{"id":"vidhyamitra:city-day:mathura:1963-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1963-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-05-12","date_display":"May 12, 1963 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":1963,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438161.770833,"kali_year":5065,"ahargana":1849696.2708,"sun":{"sidereal_longitude":27.3606,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":246.8543,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.4936,"elapsed_within_tithi_degrees":3.4936},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.8543,"elapsed_within_degrees":6.8543},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.2149},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1963,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438161.770833,"ahargana":1849696.2708,"kali_year":5065,"ayanamsa_lahiri":23.3411,"grahas":{"sun":{"sidereal_longitude":27.272947999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":244.03544799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":2.0648},"mars":{"sidereal_longitude":116.82864800000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":36.95464800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":345.969648,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":358.745748,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":300.04364799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":94.1902,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.1902,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":"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":1963,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438161.770833,"kali_year":5065,"ahargana":1849696.2708,"sun":{"sidereal_longitude":27.3606,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":246.8543,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.4936,"elapsed_within_tithi_degrees":3.4936},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.8543,"elapsed_within_degrees":6.8543},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.2149},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.065,"elongation":140.506},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.065,"opposition_distance":39.494}},"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":"05:33","sunsetLocal":"18:58","solarNoonLocal":"12:16","dayLengthHours":13.424088431850201,"dayLengthDisplay":"13 Hours 25 Mins 27 Secs","nightLengthDisplay":"10 Hours 34 Mins 33 Secs","moonriseLocal":"21:32","moonsetLocal":"07:53","rahuKala":{"name":"Rāhu Kāla","start":"17:18","end":"18:58","startHours":17.293493500616016,"endHours":18.971504554597292,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:56","startHours":12.259460338672191,"endHours":13.937471392653467,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:37","end":"17:18","startHours":15.615482446634743,"endHours":17.293493500616016,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.679703423512139,"endHours":9.127173037907145,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:06","end":"06:28","startHours":6.10675314074085,"endHours":6.4647288322568555,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:42","startHours":11.811990724277186,"endHours":12.706929953067197,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:45","end":"04:39","startHours":3.7575376651670647,"endHours":4.652476893957078,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:33","startHours":4.428742086759575,"endHours":5.547416122747092,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:24","startHours":14.496808410647226,"endHours":15.39174763943724,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.771504554597293,"endHours":19.17150455459729,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:32","startHours":18.971504554597292,"endHours":19.53084157259105,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.721504554597292,"endHours":20.471504554597292,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:42","startHours":23.811990724277184,"endHours":24.7069299530672,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:33","end":"07:14","startHours":5.547416122747092,"endHours":7.225427176728367,"quality":"inauspicious"},{"name":"Chala","start":"07:14","end":"08:54","startHours":7.225427176728367,"endHours":8.903438230709643,"quality":"neutral"},{"name":"Labha","start":"08:54","end":"10:35","startHours":8.903438230709643,"endHours":10.581449284690917,"quality":"auspicious"},{"name":"Amṛta","start":"10:35","end":"12:16","startHours":10.581449284690917,"endHours":12.259460338672191,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:56","startHours":12.259460338672191,"endHours":13.937471392653467,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:37","startHours":13.937471392653467,"endHours":15.615482446634743,"quality":"auspicious"},{"name":"Roga","start":"15:37","end":"17:18","startHours":15.615482446634743,"endHours":17.293493500616016,"quality":"inauspicious"},{"name":"Udveg","start":"17:18","end":"18:58","startHours":17.293493500616016,"endHours":18.971504554597292,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:58","end":"20:18","startHours":18.971504554597292,"endHours":20.293493500616016,"quality":"auspicious"},{"name":"Roga","start":"20:18","end":"21:37","startHours":20.293493500616016,"endHours":21.615482446634743,"quality":"inauspicious"},{"name":"Udveg","start":"21:37","end":"22:56","startHours":21.615482446634743,"endHours":22.937471392653467,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:16","startHours":22.937471392653467,"endHours":24.25946033867219,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:35","startHours":24.25946033867219,"endHours":25.581449284690915,"quality":"auspicious"},{"name":"Amṛta","start":"01:35","end":"02:54","startHours":25.581449284690915,"endHours":26.90343823070964,"quality":"auspicious"},{"name":"Kāla","start":"02:54","end":"04:14","startHours":26.90343823070964,"endHours":28.225427176728367,"quality":"inauspicious"},{"name":"Śubha","start":"04:14","end":"05:33","startHours":28.225427176728367,"endHours":29.54741612274709,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.547416122747092,"endHours":6.547416122747092,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.547416122747092,"endHours":7.547416122747092,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.547416122747092,"endHours":8.54741612274709,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.54741612274709,"endHours":9.54741612274709,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.54741612274709,"endHours":10.54741612274709,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.54741612274709,"endHours":11.54741612274709,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.54741612274709,"endHours":12.54741612274709,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.54741612274709,"endHours":13.54741612274709,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.54741612274709,"endHours":14.54741612274709,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.54741612274709,"endHours":15.54741612274709,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.54741612274709,"endHours":16.54741612274709,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.54741612274709,"endHours":17.54741612274709,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.54741612274709,"endHours":18.54741612274709,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.54741612274709,"endHours":19.54741612274709,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.54741612274709,"endHours":20.54741612274709,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.54741612274709,"endHours":21.54741612274709,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.54741612274709,"endHours":22.54741612274709,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.54741612274709,"endHours":23.54741612274709,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.54741612274709,"endHours":24.54741612274709,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.54741612274709,"endHours":25.54741612274709,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.54741612274709,"endHours":26.54741612274709,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.54741612274709,"endHours":27.54741612274709,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.54741612274709,"endHours":28.54741612274709,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.54741612274709,"endHours":29.54741612274709,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"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":17.90279958143714,"eotMinutes":3.7375796796685163,"ayanamsa":23.3411}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturthī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 May 12, 1963 CE · Mathurā · Vidhyamitra","description":"May 12, 1963 CE for Mathurā: Kṛṣṇa Caturthī, sūryodaya 05:33, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1963-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1963-05-12","sa":"https://sa.vidhyamitra.com/city/mathura/1963-05-12","hi":"https://hi.vidhyamitra.com/city/mathura/1963-05-12","x-default":"https://vidhyamitra.com/city/mathura/1963-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T13:44:52.433Z","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":"2026-05-14T13:44:52.433Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T13:44:52.433Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}