{"id":"vidhyamitra:city-day:erode:1999-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1999-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1999-04-01","date_display":"April 1, 1999 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":1999,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451269.770833,"kali_year":5100,"ahargana":1862804.2708,"sun":{"sidereal_longitude":347.2043,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":169.979,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.7747,"elapsed_within_tithi_degrees":2.7747},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.979,"elapsed_within_degrees":9.979},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.1833},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1999,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451269.770833,"ahargana":1862804.2708,"kali_year":5100,"ayanamsa_lahiri":23.8425,"grahas":{"sun":{"sidereal_longitude":347.034726,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":168.06712600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":3.4615},"mars":{"sidereal_longitude":197.192226,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":327.23412600000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":347.16042600000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":22.55402600000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":9.561326000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":119.6653,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":299.6653,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1999,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451269.770833,"kali_year":5100,"ahargana":1862804.2708,"sun":{"sidereal_longitude":347.2043,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":169.979,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.7747,"elapsed_within_tithi_degrees":2.7747},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.979,"elapsed_within_degrees":9.979},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.1833},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.462,"elongation":177.225},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.462,"opposition_distance":2.775}},"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":"06:17","sunsetLocal":"18:30","solarNoonLocal":"12:23","dayLengthHours":12.228952141280985,"dayLengthDisplay":"12 Hours 13 Mins 44 Secs","nightLengthDisplay":"11 Hours 46 Mins 16 Secs","moonriseLocal":"18:29","moonsetLocal":"06:26","rahuKala":{"name":"Rāhu Kāla","start":"13:55","end":"15:27","startHours":13.919877286012646,"endHours":15.44849630367277,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:17","end":"07:48","startHours":6.27678219771203,"endHours":7.805401215372153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:20","end":"10:52","startHours":9.334020233032277,"endHours":10.8626392506924,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:32","startHours":9.130204364010925,"endHours":9.537836102053625,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:07","startHours":6.786321870265404,"endHours":7.1124272606995635,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:48","startHours":11.983626530309824,"endHours":12.798890006395222,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:39","end":"05:28","startHours":4.646255245541232,"endHours":5.46151872162663,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:17","startHours":5.257702852605281,"endHours":6.27678219771203,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:15","startHours":14.42941695856602,"endHours":15.244680434651418,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.305734338993016,"endHours":18.705734338993015,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:01","startHours":18.505734338993015,"endHours":19.01527401154639,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.255734338993015,"endHours":20.005734338993015,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:48","startHours":23.983626530309824,"endHours":24.798890006395222,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:17","end":"07:48","startHours":6.27678219771203,"endHours":7.805401215372153,"quality":"auspicious"},{"name":"Roga","start":"07:48","end":"09:20","startHours":7.805401215372153,"endHours":9.334020233032277,"quality":"inauspicious"},{"name":"Udveg","start":"09:20","end":"10:52","startHours":9.334020233032277,"endHours":10.8626392506924,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:23","startHours":10.8626392506924,"endHours":12.391258268352523,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"13:55","startHours":12.391258268352523,"endHours":13.919877286012646,"quality":"auspicious"},{"name":"Amṛta","start":"13:55","end":"15:27","startHours":13.919877286012646,"endHours":15.44849630367277,"quality":"auspicious"},{"name":"Kāla","start":"15:27","end":"16:59","startHours":15.44849630367277,"endHours":16.977115321332892,"quality":"inauspicious"},{"name":"Śubha","start":"16:59","end":"18:30","startHours":16.977115321332892,"endHours":18.505734338993015,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:30","end":"19:59","startHours":18.505734338993015,"endHours":19.977115321332892,"quality":"auspicious"},{"name":"Kāla","start":"19:59","end":"21:27","startHours":19.977115321332892,"endHours":21.44849630367277,"quality":"inauspicious"},{"name":"Śubha","start":"21:27","end":"22:55","startHours":21.44849630367277,"endHours":22.919877286012646,"quality":"auspicious"},{"name":"Roga","start":"22:55","end":"00:23","startHours":22.919877286012646,"endHours":24.391258268352523,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"01:52","startHours":24.391258268352523,"endHours":25.8626392506924,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:20","startHours":25.8626392506924,"endHours":27.334020233032277,"quality":"neutral"},{"name":"Labha","start":"03:20","end":"04:48","startHours":27.334020233032277,"endHours":28.805401215372154,"quality":"auspicious"},{"name":"Amṛta","start":"04:48","end":"06:17","startHours":28.805401215372154,"endHours":30.27678219771203,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.27678219771203,"endHours":7.27678219771203,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.27678219771203,"endHours":8.27678219771203,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.27678219771203,"endHours":9.27678219771203,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.27678219771203,"endHours":10.27678219771203,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.27678219771203,"endHours":11.27678219771203,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.27678219771203,"endHours":12.27678219771203,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.27678219771203,"endHours":13.27678219771203,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.27678219771203,"endHours":14.27678219771203,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.27678219771203,"endHours":15.27678219771203,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.27678219771203,"endHours":16.27678219771203,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.27678219771203,"endHours":17.27678219771203,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.27678219771203,"endHours":18.27678219771203,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.27678219771203,"endHours":19.27678219771203,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.27678219771203,"endHours":20.27678219771203,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.27678219771203,"endHours":21.27678219771203,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.27678219771203,"endHours":22.27678219771203,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.27678219771203,"endHours":23.27678219771203,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.27678219771203,"endHours":24.27678219771203,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.27678219771203,"endHours":25.27678219771203,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.27678219771203,"endHours":26.27678219771203,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.27678219771203,"endHours":27.27678219771203,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.27678219771203,"endHours":28.27678219771203,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.27678219771203,"endHours":29.27678219771203,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.27678219771203,"endHours":30.27678219771203,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.304333695500139,"eotMinutes":-4.344296101151456,"ayanamsa":23.8425}},"calendars":{"vikram_samvat":2056,"vikram_samvatsara":"Nandana","saka_samvat":1921,"saka_samvatsara":"Pramāthi","bengali_samvat":1406,"malayalam_era":1175,"nanakshahi_year":530,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Pratipada · Vikram 2056 Nandana · Śaka 1921 Pramāthi"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 1, 1999 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 1, 1999 CE for Erode, Tamil Nadu: Kṛṣṇa Pratipada, sūryodaya 06:17, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1999-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1999-04-01","sa":"https://sa.vidhyamitra.com/city/erode/1999-04-01","hi":"https://hi.vidhyamitra.com/city/erode/1999-04-01","x-default":"https://vidhyamitra.com/city/erode/1999-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T04:03:35.152Z","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":"2026-05-17T04:03:35.152Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T04:03:35.152Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}