{"id":"vidhyamitra:city-day:erode:1990-12-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1990-12-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-24","date_display":"December 24, 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":12,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448249.770833,"kali_year":5092,"ahargana":1859784.2708,"sun":{"sidereal_longitude":247.9411,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":328.5498,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.6087,"elapsed_within_tithi_degrees":8.6087},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.5498,"elapsed_within_degrees":8.5498},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.491},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1990,"month":12,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448249.770833,"ahargana":1859784.2708,"kali_year":5092,"ayanamsa_lahiri":23.727,"grahas":{"sun":{"sidereal_longitude":248.22731199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":324.941012,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":3.388},"mars":{"sidereal_longitude":34.68781200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":249.00681200000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":108.84641199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":261.163412,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":270.8519120000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":279.6794,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.6794,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":12,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448249.770833,"kali_year":5092,"ahargana":1859784.2708,"sun":{"sidereal_longitude":247.9411,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":328.5498,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.6087,"elapsed_within_tithi_degrees":8.6087},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.5498,"elapsed_within_degrees":8.5498},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":216.491},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.388,"elongation":80.609},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.388,"opposition_distance":99.391}},"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":"06:35","sunsetLocal":"18:03","solarNoonLocal":"12:19","dayLengthHours":11.459254148114155,"dayLengthDisplay":"11 Hours 27 Mins 33 Secs","nightLengthDisplay":"12 Hours 32 Mins 27 Secs","moonriseLocal":"11:27","moonsetLocal":"23:25","rahuKala":{"name":"Rāhu Kāla","start":"08:01","end":"09:27","startHours":8.02205763119078,"endHours":9.45446439970505,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:19","startHours":10.886871168219319,"endHours":12.319277936733588,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:45","end":"15:11","startHours":13.751684705247857,"endHours":15.184091473762127,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:39","startHours":9.263476830569813,"endHours":9.645451968840284,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:22","startHours":7.067119785514599,"endHours":7.372699896130976,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:42","startHours":11.937302798463117,"endHours":12.70125307500406,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:50","startHours":5.061750309594622,"endHours":5.825700586135566,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:35","startHours":5.63471301700033,"endHours":6.58965086267651,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:00","startHours":14.229153628085946,"endHours":14.99310390462689,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.848905010790666,"endHours":18.248905010790665,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:32","startHours":18.048905010790666,"endHours":18.526373933628754,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.798905010790666,"endHours":19.548905010790666,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:42","startHours":23.937302798463115,"endHours":24.70125307500406,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:35","end":"08:01","startHours":6.58965086267651,"endHours":8.02205763119078,"quality":"auspicious"},{"name":"Kāla","start":"08:01","end":"09:27","startHours":8.02205763119078,"endHours":9.45446439970505,"quality":"inauspicious"},{"name":"Śubha","start":"09:27","end":"10:53","startHours":9.45446439970505,"endHours":10.886871168219319,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:19","startHours":10.886871168219319,"endHours":12.319277936733588,"quality":"inauspicious"},{"name":"Udveg","start":"12:19","end":"13:45","startHours":12.319277936733588,"endHours":13.751684705247857,"quality":"inauspicious"},{"name":"Chala","start":"13:45","end":"15:11","startHours":13.751684705247857,"endHours":15.184091473762127,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:37","startHours":15.184091473762127,"endHours":16.616498242276396,"quality":"auspicious"},{"name":"Amṛta","start":"16:37","end":"18:03","startHours":16.616498242276396,"endHours":18.048905010790666,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:03","end":"19:37","startHours":18.048905010790666,"endHours":19.616498242276396,"quality":"neutral"},{"name":"Labha","start":"19:37","end":"21:11","startHours":19.616498242276396,"endHours":21.184091473762127,"quality":"auspicious"},{"name":"Amṛta","start":"21:11","end":"22:45","startHours":21.184091473762127,"endHours":22.751684705247857,"quality":"auspicious"},{"name":"Kāla","start":"22:45","end":"00:19","startHours":22.751684705247857,"endHours":24.319277936733588,"quality":"inauspicious"},{"name":"Śubha","start":"00:19","end":"01:53","startHours":24.319277936733588,"endHours":25.88687116821932,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:27","startHours":25.88687116821932,"endHours":27.45446439970505,"quality":"inauspicious"},{"name":"Udveg","start":"03:27","end":"05:01","startHours":27.45446439970505,"endHours":29.02205763119078,"quality":"inauspicious"},{"name":"Chala","start":"05:01","end":"06:35","startHours":29.02205763119078,"endHours":30.58965086267651,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.58965086267651,"endHours":7.58965086267651,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.58965086267651,"endHours":8.58965086267651,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.58965086267651,"endHours":9.58965086267651,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.58965086267651,"endHours":10.58965086267651,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.58965086267651,"endHours":11.58965086267651,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.58965086267651,"endHours":12.58965086267651,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.58965086267651,"endHours":13.58965086267651,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.58965086267651,"endHours":14.58965086267651,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.58965086267651,"endHours":15.58965086267651,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.58965086267651,"endHours":16.58965086267651,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.58965086267651,"endHours":17.58965086267651,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.58965086267651,"endHours":18.58965086267651,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.58965086267651,"endHours":19.58965086267651,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.58965086267651,"endHours":20.58965086267651,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.58965086267651,"endHours":21.58965086267651,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.58965086267651,"endHours":22.58965086267651,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.58965086267651,"endHours":23.58965086267651,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.58965086267651,"endHours":24.58965086267651,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.58965086267651,"endHours":25.58965086267651,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.58965086267651,"endHours":26.58965086267651,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.58965086267651,"endHours":27.58965086267651,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.58965086267651,"endHours":28.58965086267651,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.58965086267651,"endHours":29.58965086267651,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.58965086267651,"endHours":30.58965086267651,"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.422053800170993,"eotMinutes":-0.025476204015291604,"ayanamsa":23.727}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 December 24, 1990 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 24, 1990 CE for Erode, Tamil Nadu: Śukla Saptamī, sūryodaya 06:35, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1990-12-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1990-12-24","sa":"https://sa.vidhyamitra.com/city/erode/1990-12-24","hi":"https://hi.vidhyamitra.com/city/erode/1990-12-24","x-default":"https://vidhyamitra.com/city/erode/1990-12-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T00:45:33.275Z","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":"2026-05-18T00:45:33.275Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T00:45:33.275Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}