{"id":"vidhyamitra:city-day:noida:1975-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1975-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-09-20","date_display":"September 20, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1975,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442675.770833,"kali_year":5077,"ahargana":1854210.2708,"sun":{"sidereal_longitude":152.273,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":327.8678,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5948,"elapsed_within_tithi_degrees":7.5948},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.8678,"elapsed_within_degrees":7.8678},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.1407},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442675.770833,"ahargana":1854210.2708,"kali_year":5077,"ayanamsa_lahiri":23.5138,"grahas":{"sun":{"sidereal_longitude":152.94978000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":327.99608,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":4.1462},"mars":{"sidereal_longitude":56.716380000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":179.08238000000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":359.09508,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":122.24358000000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":96.82578000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":215.0168,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.0168,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1975,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442675.770833,"kali_year":5077,"ahargana":1854210.2708,"sun":{"sidereal_longitude":152.273,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":327.8678,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5948,"elapsed_within_tithi_degrees":7.5948},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.8678,"elapsed_within_degrees":7.8678},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.1407},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.146,"elongation":175.595},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.146,"opposition_distance":4.405}},"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":"06:06","sunsetLocal":"18:20","solarNoonLocal":"12:13","dayLengthHours":12.22843449922335,"dayLengthDisplay":"12 Hours 13 Mins 42 Secs","nightLengthDisplay":"11 Hours 46 Mins 18 Secs","moonriseLocal":"17:58","moonsetLocal":"05:49","rahuKala":{"name":"Rāhu Kāla","start":"09:10","end":"10:41","startHours":9.161042795834923,"endHours":10.689597108237841,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:45","end":"15:17","startHours":13.74670573304368,"endHours":15.275260045446597,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:06","end":"07:38","startHours":6.103934171029085,"endHours":7.632488483432004,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.9572355541812,"endHours":9.364850037488646,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.613452275163391,"endHours":6.939543861809347,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:38","startHours":11.810536937333316,"endHours":12.625765903948205,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:17","startHours":4.4734762377993045,"endHours":5.288705204414195,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:06","startHours":5.084897962760472,"endHours":6.103934171029085,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:04","startHours":14.256223837177986,"endHours":15.071452803792877,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.132368670252436,"endHours":18.532368670252435,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:51","startHours":18.332368670252436,"endHours":18.84188677438674,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.082368670252436,"endHours":19.832368670252436,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:38","startHours":23.810536937333314,"endHours":24.625765903948203,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:06","end":"07:38","startHours":6.103934171029085,"endHours":7.632488483432004,"quality":"inauspicious"},{"name":"Śubha","start":"07:38","end":"09:10","startHours":7.632488483432004,"endHours":9.161042795834923,"quality":"auspicious"},{"name":"Roga","start":"09:10","end":"10:41","startHours":9.161042795834923,"endHours":10.689597108237841,"quality":"inauspicious"},{"name":"Udveg","start":"10:41","end":"12:13","startHours":10.689597108237841,"endHours":12.21815142064076,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:45","startHours":12.21815142064076,"endHours":13.74670573304368,"quality":"neutral"},{"name":"Labha","start":"13:45","end":"15:17","startHours":13.74670573304368,"endHours":15.275260045446597,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:48","startHours":15.275260045446597,"endHours":16.803814357849518,"quality":"auspicious"},{"name":"Kāla","start":"16:48","end":"18:20","startHours":16.803814357849518,"endHours":18.332368670252436,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:20","end":"19:48","startHours":18.332368670252436,"endHours":19.803814357849518,"quality":"auspicious"},{"name":"Amṛta","start":"19:48","end":"21:17","startHours":19.803814357849518,"endHours":21.275260045446597,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:45","startHours":21.275260045446597,"endHours":22.74670573304368,"quality":"inauspicious"},{"name":"Śubha","start":"22:45","end":"00:13","startHours":22.74670573304368,"endHours":24.21815142064076,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:41","startHours":24.21815142064076,"endHours":25.68959710823784,"quality":"inauspicious"},{"name":"Udveg","start":"01:41","end":"03:10","startHours":25.68959710823784,"endHours":27.161042795834923,"quality":"inauspicious"},{"name":"Chala","start":"03:10","end":"04:38","startHours":27.161042795834923,"endHours":28.632488483432006,"quality":"neutral"},{"name":"Labha","start":"04:38","end":"06:06","startHours":28.632488483432006,"endHours":30.103934171029085,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.103934171029085,"endHours":7.103934171029085,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.103934171029085,"endHours":8.103934171029085,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.103934171029085,"endHours":9.103934171029085,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.103934171029085,"endHours":10.103934171029085,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.103934171029085,"endHours":11.103934171029085,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.103934171029085,"endHours":12.103934171029085,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.103934171029085,"endHours":13.103934171029085,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.103934171029085,"endHours":14.103934171029085,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.103934171029085,"endHours":15.103934171029085,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.103934171029085,"endHours":16.103934171029085,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.103934171029085,"endHours":17.103934171029085,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.103934171029085,"endHours":18.103934171029085,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.103934171029085,"endHours":19.103934171029085,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.103934171029085,"endHours":20.103934171029085,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.103934171029085,"endHours":21.103934171029085,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.103934171029085,"endHours":22.103934171029085,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.103934171029085,"endHours":23.103934171029085,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.103934171029085,"endHours":24.103934171029085,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.103934171029085,"endHours":25.103934171029085,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.103934171029085,"endHours":26.103934171029085,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.103934171029085,"endHours":27.103934171029085,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.103934171029085,"endHours":28.103934171029085,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.103934171029085,"endHours":29.103934171029085,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.103934171029085,"endHours":30.103934171029085,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.405797174547468,"eotMinutes":7.346914761554353,"ayanamsa":23.5138}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pūrṇimā · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 20, 1975 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"September 20, 1975 CE for Noida, Uttar Pradesh: Śukla Pūrṇimā, sūryodaya 06:06, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1975-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1975-09-20","sa":"https://sa.vidhyamitra.com/city/noida/1975-09-20","hi":"https://hi.vidhyamitra.com/city/noida/1975-09-20","x-default":"https://vidhyamitra.com/city/noida/1975-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T11:29:40.407Z","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":"2026-09-06T11:29:40.407Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T11:29:40.407Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}