{"id":"vidhyamitra:city-day:erode:2170-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2170-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-12-01","date_display":"December 1, 2170 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":2170,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513970.770833,"kali_year":5272,"ahargana":1925505.2708,"sun":{"sidereal_longitude":221.7381,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":132.4712,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.7331,"elapsed_within_tithi_degrees":6.7331},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":132.4712,"elapsed_within_degrees":12.4712},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.2094},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2170,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513970.770833,"ahargana":1925505.2708,"kali_year":5272,"ayanamsa_lahiri":26.2406,"grahas":{"sun":{"sidereal_longitude":222.666787,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":131.199887,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":4.4828},"mars":{"sidereal_longitude":253.779987,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":200.43248700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":164.80258700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":173.83338700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":302.465187,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":37.4646,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":217.4646,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2170,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513970.770833,"kali_year":5272,"ahargana":1925505.2708,"sun":{"sidereal_longitude":221.7381,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":132.4712,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.7331,"elapsed_within_tithi_degrees":6.7331},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":132.4712,"elapsed_within_degrees":12.4712},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.2094},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.483,"elongation":89.267},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.483,"opposition_distance":90.733}},"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":"06:24","sunsetLocal":"17:54","solarNoonLocal":"12:09","dayLengthHours":11.509354941778085,"dayLengthDisplay":"11 Hours 30 Mins 34 Secs","nightLengthDisplay":"12 Hours 29 Mins 26 Secs","moonriseLocal":"23:54","moonsetLocal":"12:13","rahuKala":{"name":"Rāhu Kāla","start":"09:16","end":"10:43","startHours":9.272663754548805,"endHours":10.711333122271064,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:35","end":"15:02","startHours":13.588671857715585,"endHours":15.027341225437848,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:24","end":"07:50","startHours":6.395325019104283,"endHours":7.833994386826544,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:28","startHours":9.080841172185837,"endHours":9.464486336911772,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:11","startHours":6.874881475011703,"endHours":7.181797606792452,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:32","startHours":11.766357325267391,"endHours":12.533647654719262,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:38","startHours":4.860744360200538,"endHours":5.628034689652411,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:24","startHours":5.4362121072894425,"endHours":6.395325019104283,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:50","startHours":14.068228313623006,"endHours":14.835518643074879,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.70467996088237,"endHours":18.10467996088237,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:23","startHours":17.90467996088237,"endHours":18.38423641678979,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.65467996088237,"endHours":19.40467996088237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:32","startHours":23.76635732526739,"endHours":24.533647654719264,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:24","end":"07:50","startHours":6.395325019104283,"endHours":7.833994386826544,"quality":"inauspicious"},{"name":"Śubha","start":"07:50","end":"09:16","startHours":7.833994386826544,"endHours":9.272663754548805,"quality":"auspicious"},{"name":"Roga","start":"09:16","end":"10:43","startHours":9.272663754548805,"endHours":10.711333122271064,"quality":"inauspicious"},{"name":"Udveg","start":"10:43","end":"12:09","startHours":10.711333122271064,"endHours":12.150002489993327,"quality":"inauspicious"},{"name":"Chala","start":"12:09","end":"13:35","startHours":12.150002489993327,"endHours":13.588671857715585,"quality":"neutral"},{"name":"Labha","start":"13:35","end":"15:02","startHours":13.588671857715585,"endHours":15.027341225437848,"quality":"auspicious"},{"name":"Amṛta","start":"15:02","end":"16:28","startHours":15.027341225437848,"endHours":16.466010593160107,"quality":"auspicious"},{"name":"Kāla","start":"16:28","end":"17:54","startHours":16.466010593160107,"endHours":17.90467996088237,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:54","end":"19:28","startHours":17.90467996088237,"endHours":19.466010593160107,"quality":"auspicious"},{"name":"Amṛta","start":"19:28","end":"21:02","startHours":19.466010593160107,"endHours":21.027341225437848,"quality":"auspicious"},{"name":"Kāla","start":"21:02","end":"22:35","startHours":21.027341225437848,"endHours":22.58867185771559,"quality":"inauspicious"},{"name":"Śubha","start":"22:35","end":"00:09","startHours":22.58867185771559,"endHours":24.150002489993327,"quality":"auspicious"},{"name":"Roga","start":"00:09","end":"01:43","startHours":24.150002489993327,"endHours":25.711333122271064,"quality":"inauspicious"},{"name":"Udveg","start":"01:43","end":"03:16","startHours":25.711333122271064,"endHours":27.272663754548805,"quality":"inauspicious"},{"name":"Chala","start":"03:16","end":"04:50","startHours":27.272663754548805,"endHours":28.833994386826546,"quality":"neutral"},{"name":"Labha","start":"04:50","end":"06:24","startHours":28.833994386826546,"endHours":30.395325019104284,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.395325019104283,"endHours":7.395325019104283,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.395325019104283,"endHours":8.395325019104284,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.395325019104284,"endHours":9.395325019104284,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.395325019104284,"endHours":10.395325019104284,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.395325019104284,"endHours":11.395325019104284,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.395325019104284,"endHours":12.395325019104284,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.395325019104284,"endHours":13.395325019104284,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.395325019104284,"endHours":14.395325019104284,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.395325019104284,"endHours":15.395325019104284,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.395325019104284,"endHours":16.395325019104284,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.395325019104284,"endHours":17.395325019104284,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.395325019104284,"endHours":18.395325019104284,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.395325019104284,"endHours":19.395325019104284,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.395325019104284,"endHours":20.395325019104284,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.395325019104284,"endHours":21.395325019104284,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.395325019104284,"endHours":22.395325019104284,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.395325019104284,"endHours":23.395325019104284,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.395325019104284,"endHours":24.395325019104284,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.395325019104284,"endHours":25.395325019104284,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.395325019104284,"endHours":26.395325019104284,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.395325019104284,"endHours":27.395325019104284,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.395325019104284,"endHours":28.395325019104284,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.395325019104284,"endHours":29.395325019104284,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.395325019104284,"endHours":30.395325019104284,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":-21.78250828331957,"eotMinutes":10.131050600400467,"ayanamsa":26.2406}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Aṣṭamī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[{"id":"kalabhairava-ashtami","name":"Kālabhairava Aṣṭamī","name_sanskrit":"कालभैरव अष्टमी","tradition":"Shaiva","associated_deity":"Kālabhairava (fierce Śiva)","significance":"Kālabhairava's manifestation; Kāśī-kṣetrapāla.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","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":[{"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 1, 2170 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 1, 2170 CE for Erode, Tamil Nadu: Kṛṣṇa Aṣṭamī, sūryodaya 06:24, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2170-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2170-12-01","sa":"https://sa.vidhyamitra.com/city/erode/2170-12-01","hi":"https://hi.vidhyamitra.com/city/erode/2170-12-01","x-default":"https://vidhyamitra.com/city/erode/2170-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T21:22:22.005Z","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":"2026-05-27T21:22:22.005Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T21:22:22.005Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}