{"id":"vidhyamitra:city-day:erode:1978-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1978-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-12-22","date_display":"December 22, 1978 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":1978,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443864.770833,"kali_year":5080,"ahargana":1855399.2708,"sun":{"sidereal_longitude":245.9942,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":151.703,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.7088,"elapsed_within_tithi_degrees":1.7088},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.703,"elapsed_within_degrees":5.0363},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.6972},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1978,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443864.770833,"ahargana":1855399.2708,"kali_year":5080,"ayanamsa_lahiri":23.5593,"grahas":{"sun":{"sidereal_longitude":246.26845200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":148.54265199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-0.0247},"mars":{"sidereal_longitude":253.797052,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":224.79855199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":104.07005200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":203.28235199999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":140.25035200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":152.0178,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.0178,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1978,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443864.770833,"kali_year":5080,"ahargana":1855399.2708,"sun":{"sidereal_longitude":245.9942,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":151.703,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.7088,"elapsed_within_tithi_degrees":1.7088},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.703,"elapsed_within_degrees":5.0363},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.6972},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.025,"elongation":94.291},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.025,"opposition_distance":85.709}},"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":"06:34","sunsetLocal":"18:02","solarNoonLocal":"12:18","dayLengthHours":11.458811122697362,"dayLengthDisplay":"11 Hours 27 Mins 32 Secs","nightLengthDisplay":"12 Hours 32 Mins 28 Secs","moonriseLocal":"23:42","moonsetLocal":"11:52","rahuKala":{"name":"Rāhu Kāla","start":"10:52","end":"12:18","startHours":10.871285158004156,"endHours":12.303636548341327,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:10","end":"16:36","startHours":15.168339329015668,"endHours":16.600690719352837,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:00","end":"09:26","startHours":8.006582377329817,"endHours":9.438933767666986,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:38","startHours":9.247953582288698,"endHours":9.629913953045275,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.05168145043837,"endHours":7.357249747043633,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:41","startHours":11.921676177584748,"endHours":12.685596919097906,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:49","startHours":5.046389503966331,"endHours":5.810310245479489,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.619330060101199,"endHours":6.574230986992646,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"14:59","startHours":14.21343840212422,"endHours":14.977359143637377,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.83304210969001,"endHours":18.233042109690007,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.033042109690008,"endHours":18.510492573135732,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.783042109690008,"endHours":19.533042109690008,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:41","startHours":23.921676177584747,"endHours":24.685596919097907,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:34","end":"08:00","startHours":6.574230986992646,"endHours":8.006582377329817,"quality":"neutral"},{"name":"Labha","start":"08:00","end":"09:26","startHours":8.006582377329817,"endHours":9.438933767666986,"quality":"auspicious"},{"name":"Amṛta","start":"09:26","end":"10:52","startHours":9.438933767666986,"endHours":10.871285158004156,"quality":"auspicious"},{"name":"Kāla","start":"10:52","end":"12:18","startHours":10.871285158004156,"endHours":12.303636548341327,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:44","startHours":12.303636548341327,"endHours":13.735987938678498,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:10","startHours":13.735987938678498,"endHours":15.168339329015668,"quality":"inauspicious"},{"name":"Udveg","start":"15:10","end":"16:36","startHours":15.168339329015668,"endHours":16.600690719352837,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"18:02","startHours":16.600690719352837,"endHours":18.033042109690008,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:02","end":"19:36","startHours":18.033042109690008,"endHours":19.600690719352837,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:10","startHours":19.600690719352837,"endHours":21.168339329015666,"quality":"inauspicious"},{"name":"Chala","start":"21:10","end":"22:44","startHours":21.168339329015666,"endHours":22.735987938678498,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:18","startHours":22.735987938678498,"endHours":24.303636548341327,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:52","startHours":24.303636548341327,"endHours":25.871285158004156,"quality":"auspicious"},{"name":"Kāla","start":"01:52","end":"03:26","startHours":25.871285158004156,"endHours":27.438933767666988,"quality":"inauspicious"},{"name":"Śubha","start":"03:26","end":"05:00","startHours":27.438933767666988,"endHours":29.006582377329817,"quality":"auspicious"},{"name":"Roga","start":"05:00","end":"06:34","startHours":29.006582377329817,"endHours":30.574230986992646,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.574230986992646,"endHours":7.574230986992646,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.574230986992646,"endHours":8.574230986992646,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.574230986992646,"endHours":9.574230986992646,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.574230986992646,"endHours":10.574230986992646,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.574230986992646,"endHours":11.574230986992646,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.574230986992646,"endHours":12.574230986992646,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.574230986992646,"endHours":13.574230986992646,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.574230986992646,"endHours":14.574230986992646,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.574230986992646,"endHours":15.574230986992646,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.574230986992646,"endHours":16.574230986992646,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.574230986992646,"endHours":17.574230986992646,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.574230986992646,"endHours":18.574230986992646,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.574230986992646,"endHours":19.574230986992646,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.574230986992646,"endHours":20.574230986992646,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.574230986992646,"endHours":21.574230986992646,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.574230986992646,"endHours":22.574230986992646,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.574230986992646,"endHours":23.574230986992646,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.574230986992646,"endHours":24.574230986992646,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.574230986992646,"endHours":25.574230986992646,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.574230986992646,"endHours":26.574230986992646,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.574230986992646,"endHours":27.574230986992646,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.574230986992646,"endHours":28.574230986992646,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.574230986992646,"endHours":29.574230986992646,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.574230986992646,"endHours":30.574230986992646,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.436387762103134,"eotMinutes":0.9130070995203906,"ayanamsa":23.5593}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 December 22, 1978 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 22, 1978 CE for Erode, Tamil Nadu: Kṛṣṇa Aṣṭamī, sūryodaya 06:34, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1978-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1978-12-22","sa":"https://sa.vidhyamitra.com/city/erode/1978-12-22","hi":"https://hi.vidhyamitra.com/city/erode/1978-12-22","x-default":"https://vidhyamitra.com/city/erode/1978-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T18:54:54.791Z","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":"2026-05-18T18:54:54.791Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T18:54:54.791Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}