{"id":"vidhyamitra:city-day:erode:2168-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2168-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2168-02-01","date_display":"February 1, 2168 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":2168,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512936.770833,"kali_year":5269,"ahargana":1924471.2708,"sun":{"sidereal_longitude":285.1099,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":194.2975,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.1876,"elapsed_within_tithi_degrees":5.1876},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.2975,"elapsed_within_degrees":7.6308},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.4074},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2168,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512936.770833,"ahargana":1924471.2708,"kali_year":5269,"ayanamsa_lahiri":26.201,"grahas":{"sun":{"sidereal_longitude":285.505393,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":196.595593,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":4.4007},"mars":{"sidereal_longitude":108.45329300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":259.3461930000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":68.606493,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":262.4041930000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":276.62259300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":92.2509,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":272.2509,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2168,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512936.770833,"kali_year":5269,"ahargana":1924471.2708,"sun":{"sidereal_longitude":285.1099,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":194.2975,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.1876,"elapsed_within_tithi_degrees":5.1876},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.2975,"elapsed_within_degrees":7.6308},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.4074},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.401,"elongation":90.812},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.401,"opposition_distance":89.188}},"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":"06:44","sunsetLocal":"18:22","solarNoonLocal":"12:33","dayLengthHours":11.64204606900499,"dayLengthDisplay":"11 Hours 38 Mins 31 Secs","nightLengthDisplay":"12 Hours 21 Mins 29 Secs","moonriseLocal":"00:48","moonsetLocal":"12:27","rahuKala":{"name":"Rāhu Kāla","start":"08:11","end":"09:38","startHours":8.181241859413053,"endHours":9.636497618038678,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:06","end":"12:33","startHours":11.0917533766643,"endHours":12.547009135289926,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:27","startHours":14.002264893915548,"endHours":15.457520652541174,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:50","startHours":9.442463516888594,"endHours":9.83053171918876,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.211071353662637,"endHours":7.521525915502771,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:56","startHours":12.15894093298976,"endHours":12.935077337590092,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:57","startHours":5.173713291586765,"endHours":5.949849696187097,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:44","startHours":5.755815595037014,"endHours":6.72598610078743,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:16","startHours":14.487350146790757,"endHours":15.26348655139109,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.168032169792422,"endHours":18.56803216979242,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:51","startHours":18.36803216979242,"endHours":18.85311742266763,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.11803216979242,"endHours":19.86803216979242,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:56","startHours":24.15894093298976,"endHours":24.93507733759009,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:44","end":"08:11","startHours":6.72598610078743,"endHours":8.181241859413053,"quality":"auspicious"},{"name":"Kāla","start":"08:11","end":"09:38","startHours":8.181241859413053,"endHours":9.636497618038678,"quality":"inauspicious"},{"name":"Śubha","start":"09:38","end":"11:06","startHours":9.636497618038678,"endHours":11.0917533766643,"quality":"auspicious"},{"name":"Roga","start":"11:06","end":"12:33","startHours":11.0917533766643,"endHours":12.547009135289926,"quality":"inauspicious"},{"name":"Udveg","start":"12:33","end":"14:00","startHours":12.547009135289926,"endHours":14.002264893915548,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:27","startHours":14.002264893915548,"endHours":15.457520652541174,"quality":"neutral"},{"name":"Labha","start":"15:27","end":"16:55","startHours":15.457520652541174,"endHours":16.912776411166796,"quality":"auspicious"},{"name":"Amṛta","start":"16:55","end":"18:22","startHours":16.912776411166796,"endHours":18.36803216979242,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:22","end":"19:55","startHours":18.36803216979242,"endHours":19.912776411166796,"quality":"neutral"},{"name":"Labha","start":"19:55","end":"21:27","startHours":19.912776411166796,"endHours":21.457520652541174,"quality":"auspicious"},{"name":"Amṛta","start":"21:27","end":"23:00","startHours":21.457520652541174,"endHours":23.00226489391555,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:33","startHours":23.00226489391555,"endHours":24.547009135289926,"quality":"inauspicious"},{"name":"Śubha","start":"00:33","end":"02:06","startHours":24.547009135289926,"endHours":26.0917533766643,"quality":"auspicious"},{"name":"Roga","start":"02:06","end":"03:38","startHours":26.0917533766643,"endHours":27.63649761803868,"quality":"inauspicious"},{"name":"Udveg","start":"03:38","end":"05:11","startHours":27.63649761803868,"endHours":29.181241859413056,"quality":"inauspicious"},{"name":"Chala","start":"05:11","end":"06:44","startHours":29.181241859413056,"endHours":30.72598610078743,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.72598610078743,"endHours":7.72598610078743,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.72598610078743,"endHours":8.72598610078743,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.72598610078743,"endHours":9.72598610078743,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.72598610078743,"endHours":10.72598610078743,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.72598610078743,"endHours":11.72598610078743,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.72598610078743,"endHours":12.72598610078743,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.72598610078743,"endHours":13.72598610078743,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.72598610078743,"endHours":14.72598610078743,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.72598610078743,"endHours":15.72598610078743,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.72598610078743,"endHours":16.72598610078743,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.72598610078743,"endHours":17.72598610078743,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.72598610078743,"endHours":18.72598610078743,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.72598610078743,"endHours":19.72598610078743,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.72598610078743,"endHours":20.72598610078743,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.72598610078743,"endHours":21.72598610078743,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.72598610078743,"endHours":22.72598610078743,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.72598610078743,"endHours":23.72598610078743,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.72598610078743,"endHours":24.72598610078743,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.72598610078743,"endHours":25.72598610078743,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.72598610078743,"endHours":26.72598610078743,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.72598610078743,"endHours":27.72598610078743,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.72598610078743,"endHours":28.72598610078743,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.72598610078743,"endHours":29.72598610078743,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.72598610078743,"endHours":30.72598610078743,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.273467857831992,"eotMinutes":-13.689348117395623,"ayanamsa":26.201}},"calendars":{"vikram_samvat":2225,"vikram_samvatsara":"Vṛṣa","saka_samvat":2090,"saka_samvatsara":"Vibhava","bengali_samvat":1575,"malayalam_era":1344,"nanakshahi_year":699,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2225 Vṛṣa · Śaka 2090 Vibhava"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[{"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 February 1, 2168 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 1, 2168 CE for Erode, Tamil Nadu: Kṛṣṇa Aṣṭamī, sūryodaya 06:44, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2168-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2168-02-01","sa":"https://sa.vidhyamitra.com/city/erode/2168-02-01","hi":"https://hi.vidhyamitra.com/city/erode/2168-02-01","x-default":"https://vidhyamitra.com/city/erode/2168-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T08:51:04.136Z","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":"2026-05-27T08:51:04.136Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T08:51:04.136Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}