{"id":"vidhyamitra:city-day:coimbatore:2001-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/2001-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-04-01","date_display":"April 1, 2001 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":2001,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452000.770833,"kali_year":5102,"ahargana":1863535.2708,"sun":{"sidereal_longitude":347.6797,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":74.4203,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.7407,"elapsed_within_tithi_degrees":2.7407},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.4203,"elapsed_within_degrees":7.7537},"yoga":{"number":5,"name":"Śobhana","sum_longitude":62.1},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2001,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452000.770833,"ahargana":1863535.2708,"kali_year":5102,"ayanamsa_lahiri":23.8704,"grahas":{"sun":{"sidereal_longitude":347.515897,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":72.192497,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-0.5099},"mars":{"sidereal_longitude":236.77029700000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":327.260397,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":43.70759700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":344.545697,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":33.854896999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":80.9334,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":260.9334,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2001,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452000.770833,"kali_year":5102,"ahargana":1863535.2708,"sun":{"sidereal_longitude":347.6797,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":74.4203,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.7407,"elapsed_within_tithi_degrees":2.7407},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.4203,"elapsed_within_degrees":7.7537},"yoga":{"number":5,"name":"Śobhana","sum_longitude":62.1},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.51,"elongation":86.741},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.51,"opposition_distance":93.259}},"eclipse_window_40days":[]},"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:20","sunsetLocal":"18:33","solarNoonLocal":"12:27","dayLengthHours":12.230678638164505,"dayLengthDisplay":"12 Hours 13 Mins 50 Secs","nightLengthDisplay":"11 Hours 46 Mins 10 Secs","moonriseLocal":"11:43","moonsetLocal":"00:27","rahuKala":{"name":"Rāhu Kāla","start":"17:02","end":"18:33","startHours":17.028522757664213,"endHours":18.557357587434776,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:27","end":"13:58","startHours":12.442018268352523,"endHours":13.970853098123087,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:30","end":"17:02","startHours":15.49968792789365,"endHours":17.028522757664213,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:35","startHours":9.180503964841987,"endHours":9.588193252780805,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:10","startHours":6.836290559193791,"endHours":7.162441989544845,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:51","startHours":12.034328980413706,"endHours":12.84970755629134,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.695921797515002,"endHours":5.511300373392636,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:20","startHours":5.307455729423228,"endHours":6.32667894927027,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:18","startHours":14.480464708046608,"endHours":15.295843283924242,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.357357587434777,"endHours":18.757357587434775,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:04","startHours":18.557357587434776,"endHours":19.066969197358297,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.307357587434776,"endHours":20.057357587434776,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:51","startHours":24.034328980413708,"endHours":24.84970755629134,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:20","end":"07:51","startHours":6.32667894927027,"endHours":7.855513779040833,"quality":"inauspicious"},{"name":"Chala","start":"07:51","end":"09:23","startHours":7.855513779040833,"endHours":9.384348608811397,"quality":"neutral"},{"name":"Labha","start":"09:23","end":"10:55","startHours":9.384348608811397,"endHours":10.91318343858196,"quality":"auspicious"},{"name":"Amṛta","start":"10:55","end":"12:27","startHours":10.91318343858196,"endHours":12.442018268352523,"quality":"auspicious"},{"name":"Kāla","start":"12:27","end":"13:58","startHours":12.442018268352523,"endHours":13.970853098123087,"quality":"inauspicious"},{"name":"Śubha","start":"13:58","end":"15:30","startHours":13.970853098123087,"endHours":15.49968792789365,"quality":"auspicious"},{"name":"Roga","start":"15:30","end":"17:02","startHours":15.49968792789365,"endHours":17.028522757664213,"quality":"inauspicious"},{"name":"Udveg","start":"17:02","end":"18:33","startHours":17.028522757664213,"endHours":18.557357587434776,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:33","end":"20:02","startHours":18.557357587434776,"endHours":20.028522757664213,"quality":"auspicious"},{"name":"Roga","start":"20:02","end":"21:30","startHours":20.028522757664213,"endHours":21.49968792789365,"quality":"inauspicious"},{"name":"Udveg","start":"21:30","end":"22:58","startHours":21.49968792789365,"endHours":22.970853098123087,"quality":"inauspicious"},{"name":"Chala","start":"22:58","end":"00:27","startHours":22.970853098123087,"endHours":24.442018268352523,"quality":"neutral"},{"name":"Labha","start":"00:27","end":"01:55","startHours":24.442018268352523,"endHours":25.91318343858196,"quality":"auspicious"},{"name":"Amṛta","start":"01:55","end":"03:23","startHours":25.91318343858196,"endHours":27.384348608811397,"quality":"auspicious"},{"name":"Kāla","start":"03:23","end":"04:51","startHours":27.384348608811397,"endHours":28.855513779040834,"quality":"inauspicious"},{"name":"Śubha","start":"04:51","end":"06:20","startHours":28.855513779040834,"endHours":30.32667894927027,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.32667894927027,"endHours":7.32667894927027,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.32667894927027,"endHours":8.32667894927027,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.32667894927027,"endHours":9.32667894927027,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.32667894927027,"endHours":10.32667894927027,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.32667894927027,"endHours":11.32667894927027,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.32667894927027,"endHours":12.32667894927027,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.32667894927027,"endHours":13.32667894927027,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.32667894927027,"endHours":14.32667894927027,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.32667894927027,"endHours":15.32667894927027,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.32667894927027,"endHours":16.32667894927027,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.32667894927027,"endHours":17.32667894927027,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.32667894927027,"endHours":18.32667894927027,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.32667894927027,"endHours":19.32667894927027,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.32667894927027,"endHours":20.32667894927027,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.32667894927027,"endHours":21.32667894927027,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.32667894927027,"endHours":22.32667894927027,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.32667894927027,"endHours":23.32667894927027,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.32667894927027,"endHours":24.32667894927027,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.32667894927027,"endHours":25.32667894927027,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.32667894927027,"endHours":26.32667894927027,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.32667894927027,"endHours":27.32667894927027,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.32667894927027,"endHours":28.32667894927027,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.32667894927027,"endHours":29.32667894927027,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.32667894927027,"endHours":30.32667894927027,"planetary_lord":"Jupiter"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.503586117612102,"eotMinutes":-4.344296101151456,"ayanamsa":23.8704}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Aṣṭamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"coimbatore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 1, 2001 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"April 1, 2001 CE for Coimbatore, Tamil Nadu: Śukla Aṣṭamī, sūryodaya 06:20, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/2001-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/2001-04-01","sa":"https://sa.vidhyamitra.com/city/coimbatore/2001-04-01","hi":"https://hi.vidhyamitra.com/city/coimbatore/2001-04-01","x-default":"https://vidhyamitra.com/city/coimbatore/2001-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:31:56.378Z","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":"2026-06-01T01:31:56.378Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:31:56.378Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}