{"id":"vidhyamitra:city-day:noida:1980-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1980-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-12-01","date_display":"December 1, 1980 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":1980,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444574.770833,"kali_year":5082,"ahargana":1856109.2708,"sun":{"sidereal_longitude":224.9675,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.9392,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.9717,"elapsed_within_tithi_degrees":9.9717},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.9392,"elapsed_within_degrees":4.2725},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.9067},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1980,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444574.770833,"ahargana":1856109.2708,"kali_year":5082,"ayanamsa_lahiri":23.5864,"grahas":{"sun":{"sidereal_longitude":225.41952400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":153.36062400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":2.6775},"mars":{"sidereal_longitude":253.57242399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":209.42222400000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":162.479424,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":195.321324,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":163.90312399999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":114.3986,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":294.3986,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":1980,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444574.770833,"kali_year":5082,"ahargana":1856109.2708,"sun":{"sidereal_longitude":224.9675,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.9392,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.9717,"elapsed_within_tithi_degrees":9.9717},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.9392,"elapsed_within_degrees":4.2725},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.9067},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.677,"elongation":74.028},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.677,"opposition_distance":105.972}},"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":"06:56","sunsetLocal":"17:24","solarNoonLocal":"12:10","dayLengthHours":10.46455030441524,"dayLengthDisplay":"10 Hours 27 Mins 52 Secs","nightLengthDisplay":"13 Hours 32 Mins 08 Secs","moonriseLocal":"01:17","moonsetLocal":"13:27","rahuKala":{"name":"Rāhu Kāla","start":"08:15","end":"09:33","startHours":8.247542792504277,"endHours":9.555611580556182,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:10","startHours":10.863680368608087,"endHours":12.171749156659992,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:29","end":"14:47","startHours":13.479817944711897,"endHours":14.787886732763802,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:44","startHours":9.381202408815927,"endHours":9.730020752296436,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:39","startHours":7.3754969338030065,"endHours":7.654551608587413,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:31","startHours":11.822930813179484,"endHours":12.5205675001405,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:15","startHours":5.544200630530339,"endHours":6.241837317491355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"06:56","startHours":6.0674281457511015,"endHours":6.9394740044523715,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:37","startHours":13.915840874062532,"endHours":14.613477561023547,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.204024308867613,"endHours":17.60402430886761,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.404024308867612,"endHours":17.840047238218247,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.154024308867612,"endHours":18.904024308867612,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:31","startHours":23.822930813179482,"endHours":24.5205675001405,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:56","end":"08:15","startHours":6.9394740044523715,"endHours":8.247542792504277,"quality":"auspicious"},{"name":"Kāla","start":"08:15","end":"09:33","startHours":8.247542792504277,"endHours":9.555611580556182,"quality":"inauspicious"},{"name":"Śubha","start":"09:33","end":"10:52","startHours":9.555611580556182,"endHours":10.863680368608087,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:10","startHours":10.863680368608087,"endHours":12.171749156659992,"quality":"inauspicious"},{"name":"Udveg","start":"12:10","end":"13:29","startHours":12.171749156659992,"endHours":13.479817944711897,"quality":"inauspicious"},{"name":"Chala","start":"13:29","end":"14:47","startHours":13.479817944711897,"endHours":14.787886732763802,"quality":"neutral"},{"name":"Labha","start":"14:47","end":"16:06","startHours":14.787886732763802,"endHours":16.095955520815707,"quality":"auspicious"},{"name":"Amṛta","start":"16:06","end":"17:24","startHours":16.095955520815707,"endHours":17.404024308867612,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:24","end":"19:06","startHours":17.404024308867612,"endHours":19.095955520815707,"quality":"neutral"},{"name":"Labha","start":"19:06","end":"20:47","startHours":19.095955520815707,"endHours":20.787886732763802,"quality":"auspicious"},{"name":"Amṛta","start":"20:47","end":"22:29","startHours":20.787886732763802,"endHours":22.479817944711897,"quality":"auspicious"},{"name":"Kāla","start":"22:29","end":"00:10","startHours":22.479817944711897,"endHours":24.171749156659992,"quality":"inauspicious"},{"name":"Śubha","start":"00:10","end":"01:52","startHours":24.171749156659992,"endHours":25.863680368608087,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:33","startHours":25.863680368608087,"endHours":27.55561158055618,"quality":"inauspicious"},{"name":"Udveg","start":"03:33","end":"05:15","startHours":27.55561158055618,"endHours":29.247542792504277,"quality":"inauspicious"},{"name":"Chala","start":"05:15","end":"06:56","startHours":29.247542792504277,"endHours":30.93947400445237,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.9394740044523715,"endHours":7.9394740044523715,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.9394740044523715,"endHours":8.939474004452372,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.939474004452372,"endHours":9.939474004452372,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.939474004452372,"endHours":10.939474004452372,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.939474004452372,"endHours":11.939474004452372,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.939474004452372,"endHours":12.939474004452372,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.939474004452372,"endHours":13.939474004452372,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.939474004452372,"endHours":14.939474004452372,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.939474004452372,"endHours":15.939474004452372,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.939474004452372,"endHours":16.93947400445237,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.93947400445237,"endHours":17.93947400445237,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.93947400445237,"endHours":18.93947400445237,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.93947400445237,"endHours":19.93947400445237,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.93947400445237,"endHours":20.93947400445237,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.93947400445237,"endHours":21.93947400445237,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.93947400445237,"endHours":22.93947400445237,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.93947400445237,"endHours":23.93947400445237,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.93947400445237,"endHours":24.93947400445237,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.93947400445237,"endHours":25.93947400445237,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.93947400445237,"endHours":26.93947400445237,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.93947400445237,"endHours":27.93947400445237,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.93947400445237,"endHours":28.93947400445237,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.93947400445237,"endHours":29.93947400445237,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.93947400445237,"endHours":30.93947400445237,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.797663741815217,"eotMinutes":10.131050600400467,"ayanamsa":23.5864}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Navamī · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Somavāra (Monday) — 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 December 1, 1980 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"December 1, 1980 CE for Noida, Uttar Pradesh: Kṛṣṇa Navamī, sūryodaya 06:56, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1980-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1980-12-01","sa":"https://sa.vidhyamitra.com/city/noida/1980-12-01","hi":"https://hi.vidhyamitra.com/city/noida/1980-12-01","x-default":"https://vidhyamitra.com/city/noida/1980-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T06:20:43.332Z","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":"2026-09-06T06:20:43.332Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T06:20:43.332Z","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"}}}