{"id":"vidhyamitra:city-day:erode:2073-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2073-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2073-05-21","date_display":"May 21, 2073 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":2073,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478348.770833,"kali_year":5175,"ahargana":1889883.2708,"sun":{"sidereal_longitude":35.5378,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":211.8313,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.2935,"elapsed_within_tithi_degrees":8.2935},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.8313,"elapsed_within_degrees":11.8313},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.3692},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2073,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2478348.770833,"ahargana":1889883.2708,"kali_year":5175,"ayanamsa_lahiri":24.8781,"grahas":{"sun":{"sidereal_longitude":35.76150899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":210.60490900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.4936},"mars":{"sidereal_longitude":3.5926089999999817,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":55.83270900000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":74.588209,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":348.79780900000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":205.81450900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":124.8896,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":304.8896,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2073,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478348.770833,"kali_year":5175,"ahargana":1889883.2708,"sun":{"sidereal_longitude":35.5378,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":211.8313,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.2935,"elapsed_within_tithi_degrees":8.2935},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.8313,"elapsed_within_degrees":11.8313},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.3692},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.494,"elongation":176.294},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.494,"opposition_distance":3.706}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:55","sunsetLocal":"18:36","solarNoonLocal":"12:16","dayLengthHours":12.687928182133248,"dayLengthDisplay":"12 Hours 41 Mins 17 Secs","nightLengthDisplay":"11 Hours 18 Mins 43 Secs","moonriseLocal":"18:08","moonsetLocal":"05:42","rahuKala":{"name":"Rāhu Kāla","start":"17:01","end":"18:36","startHours":17.017836105258667,"endHours":18.603827128025323,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:51","startHours":12.259863036958699,"endHours":13.845854059725355,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:26","end":"17:01","startHours":15.43184508249201,"endHours":17.017836105258667,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.876415521723166,"endHours":9.299346461127607,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.444562620147626,"endHours":6.782907371671179,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:41","startHours":11.836932097554257,"endHours":12.68279397636314,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:04","startHours":4.224175188274308,"endHours":5.070037067083192,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:55","startHours":4.858571597380971,"endHours":5.915898945892074,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.374517733980905,"endHours":15.220379612789788,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.403827128025323,"endHours":18.803827128025322,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:08","startHours":18.603827128025323,"endHours":19.132490802280874,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.353827128025323,"endHours":20.103827128025323,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:41","startHours":23.836932097554257,"endHours":24.68279397636314,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:55","end":"07:30","startHours":5.915898945892074,"endHours":7.50188996865873,"quality":"inauspicious"},{"name":"Chala","start":"07:30","end":"09:05","startHours":7.50188996865873,"endHours":9.087880991425386,"quality":"neutral"},{"name":"Labha","start":"09:05","end":"10:40","startHours":9.087880991425386,"endHours":10.673872014192042,"quality":"auspicious"},{"name":"Amṛta","start":"10:40","end":"12:16","startHours":10.673872014192042,"endHours":12.259863036958699,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:51","startHours":12.259863036958699,"endHours":13.845854059725355,"quality":"inauspicious"},{"name":"Śubha","start":"13:51","end":"15:26","startHours":13.845854059725355,"endHours":15.43184508249201,"quality":"auspicious"},{"name":"Roga","start":"15:26","end":"17:01","startHours":15.43184508249201,"endHours":17.017836105258667,"quality":"inauspicious"},{"name":"Udveg","start":"17:01","end":"18:36","startHours":17.017836105258667,"endHours":18.603827128025323,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:36","end":"20:01","startHours":18.603827128025323,"endHours":20.017836105258667,"quality":"auspicious"},{"name":"Roga","start":"20:01","end":"21:26","startHours":20.017836105258667,"endHours":21.43184508249201,"quality":"inauspicious"},{"name":"Udveg","start":"21:26","end":"22:51","startHours":21.43184508249201,"endHours":22.845854059725355,"quality":"inauspicious"},{"name":"Chala","start":"22:51","end":"00:16","startHours":22.845854059725355,"endHours":24.2598630369587,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:40","startHours":24.2598630369587,"endHours":25.673872014192042,"quality":"auspicious"},{"name":"Amṛta","start":"01:40","end":"03:05","startHours":25.673872014192042,"endHours":27.087880991425386,"quality":"auspicious"},{"name":"Kāla","start":"03:05","end":"04:30","startHours":27.087880991425386,"endHours":28.50188996865873,"quality":"inauspicious"},{"name":"Śubha","start":"04:30","end":"05:55","startHours":28.50188996865873,"endHours":29.915898945892074,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.915898945892074,"endHours":6.915898945892074,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.915898945892074,"endHours":7.915898945892074,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.915898945892074,"endHours":8.915898945892074,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.915898945892074,"endHours":9.915898945892074,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.915898945892074,"endHours":10.915898945892074,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.915898945892074,"endHours":11.915898945892074,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.915898945892074,"endHours":12.915898945892074,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.915898945892074,"endHours":13.915898945892074,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.915898945892074,"endHours":14.915898945892074,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.915898945892074,"endHours":15.915898945892074,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.915898945892074,"endHours":16.915898945892074,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.915898945892074,"endHours":17.915898945892074,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.915898945892074,"endHours":18.915898945892074,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.915898945892074,"endHours":19.915898945892074,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.915898945892074,"endHours":20.915898945892074,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.915898945892074,"endHours":21.915898945892074,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.915898945892074,"endHours":22.915898945892074,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.915898945892074,"endHours":23.915898945892074,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.915898945892074,"endHours":24.915898945892074,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.915898945892074,"endHours":25.915898945892074,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.915898945892074,"endHours":26.915898945892074,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.915898945892074,"endHours":27.915898945892074,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.915898945892074,"endHours":28.915898945892074,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.915898945892074,"endHours":29.915898945892074,"planetary_lord":"Jupiter"}],"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","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.282239395513443,"eotMinutes":3.539417782478063,"ayanamsa":24.8781}},"calendars":{"vikram_samvat":2130,"vikram_samvatsara":"Parābhava","saka_samvat":1995,"saka_samvatsara":"Vijaya","bengali_samvat":1480,"malayalam_era":1249,"nanakshahi_year":604,"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 Pūrṇimā · Vikram 2130 Parābhava · Śaka 1995 Vijaya"},"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":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 21, 2073 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 21, 2073 CE for Erode, Tamil Nadu: Śukla Pūrṇimā, sūryodaya 05:55, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2073-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2073-05-21","sa":"https://sa.vidhyamitra.com/city/erode/2073-05-21","hi":"https://hi.vidhyamitra.com/city/erode/2073-05-21","x-default":"https://vidhyamitra.com/city/erode/2073-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:20:05.895Z","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":"2026-06-02T04:20:05.895Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:20:05.895Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}