{"id":"vidhyamitra:city-day:mathura:1982-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1982-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-04-21","date_display":"April 21, 1982 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":1982,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445080.770833,"kali_year":5084,"ahargana":1856615.2708,"sun":{"sidereal_longitude":7.1642,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":330.3241,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.1599,"elapsed_within_tithi_degrees":11.1599},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.3241,"elapsed_within_degrees":10.3241},"yoga":{"number":26,"name":"Indra","sum_longitude":337.4883},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1982,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445080.770833,"ahargana":1856615.2708,"kali_year":5084,"ayanamsa_lahiri":23.6058,"grahas":{"sun":{"sidereal_longitude":7.015990999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":329.98359099999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.9992},"mars":{"sidereal_longitude":159.71329100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":17.55409099999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":192.95939099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":321.8697910000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":174.146791,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":87.5883,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.5883,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":"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":1982,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445080.770833,"kali_year":5084,"ahargana":1856615.2708,"sun":{"sidereal_longitude":7.1642,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":330.3241,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.1599,"elapsed_within_tithi_degrees":11.1599},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.3241,"elapsed_within_degrees":10.3241},"yoga":{"number":26,"name":"Indra","sum_longitude":337.4883},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.999,"elongation":36.84},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.999,"opposition_distance":143.16}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:50","sunsetLocal":"18:47","solarNoonLocal":"12:18","dayLengthHours":12.952793331182166,"dayLengthDisplay":"12 Hours 57 Mins 10 Secs","nightLengthDisplay":"11 Hours 02 Mins 50 Secs","moonriseLocal":"03:53","moonsetLocal":"15:47","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:55","startHours":12.301964519313962,"endHours":13.921063685711733,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:27","end":"09:04","startHours":7.444667020120649,"endHours":9.06376618651842,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:18","startHours":10.682865352916192,"endHours":12.301964519313962,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.847886297665383,"endHours":9.279646075371456,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.365267575855469,"endHours":6.710675398020327,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.87020474160789,"endHours":12.733724297020034,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.09852874289859,"endHours":4.962048298310734,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:50","startHours":4.746168409457698,"endHours":5.8255678537228786,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.460763407844324,"endHours":15.324282963256469,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.578361184905045,"endHours":18.978361184905044,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:19","startHours":18.778361184905044,"endHours":19.318060907037633,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.528361184905044,"endHours":20.278361184905044,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.87020474160789,"endHours":24.733724297020036,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:50","end":"07:27","startHours":5.8255678537228786,"endHours":7.444667020120649,"quality":"auspicious"},{"name":"Amṛta","start":"07:27","end":"09:04","startHours":7.444667020120649,"endHours":9.06376618651842,"quality":"auspicious"},{"name":"Kāla","start":"09:04","end":"10:41","startHours":9.06376618651842,"endHours":10.682865352916192,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:18","startHours":10.682865352916192,"endHours":12.301964519313962,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:55","startHours":12.301964519313962,"endHours":13.921063685711733,"quality":"inauspicious"},{"name":"Udveg","start":"13:55","end":"15:32","startHours":13.921063685711733,"endHours":15.540162852109503,"quality":"inauspicious"},{"name":"Chala","start":"15:32","end":"17:10","startHours":15.540162852109503,"endHours":17.159262018507274,"quality":"neutral"},{"name":"Labha","start":"17:10","end":"18:47","startHours":17.159262018507274,"endHours":18.778361184905044,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:47","end":"20:10","startHours":18.778361184905044,"endHours":20.159262018507274,"quality":"inauspicious"},{"name":"Chala","start":"20:10","end":"21:32","startHours":20.159262018507274,"endHours":21.540162852109503,"quality":"neutral"},{"name":"Labha","start":"21:32","end":"22:55","startHours":21.540162852109503,"endHours":22.921063685711733,"quality":"auspicious"},{"name":"Amṛta","start":"22:55","end":"00:18","startHours":22.921063685711733,"endHours":24.301964519313962,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"01:41","startHours":24.301964519313962,"endHours":25.682865352916192,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"03:04","startHours":25.682865352916192,"endHours":27.06376618651842,"quality":"auspicious"},{"name":"Roga","start":"03:04","end":"04:27","startHours":27.06376618651842,"endHours":28.444667020120647,"quality":"inauspicious"},{"name":"Udveg","start":"04:27","end":"05:50","startHours":28.444667020120647,"endHours":29.82556785372288,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.8255678537228786,"endHours":6.8255678537228786,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.8255678537228786,"endHours":7.8255678537228786,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.8255678537228786,"endHours":8.825567853722879,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.825567853722879,"endHours":9.825567853722879,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.825567853722879,"endHours":10.825567853722879,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.825567853722879,"endHours":11.825567853722879,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.825567853722879,"endHours":12.825567853722879,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.825567853722879,"endHours":13.825567853722879,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.825567853722879,"endHours":14.825567853722879,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.825567853722879,"endHours":15.825567853722879,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.825567853722879,"endHours":16.82556785372288,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.82556785372288,"endHours":17.82556785372288,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.82556785372288,"endHours":18.82556785372288,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.82556785372288,"endHours":19.82556785372288,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.82556785372288,"endHours":20.82556785372288,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.82556785372288,"endHours":21.82556785372288,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.82556785372288,"endHours":22.82556785372288,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.82556785372288,"endHours":23.82556785372288,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.82556785372288,"endHours":24.82556785372288,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.82556785372288,"endHours":25.82556785372288,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.82556785372288,"endHours":26.82556785372288,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.82556785372288,"endHours":27.82556785372288,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.82556785372288,"endHours":28.82556785372288,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.82556785372288,"endHours":29.82556785372288,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.688601460183179,"eotMinutes":1.1873288411622274,"ayanamsa":23.6058}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 21, 1982 CE · Mathurā · Vidhyamitra","description":"April 21, 1982 CE for Mathurā: Kṛṣṇa Dvādaśī, sūryodaya 05:50, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1982-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1982-04-21","sa":"https://sa.vidhyamitra.com/city/mathura/1982-04-21","hi":"https://hi.vidhyamitra.com/city/mathura/1982-04-21","x-default":"https://vidhyamitra.com/city/mathura/1982-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:43:43.295Z","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":"2026-05-14T12:43:43.295Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:43:43.295Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}