{"id":"vidhyamitra:city-day:erode:1985-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1985-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-01-01","date_display":"January 1, 1985 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":1985,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446066.770833,"kali_year":5086,"ahargana":1857601.2708,"sun":{"sidereal_longitude":256.7326,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":6.2792,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.5466,"elapsed_within_tithi_degrees":1.5466},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.2792,"elapsed_within_degrees":6.2792},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.0119},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1985,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446066.770833,"ahargana":1857601.2708,"kali_year":5086,"ayanamsa_lahiri":23.6435,"grahas":{"sun":{"sidereal_longitude":256.92851900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":6.541619000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-2.1845},"mars":{"sidereal_longitude":311.71461899999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":234.445519,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":268.73331900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":302.95881899999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":210.71191899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":35.3453,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":215.3453,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"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":1985,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446066.770833,"kali_year":5086,"ahargana":1857601.2708,"sun":{"sidereal_longitude":256.7326,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":6.2792,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.5466,"elapsed_within_tithi_degrees":1.5466},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.2792,"elapsed_within_degrees":6.2792},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.0119},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.184,"elongation":109.547},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.184,"opposition_distance":70.453}},"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":"06:39","sunsetLocal":"18:07","solarNoonLocal":"12:23","dayLengthHours":11.47178086446296,"dayLengthDisplay":"11 Hours 28 Mins 18 Secs","nightLengthDisplay":"12 Hours 31 Mins 42 Secs","moonriseLocal":"13:29","moonsetLocal":"01:53","rahuKala":{"name":"Rāhu Kāla","start":"15:15","end":"16:41","startHours":15.248551521505675,"endHours":16.682524129563546,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:31","end":"10:57","startHours":9.512661089274193,"endHours":10.946633697332064,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"13:49","startHours":12.380606305389934,"endHours":13.814578913447804,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:42","startHours":9.321464741533145,"endHours":9.703857437015243,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:26","startHours":7.1227067425110775,"endHours":7.428620898896757,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:46","startHours":11.998213609907836,"endHours":12.762999000872032,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:07","end":"05:53","startHours":5.115145091230059,"endHours":5.879930482194256,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:39","startHours":5.688734134453207,"endHours":6.644715873158454,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:03","startHours":14.292569782800427,"endHours":15.057355173764625,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.916496737621415,"endHours":18.316496737621414,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:36","startHours":18.116496737621414,"endHours":18.594487606974038,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.866496737621414,"endHours":19.616496737621414,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:46","startHours":23.998213609907832,"endHours":24.762999000872032,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:39","end":"08:05","startHours":6.644715873158454,"endHours":8.078688481216323,"quality":"inauspicious"},{"name":"Udveg","start":"08:05","end":"09:31","startHours":8.078688481216323,"endHours":9.512661089274193,"quality":"inauspicious"},{"name":"Chala","start":"09:31","end":"10:57","startHours":9.512661089274193,"endHours":10.946633697332064,"quality":"neutral"},{"name":"Labha","start":"10:57","end":"12:23","startHours":10.946633697332064,"endHours":12.380606305389934,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"13:49","startHours":12.380606305389934,"endHours":13.814578913447804,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:15","startHours":13.814578913447804,"endHours":15.248551521505675,"quality":"inauspicious"},{"name":"Śubha","start":"15:15","end":"16:41","startHours":15.248551521505675,"endHours":16.682524129563546,"quality":"auspicious"},{"name":"Roga","start":"16:41","end":"18:07","startHours":16.682524129563546,"endHours":18.116496737621414,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:07","end":"19:41","startHours":18.116496737621414,"endHours":19.682524129563543,"quality":"inauspicious"},{"name":"Śubha","start":"19:41","end":"21:15","startHours":19.682524129563543,"endHours":21.248551521505675,"quality":"auspicious"},{"name":"Roga","start":"21:15","end":"22:49","startHours":21.248551521505675,"endHours":22.814578913447804,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:23","startHours":22.814578913447804,"endHours":24.380606305389932,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"01:57","startHours":24.380606305389932,"endHours":25.946633697332064,"quality":"neutral"},{"name":"Labha","start":"01:57","end":"03:31","startHours":25.946633697332064,"endHours":27.512661089274193,"quality":"auspicious"},{"name":"Amṛta","start":"03:31","end":"05:05","startHours":27.512661089274193,"endHours":29.078688481216325,"quality":"auspicious"},{"name":"Kāla","start":"05:05","end":"06:39","startHours":29.078688481216325,"endHours":30.644715873158454,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.644715873158454,"endHours":7.644715873158454,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.644715873158454,"endHours":8.644715873158454,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.644715873158454,"endHours":9.644715873158454,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.644715873158454,"endHours":10.644715873158454,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.644715873158454,"endHours":11.644715873158454,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.644715873158454,"endHours":12.644715873158454,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.644715873158454,"endHours":13.644715873158454,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.644715873158454,"endHours":14.644715873158454,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.644715873158454,"endHours":15.644715873158454,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.644715873158454,"endHours":16.644715873158454,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.644715873158454,"endHours":17.644715873158454,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.644715873158454,"endHours":18.644715873158454,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.644715873158454,"endHours":19.644715873158454,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.644715873158454,"endHours":20.644715873158454,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.644715873158454,"endHours":21.644715873158454,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.644715873158454,"endHours":22.644715873158454,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.644715873158454,"endHours":23.644715873158454,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.644715873158454,"endHours":24.644715873158454,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.644715873158454,"endHours":25.644715873158454,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.644715873158454,"endHours":26.644715873158454,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.644715873158454,"endHours":27.644715873158454,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.644715873158454,"endHours":28.644715873158454,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.644715873158454,"endHours":29.644715873158454,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.644715873158454,"endHours":30.644715873158454,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"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":-23.01555256351639,"eotMinutes":-3.705178323396069,"ayanamsa":23.6435}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Daśamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 January 1, 1985 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 1, 1985 CE for Erode, Tamil Nadu: Śukla Daśamī, sūryodaya 06:39, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1985-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1985-01-01","sa":"https://sa.vidhyamitra.com/city/erode/1985-01-01","hi":"https://hi.vidhyamitra.com/city/erode/1985-01-01","x-default":"https://vidhyamitra.com/city/erode/1985-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T04:05:20.384Z","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":"2026-05-18T04:05:20.384Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T04:05:20.384Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}