"endHours":10.082746145418485,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.082746145418485,"endHours":11.082746145418485,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.082746145418485,"endHours":12.082746145418485,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.082746145418485,"endHours":13.082746145418485,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.082746145418485,"endHours":14.082746145418485,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.082746145418485,"endHours":15.082746145418485,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.082746145418485,"endHours":16.082746145418483,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.082746145418483,"endHours":17.082746145418483,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.082746145418483,"endHours":18.082746145418483,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.082746145418483,"endHours":19.082746145418483,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.082746145418483,"endHours":20.082746145418483,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.082746145418483,"endHours":21.082746145418483,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.082746145418483,"endHours":22.082746145418483,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.082746145418483,"endHours":23.082746145418483,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.082746145418483,"endHours":24.082746145418483,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.082746145418483,"endHours":25.082746145418483,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.082746145418483,"endHours":26.082746145418483,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.082746145418483,"endHours":27.082746145418483,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.082746145418483,"endHours":28.082746145418483,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.082746145418483,"endHours":29.082746145418483,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.082746145418483,"endHours":30.082746145418483,"planetary_lord":"Venus"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":17.783134501701397,"eotMinutes":3.71198966390865,"ayanamsa":23.83}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"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 2055 Khara · Śaka 1920 Bahudhānya"},"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā + Viśākhā","url":"/day/-0562-04-11","relevance":1},{"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}]},"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 11, 1998 CE · Thane, Maharashtra · Vidhyamitra","description":"May 11, 1998 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:05, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1998-05-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1998-05-11","sa":"https://sa.vidhyamitra.com/city/thane/1998-05-11","hi":"https://hi.vidhyamitra.com/city/thane/1998-05-11","x-default":"https://vidhyamitra.com/city/thane/1998-05-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:42:00.644Z","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":"2026-05-31T21:42:00.644Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:42:00.644Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}