{"id":"vidhyamitra:city-day:erode:1973-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1973-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-12-01","date_display":"December 1, 1973 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":1973,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442017.770833,"kali_year":5075,"ahargana":1853552.2708,"sun":{"sidereal_longitude":224.7748,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":296.2646,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4899,"elapsed_within_tithi_degrees":11.4899},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.2646,"elapsed_within_degrees":2.9313},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.0394},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1973,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442017.770833,"ahargana":1853552.2708,"kali_year":5075,"ayanamsa_lahiri":23.4886,"grahas":{"sun":{"sidereal_longitude":225.212221,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":292.620321,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":3.2563},"mars":{"sidereal_longitude":2.347420999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":206.02072099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":285.119921,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":271.399221,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":69.76982099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":249.8808,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":69.8808,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1973,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442017.770833,"kali_year":5075,"ahargana":1853552.2708,"sun":{"sidereal_longitude":224.7748,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":296.2646,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4899,"elapsed_within_tithi_degrees":11.4899},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.2646,"elapsed_within_degrees":2.9313},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.0394},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.256,"elongation":71.49},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.256,"opposition_distance":108.51}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":1.303,"opposition_distance":1.423}]},"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":"06:24","sunsetLocal":"17:54","solarNoonLocal":"12:09","dayLengthHours":11.510321462334845,"dayLengthDisplay":"11 Hours 30 Mins 37 Secs","nightLengthDisplay":"12 Hours 29 Mins 23 Secs","moonriseLocal":"10:49","moonsetLocal":"22:28","rahuKala":{"name":"Rāhu Kāla","start":"09:16","end":"10:43","startHours":9.272422124409614,"endHours":10.711212307201471,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:35","end":"15:02","startHours":13.588792672785182,"endHours":15.027582855577037,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:24","end":"07:50","startHours":6.394841758825903,"endHours":7.833631941617758,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:28","startHours":9.0805834333707,"endHours":9.46426081544853,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:11","startHours":6.874438486423188,"endHours":7.181380392085451,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:32","startHours":11.766325107915499,"endHours":12.533679872071154,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:38","startHours":4.860132230514591,"endHours":5.627486994670247,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:24","startHours":5.435648303631332,"endHours":6.394841758825903,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:50","startHours":14.068389400382467,"endHours":14.835744164538124,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.70516322116075,"endHours":18.105163221160748,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:23","startHours":17.90516322116075,"endHours":18.384759948758035,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.65516322116075,"endHours":19.40516322116075,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:32","startHours":23.7663251079155,"endHours":24.533679872071154,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:24","end":"07:50","startHours":6.394841758825903,"endHours":7.833631941617758,"quality":"inauspicious"},{"name":"Śubha","start":"07:50","end":"09:16","startHours":7.833631941617758,"endHours":9.272422124409614,"quality":"auspicious"},{"name":"Roga","start":"09:16","end":"10:43","startHours":9.272422124409614,"endHours":10.711212307201471,"quality":"inauspicious"},{"name":"Udveg","start":"10:43","end":"12:09","startHours":10.711212307201471,"endHours":12.150002489993327,"quality":"inauspicious"},{"name":"Chala","start":"12:09","end":"13:35","startHours":12.150002489993327,"endHours":13.588792672785182,"quality":"neutral"},{"name":"Labha","start":"13:35","end":"15:02","startHours":13.588792672785182,"endHours":15.027582855577037,"quality":"auspicious"},{"name":"Amṛta","start":"15:02","end":"16:28","startHours":15.027582855577037,"endHours":16.466373038368893,"quality":"auspicious"},{"name":"Kāla","start":"16:28","end":"17:54","startHours":16.466373038368893,"endHours":17.90516322116075,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:54","end":"19:28","startHours":17.90516322116075,"endHours":19.466373038368893,"quality":"auspicious"},{"name":"Amṛta","start":"19:28","end":"21:02","startHours":19.466373038368893,"endHours":21.027582855577037,"quality":"auspicious"},{"name":"Kāla","start":"21:02","end":"22:35","startHours":21.027582855577037,"endHours":22.588792672785182,"quality":"inauspicious"},{"name":"Śubha","start":"22:35","end":"00:09","startHours":22.588792672785182,"endHours":24.150002489993327,"quality":"auspicious"},{"name":"Roga","start":"00:09","end":"01:43","startHours":24.150002489993327,"endHours":25.71121230720147,"quality":"inauspicious"},{"name":"Udveg","start":"01:43","end":"03:16","startHours":25.71121230720147,"endHours":27.272422124409616,"quality":"inauspicious"},{"name":"Chala","start":"03:16","end":"04:50","startHours":27.272422124409616,"endHours":28.83363194161776,"quality":"neutral"},{"name":"Labha","start":"04:50","end":"06:24","startHours":28.83363194161776,"endHours":30.394841758825905,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.394841758825903,"endHours":7.394841758825903,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.394841758825903,"endHours":8.394841758825903,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.394841758825903,"endHours":9.394841758825903,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.394841758825903,"endHours":10.394841758825903,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.394841758825903,"endHours":11.394841758825903,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.394841758825903,"endHours":12.394841758825903,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.394841758825903,"endHours":13.394841758825903,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.394841758825903,"endHours":14.394841758825903,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.394841758825903,"endHours":15.394841758825903,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.394841758825903,"endHours":16.394841758825905,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.394841758825905,"endHours":17.394841758825905,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.394841758825905,"endHours":18.394841758825905,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.394841758825905,"endHours":19.394841758825905,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.394841758825905,"endHours":20.394841758825905,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.394841758825905,"endHours":21.394841758825905,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.394841758825905,"endHours":22.394841758825905,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.394841758825905,"endHours":23.394841758825905,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.394841758825905,"endHours":24.394841758825905,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.394841758825905,"endHours":25.394841758825905,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.394841758825905,"endHours":26.394841758825905,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.394841758825905,"endHours":27.394841758825905,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.394841758825905,"endHours":28.394841758825905,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.394841758825905,"endHours":29.394841758825905,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.394841758825905,"endHours":30.394841758825905,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.750522966214188,"eotMinutes":10.131050600400467,"ayanamsa":23.4886}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ṣaṣṭhī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 1, 1973 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 1, 1973 CE for Erode, Tamil Nadu: Śukla Ṣaṣṭhī, sūryodaya 06:24, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1973-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1973-12-01","sa":"https://sa.vidhyamitra.com/city/erode/1973-12-01","hi":"https://hi.vidhyamitra.com/city/erode/1973-12-01","x-default":"https://vidhyamitra.com/city/erode/1973-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T11:14:58.312Z","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":"2026-05-19T11:14:58.312Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T11:14:58.312Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}