{"id":"vidhyamitra:city-day:thane:2120-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2120-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2120-05-13","date_display":"May 13, 2120 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":2120,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495506.770833,"kali_year":5222,"ahargana":1907041.2708,"sun":{"sidereal_longitude":26.7608,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":201.1283,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.3675,"elapsed_within_tithi_degrees":6.3675},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.1283,"elapsed_within_degrees":1.1283},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.8891},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2120,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495506.770833,"ahargana":1907041.2708,"kali_year":5222,"ayanamsa_lahiri":25.5344,"grahas":{"sun":{"sidereal_longitude":27.03924699999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":202.62304700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":-4.4852},"mars":{"sidereal_longitude":353.279147,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":46.77164700000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":60.37264700000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":26.419547000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":52.75254699999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":295.7761,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":115.7761,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2120,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495506.770833,"kali_year":5222,"ahargana":1907041.2708,"sun":{"sidereal_longitude":26.7608,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":201.1283,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.3675,"elapsed_within_tithi_degrees":6.3675},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.1283,"elapsed_within_degrees":1.1283},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.8891},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.485,"elongation":174.368},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.485,"opposition_distance":5.632}},"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":"06:04","sunsetLocal":"19:05","solarNoonLocal":"12:34","dayLengthHours":13.013455650649991,"dayLengthDisplay":"13 Hours 00 Mins 48 Secs","nightLengthDisplay":"10 Hours 59 Mins 12 Secs","moonriseLocal":"18:39","moonsetLocal":"05:54","rahuKala":{"name":"Rāhu Kāla","start":"07:42","end":"09:19","startHours":7.6921901519469795,"endHours":9.318872108278228,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:57","end":"12:34","startHours":10.945554064609478,"endHours":12.572236020940727,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:12","end":"15:50","startHours":14.198917977271975,"endHours":15.825599933603225,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:32","startHours":9.101981180767396,"endHours":9.535763035789062,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:57","startHours":6.6077355143928145,"endHours":6.954760998410148,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"13:00","startHours":12.138454165919061,"endHours":13.006017875962392,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:12","startHours":4.330380775529066,"endHours":5.197944485572398,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:04","startHours":4.981053558061565,"endHours":6.065508195615731,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:37","startHours":14.741145296049059,"endHours":15.608709006092392,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:53","end":"19:17","startHours":18.878963846265723,"endHours":19.27896384626572,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:05","end":"19:37","startHours":19.078963846265722,"endHours":19.621191165042806,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:50","end":"20:35","startHours":18.828963846265722,"endHours":20.578963846265722,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"01:00","startHours":24.13845416591906,"endHours":25.006017875962396,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:04","end":"07:42","startHours":6.065508195615731,"endHours":7.6921901519469795,"quality":"auspicious"},{"name":"Kāla","start":"07:42","end":"09:19","startHours":7.6921901519469795,"endHours":9.318872108278228,"quality":"inauspicious"},{"name":"Śubha","start":"09:19","end":"10:57","startHours":9.318872108278228,"endHours":10.945554064609478,"quality":"auspicious"},{"name":"Roga","start":"10:57","end":"12:34","startHours":10.945554064609478,"endHours":12.572236020940727,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"14:12","startHours":12.572236020940727,"endHours":14.198917977271975,"quality":"inauspicious"},{"name":"Chala","start":"14:12","end":"15:50","startHours":14.198917977271975,"endHours":15.825599933603225,"quality":"neutral"},{"name":"Labha","start":"15:50","end":"17:27","startHours":15.825599933603225,"endHours":17.452281889934476,"quality":"auspicious"},{"name":"Amṛta","start":"17:27","end":"19:05","startHours":17.452281889934476,"endHours":19.078963846265722,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:05","end":"20:27","startHours":19.078963846265722,"endHours":20.452281889934472,"quality":"neutral"},{"name":"Labha","start":"20:27","end":"21:50","startHours":20.452281889934472,"endHours":21.825599933603225,"quality":"auspicious"},{"name":"Amṛta","start":"21:50","end":"23:12","startHours":21.825599933603225,"endHours":23.198917977271975,"quality":"auspicious"},{"name":"Kāla","start":"23:12","end":"00:34","startHours":23.198917977271975,"endHours":24.57223602094073,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"01:57","startHours":24.57223602094073,"endHours":25.945554064609478,"quality":"auspicious"},{"name":"Roga","start":"01:57","end":"03:19","startHours":25.945554064609478,"endHours":27.318872108278228,"quality":"inauspicious"},{"name":"Udveg","start":"03:19","end":"04:42","startHours":27.318872108278228,"endHours":28.69219015194698,"quality":"inauspicious"},{"name":"Chala","start":"04:42","end":"06:04","startHours":28.69219015194698,"endHours":30.06550819561573,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.065508195615731,"endHours":7.065508195615731,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.065508195615731,"endHours":8.065508195615731,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.065508195615731,"endHours":9.065508195615731,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.065508195615731,"endHours":10.065508195615731,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.065508195615731,"endHours":11.065508195615731,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.065508195615731,"endHours":12.065508195615731,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.065508195615731,"endHours":13.065508195615731,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.065508195615731,"endHours":14.065508195615731,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.065508195615731,"endHours":15.065508195615731,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.065508195615731,"endHours":16.06550819561573,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.06550819561573,"endHours":17.06550819561573,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.06550819561573,"endHours":18.06550819561573,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.06550819561573,"endHours":19.06550819561573,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.06550819561573,"endHours":20.06550819561573,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.06550819561573,"endHours":21.06550819561573,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.06550819561573,"endHours":22.06550819561573,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.06550819561573,"endHours":23.06550819561573,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.06550819561573,"endHours":24.06550819561573,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.06550819561573,"endHours":25.06550819561573,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.06550819561573,"endHours":26.06550819561573,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.06550819561573,"endHours":27.06550819561573,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.06550819561573,"endHours":28.06550819561573,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.06550819561573,"endHours":29.06550819561573,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.06550819561573,"endHours":30.06550819561573,"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":18.412336713423333,"eotMinutes":3.7534387435564067,"ayanamsa":25.5344}},"calendars":{"vikram_samvat":2177,"vikram_samvatsara":"Vijaya","saka_samvat":2042,"saka_samvatsara":"Vikrama","bengali_samvat":1527,"malayalam_era":1296,"nanakshahi_year":651,"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 2177 Vijaya · Śaka 2042 Vikrama"},"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 13, 2120 CE · Thane, Maharashtra · Vidhyamitra","description":"May 13, 2120 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:04, sūryāsta 19:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2120-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2120-05-13","sa":"https://sa.vidhyamitra.com/city/thane/2120-05-13","hi":"https://hi.vidhyamitra.com/city/thane/2120-05-13","x-default":"https://vidhyamitra.com/city/thane/2120-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:37:34.513Z","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":"2026-06-02T02:37:34.513Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:37:34.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}