{"id":"vidhyamitra:city-day:noida:2001-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2001-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-04","date_display":"September 4, 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":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452156.770833,"kali_year":5103,"ahargana":1863691.2708,"sun":{"sidereal_longitude":137.0112,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":331.1984,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.1872,"elapsed_within_tithi_degrees":2.1872},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.1984,"elapsed_within_degrees":11.1984},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.2096},"karana":{"half_tithi_index":32,"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":2001,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452156.770833,"ahargana":1863691.2708,"kali_year":5103,"ayanamsa_lahiri":23.8764,"grahas":{"sun":{"sidereal_longitude":137.712336,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":330.06013600000006,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-4.41},"mars":{"sidereal_longitude":243.77743599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":160.42523600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":76.48433599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":105.519136,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":50.55703600000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.6678,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.6678,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452156.770833,"kali_year":5103,"ahargana":1863691.2708,"sun":{"sidereal_longitude":137.0112,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":331.1984,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.1872,"elapsed_within_tithi_degrees":2.1872},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.1984,"elapsed_within_degrees":11.1984},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.2096},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.41,"elongation":165.813},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.41,"opposition_distance":14.187}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:59","sunsetLocal":"18:39","solarNoonLocal":"12:19","dayLengthHours":12.654213613330374,"dayLengthDisplay":"12 Hours 39 Mins 15 Secs","nightLengthDisplay":"11 Hours 20 Mins 45 Secs","moonriseLocal":"19:11","moonsetLocal":"07:06","rahuKala":{"name":"Rāhu Kāla","start":"15:29","end":"17:04","startHours":15.479189468378326,"endHours":17.060966170044622,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:44","startHours":9.152082661713138,"endHours":10.733859363379434,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:54","startHours":12.31563606504573,"endHours":13.897412766712026,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:22","startHours":8.941179101490965,"endHours":9.36298622193531,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:51","startHours":6.515788158935976,"endHours":6.853233855291453,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:44","startHours":11.893828944601387,"endHours":12.737443185490077,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:09","startHours":4.301300776603162,"endHours":5.1449150174918525,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:59","startHours":4.93401145726968,"endHours":5.988529258380544,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:16","startHours":14.42467166726746,"endHours":15.268285908156152,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.44274287171092,"endHours":18.842742871710918,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:10","startHours":18.64274287171092,"endHours":19.17000177226635,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.39274287171092,"endHours":20.14274287171092,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:44","startHours":23.893828944601385,"endHours":24.737443185490076,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:59","end":"07:34","startHours":5.988529258380544,"endHours":7.570305960046841,"quality":"inauspicious"},{"name":"Udveg","start":"07:34","end":"09:09","startHours":7.570305960046841,"endHours":9.152082661713138,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:44","startHours":9.152082661713138,"endHours":10.733859363379434,"quality":"neutral"},{"name":"Labha","start":"10:44","end":"12:19","startHours":10.733859363379434,"endHours":12.31563606504573,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:54","startHours":12.31563606504573,"endHours":13.897412766712026,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:29","startHours":13.897412766712026,"endHours":15.479189468378326,"quality":"inauspicious"},{"name":"Śubha","start":"15:29","end":"17:04","startHours":15.479189468378326,"endHours":17.060966170044622,"quality":"auspicious"},{"name":"Roga","start":"17:04","end":"18:39","startHours":17.060966170044622,"endHours":18.64274287171092,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:39","end":"20:04","startHours":18.64274287171092,"endHours":20.060966170044622,"quality":"inauspicious"},{"name":"Śubha","start":"20:04","end":"21:29","startHours":20.060966170044622,"endHours":21.479189468378326,"quality":"auspicious"},{"name":"Roga","start":"21:29","end":"22:54","startHours":21.479189468378326,"endHours":22.89741276671203,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:19","startHours":22.89741276671203,"endHours":24.31563606504573,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:44","startHours":24.31563606504573,"endHours":25.733859363379437,"quality":"neutral"},{"name":"Labha","start":"01:44","end":"03:09","startHours":25.733859363379437,"endHours":27.152082661713138,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:34","startHours":27.152082661713138,"endHours":28.57030596004684,"quality":"auspicious"},{"name":"Kāla","start":"04:34","end":"05:59","startHours":28.57030596004684,"endHours":29.988529258380545,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.988529258380544,"endHours":6.988529258380544,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.988529258380544,"endHours":7.988529258380544,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.988529258380544,"endHours":8.988529258380545,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.988529258380545,"endHours":9.988529258380545,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.988529258380545,"endHours":10.988529258380545,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.988529258380545,"endHours":11.988529258380545,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.988529258380545,"endHours":12.988529258380545,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.988529258380545,"endHours":13.988529258380545,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.988529258380545,"endHours":14.988529258380545,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.988529258380545,"endHours":15.988529258380545,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.988529258380545,"endHours":16.988529258380545,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.988529258380545,"endHours":17.988529258380545,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.988529258380545,"endHours":18.988529258380545,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.988529258380545,"endHours":19.988529258380545,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.988529258380545,"endHours":20.988529258380545,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.988529258380545,"endHours":21.988529258380545,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.988529258380545,"endHours":22.988529258380545,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.988529258380545,"endHours":23.988529258380545,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.988529258380545,"endHours":24.988529258380545,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.988529258380545,"endHours":25.988529258380545,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.988529258380545,"endHours":26.988529258380545,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.988529258380545,"endHours":27.988529258380545,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.988529258380545,"endHours":28.988529258380545,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.988529258380545,"endHours":29.988529258380545,"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.216449368391953,"eotMinutes":1.4978360972560227,"ayanamsa":23.8764}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Dvitīyā · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":[]},"validity":{"eternal":false,"location_specific":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 4, 2001 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"September 4, 2001 CE for Noida, Uttar Pradesh: Kṛṣṇa Dvitīyā, sūryodaya 05:59, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2001-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2001-09-04","sa":"https://sa.vidhyamitra.com/city/noida/2001-09-04","hi":"https://hi.vidhyamitra.com/city/noida/2001-09-04","x-default":"https://vidhyamitra.com/city/noida/2001-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:15:17.809Z","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":"2026-06-01T20:15:17.809Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:15:17.809Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}