{"id":"vidhyamitra:city-day:erode:1975-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1975-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-02-04","date_display":"February 4, 1975 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":1975,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442447.770833,"kali_year":5076,"ahargana":1853982.2708,"sun":{"sidereal_longitude":291.1791,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":207.2502,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.071,"elapsed_within_tithi_degrees":0.071},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.2502,"elapsed_within_degrees":7.2502},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.4293},"karana":{"half_tithi_index":46,"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":1975,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442447.770833,"ahargana":1853982.2708,"kali_year":5076,"ayanamsa_lahiri":23.5051,"grahas":{"sun":{"sidereal_longitude":291.08459100000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":210.408191,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-1.5264},"mars":{"sidereal_longitude":256.553591,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":300.383791,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":326.61349100000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":312.826991,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":79.89769100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":227.0973,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.0973,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"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":1975,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442447.770833,"kali_year":5076,"ahargana":1853982.2708,"sun":{"sidereal_longitude":291.1791,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":207.2502,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.071,"elapsed_within_tithi_degrees":0.071},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.2502,"elapsed_within_degrees":7.2502},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.4293},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.526,"elongation":83.929},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.526,"opposition_distance":96.071}},"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":"06:43","sunsetLocal":"18:23","solarNoonLocal":"12:33","dayLengthHours":11.665484125207016,"dayLengthDisplay":"11 Hours 39 Mins 56 Secs","nightLengthDisplay":"12 Hours 20 Mins 04 Secs","moonriseLocal":"01:24","moonsetLocal":"12:57","rahuKala":{"name":"Rāhu Kāla","start":"15:28","end":"16:56","startHours":15.470086437434976,"endHours":16.928271953085854,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:38","end":"11:06","startHours":9.637344374831468,"endHours":11.095529890482347,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:33","end":"14:01","startHours":12.553715406133222,"endHours":14.0119009217841,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:50","startHours":9.442919639411352,"endHours":9.831769110251585,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:31","startHours":7.207035182080007,"endHours":7.518114758752194,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.164865935292989,"endHours":12.942564876973455,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:57","startHours":5.165575460168779,"endHours":5.943274401849247,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:43","startHours":5.74884966642913,"endHours":6.720973343529715,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:17","startHours":14.497962760334392,"endHours":15.27566170201486,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.18645746873673,"endHours":18.58645746873673,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:52","startHours":18.38645746873673,"endHours":18.87251930728702,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.13645746873673,"endHours":19.88645746873673,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.164865935292987,"endHours":24.942564876973456,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:43","end":"08:11","startHours":6.720973343529715,"endHours":8.179158859180593,"quality":"inauspicious"},{"name":"Udveg","start":"08:11","end":"09:38","startHours":8.179158859180593,"endHours":9.637344374831468,"quality":"inauspicious"},{"name":"Chala","start":"09:38","end":"11:06","startHours":9.637344374831468,"endHours":11.095529890482347,"quality":"neutral"},{"name":"Labha","start":"11:06","end":"12:33","startHours":11.095529890482347,"endHours":12.553715406133222,"quality":"auspicious"},{"name":"Amṛta","start":"12:33","end":"14:01","startHours":12.553715406133222,"endHours":14.0119009217841,"quality":"auspicious"},{"name":"Kāla","start":"14:01","end":"15:28","startHours":14.0119009217841,"endHours":15.470086437434976,"quality":"inauspicious"},{"name":"Śubha","start":"15:28","end":"16:56","startHours":15.470086437434976,"endHours":16.928271953085854,"quality":"auspicious"},{"name":"Roga","start":"16:56","end":"18:23","startHours":16.928271953085854,"endHours":18.38645746873673,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:23","end":"19:56","startHours":18.38645746873673,"endHours":19.928271953085854,"quality":"inauspicious"},{"name":"Śubha","start":"19:56","end":"21:28","startHours":19.928271953085854,"endHours":21.470086437434976,"quality":"auspicious"},{"name":"Roga","start":"21:28","end":"23:01","startHours":21.470086437434976,"endHours":23.011900921784097,"quality":"inauspicious"},{"name":"Udveg","start":"23:01","end":"00:33","startHours":23.011900921784097,"endHours":24.55371540613322,"quality":"inauspicious"},{"name":"Chala","start":"00:33","end":"02:06","startHours":24.55371540613322,"endHours":26.095529890482347,"quality":"neutral"},{"name":"Labha","start":"02:06","end":"03:38","startHours":26.095529890482347,"endHours":27.637344374831468,"quality":"auspicious"},{"name":"Amṛta","start":"03:38","end":"05:11","startHours":27.637344374831468,"endHours":29.17915885918059,"quality":"auspicious"},{"name":"Kāla","start":"05:11","end":"06:43","startHours":29.17915885918059,"endHours":30.720973343529714,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.720973343529715,"endHours":7.720973343529715,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.720973343529715,"endHours":8.720973343529714,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.720973343529714,"endHours":9.720973343529714,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.720973343529714,"endHours":10.720973343529714,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.720973343529714,"endHours":11.720973343529714,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.720973343529714,"endHours":12.720973343529714,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.720973343529714,"endHours":13.720973343529714,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.720973343529714,"endHours":14.720973343529714,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.720973343529714,"endHours":15.720973343529714,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.720973343529714,"endHours":16.720973343529714,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.720973343529714,"endHours":17.720973343529714,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.720973343529714,"endHours":18.720973343529714,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.720973343529714,"endHours":19.720973343529714,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.720973343529714,"endHours":20.720973343529714,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.720973343529714,"endHours":21.720973343529714,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.720973343529714,"endHours":22.720973343529714,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.720973343529714,"endHours":23.720973343529714,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.720973343529714,"endHours":24.720973343529714,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.720973343529714,"endHours":25.720973343529714,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.720973343529714,"endHours":26.720973343529714,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.720973343529714,"endHours":27.720973343529714,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.720973343529714,"endHours":28.720973343529714,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.720973343529714,"endHours":29.720973343529714,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.720973343529714,"endHours":30.720973343529714,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.454038918165452,"eotMinutes":-14.091724367993354,"ayanamsa":23.5051}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[],"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 4, 1975 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 4, 1975 CE for Erode, Tamil Nadu: Kṛṣṇa Navamī, sūryodaya 06:43, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1975-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1975-02-04","sa":"https://sa.vidhyamitra.com/city/erode/1975-02-04","hi":"https://hi.vidhyamitra.com/city/erode/1975-02-04","x-default":"https://vidhyamitra.com/city/erode/1975-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:21:45.234Z","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":"2026-05-31T14:21:45.234Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:21:45.234Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}