{"id":"vidhyamitra:city-day:mathura:1963-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1963-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-02-06","date_display":"February 6, 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":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438066.770833,"kali_year":5064,"ahargana":1849601.2708,"sun":{"sidereal_longitude":293.3264,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":83.1013,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.7749,"elapsed_within_tithi_degrees":5.7749},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":83.1013,"elapsed_within_degrees":3.1013},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.4277},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1963,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438066.770833,"ahargana":1849601.2708,"kali_year":5064,"ayanamsa_lahiri":23.3375,"grahas":{"sun":{"sidereal_longitude":293.191378,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":82.44237800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-1.2484},"mars":{"sidereal_longitude":111.49637799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":269.19687799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":323.780178,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":247.32427799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":291.4517780000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":99.2238,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.2238,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438066.770833,"kali_year":5064,"ahargana":1849601.2708,"sun":{"sidereal_longitude":293.3264,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":83.1013,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.7749,"elapsed_within_tithi_degrees":5.7749},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":83.1013,"elapsed_within_degrees":3.1013},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.4277},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.248,"elongation":149.775},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.248,"opposition_distance":30.225}},"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":"07:04","sunsetLocal":"18:03","solarNoonLocal":"12:34","dayLengthHours":10.996265050493808,"dayLengthDisplay":"10 Hours 59 Mins 47 Secs","nightLengthDisplay":"13 Hours 00 Mins 13 Secs","moonriseLocal":"15:38","moonsetLocal":"05:23","rahuKala":{"name":"Rāhu Kāla","start":"12:34","end":"13:56","startHours":12.560008885291289,"endHours":13.934542016603015,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:26","end":"09:49","startHours":8.43640949135611,"endHours":9.810942622667836,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:11","end":"12:34","startHours":11.185475753979564,"endHours":12.560008885291289,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:00","startHours":9.62767153849294,"endHours":9.994213706842732,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:49","startHours":7.520054070481626,"endHours":7.813287805161461,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.193466716941494,"endHours":12.92655105364108,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:20","startHours":5.59570768664521,"endHours":6.328792023344797,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:04","startHours":6.1455209391699,"endHours":7.061876360044384,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.392719727040255,"endHours":15.125804063739842,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.85814141053819,"endHours":18.25814141053819,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:31","startHours":18.05814141053819,"endHours":18.51631912097543,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.80814141053819,"endHours":19.55814141053819,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.193466716941494,"endHours":24.926551053641084,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:04","end":"08:26","startHours":7.061876360044384,"endHours":8.43640949135611,"quality":"auspicious"},{"name":"Amṛta","start":"08:26","end":"09:49","startHours":8.43640949135611,"endHours":9.810942622667836,"quality":"auspicious"},{"name":"Kāla","start":"09:49","end":"11:11","startHours":9.810942622667836,"endHours":11.185475753979564,"quality":"inauspicious"},{"name":"Śubha","start":"11:11","end":"12:34","startHours":11.185475753979564,"endHours":12.560008885291289,"quality":"auspicious"},{"name":"Roga","start":"12:34","end":"13:56","startHours":12.560008885291289,"endHours":13.934542016603015,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:19","startHours":13.934542016603015,"endHours":15.30907514791474,"quality":"inauspicious"},{"name":"Chala","start":"15:19","end":"16:41","startHours":15.30907514791474,"endHours":16.683608279226465,"quality":"neutral"},{"name":"Labha","start":"16:41","end":"18:03","startHours":16.683608279226465,"endHours":18.05814141053819,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:03","end":"19:41","startHours":18.05814141053819,"endHours":19.683608279226465,"quality":"inauspicious"},{"name":"Chala","start":"19:41","end":"21:19","startHours":19.683608279226465,"endHours":21.30907514791474,"quality":"neutral"},{"name":"Labha","start":"21:19","end":"22:56","startHours":21.30907514791474,"endHours":22.93454201660301,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:34","startHours":22.93454201660301,"endHours":24.56000888529129,"quality":"auspicious"},{"name":"Kāla","start":"00:34","end":"02:11","startHours":24.56000888529129,"endHours":26.18547575397956,"quality":"inauspicious"},{"name":"Śubha","start":"02:11","end":"03:49","startHours":26.18547575397956,"endHours":27.810942622667834,"quality":"auspicious"},{"name":"Roga","start":"03:49","end":"05:26","startHours":27.810942622667834,"endHours":29.43640949135611,"quality":"inauspicious"},{"name":"Udveg","start":"05:26","end":"07:04","startHours":29.43640949135611,"endHours":31.061876360044383,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.061876360044384,"endHours":8.061876360044383,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.061876360044383,"endHours":9.061876360044383,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.061876360044383,"endHours":10.061876360044383,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.061876360044383,"endHours":11.061876360044383,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.061876360044383,"endHours":12.061876360044383,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.061876360044383,"endHours":13.061876360044383,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.061876360044383,"endHours":14.061876360044383,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.061876360044383,"endHours":15.061876360044383,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.061876360044383,"endHours":16.061876360044383,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.061876360044383,"endHours":17.061876360044383,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.061876360044383,"endHours":18.061876360044383,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.061876360044383,"endHours":19.061876360044383,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.061876360044383,"endHours":20.061876360044383,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.061876360044383,"endHours":21.061876360044383,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.061876360044383,"endHours":22.061876360044383,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.061876360044383,"endHours":23.061876360044383,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.061876360044383,"endHours":24.061876360044383,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.061876360044383,"endHours":25.061876360044383,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.061876360044383,"endHours":26.061876360044383,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.061876360044383,"endHours":27.061876360044383,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.061876360044383,"endHours":28.061876360044383,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.061876360044383,"endHours":29.061876360044383,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.061876360044383,"endHours":30.061876360044383,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.061876360044383,"endHours":31.061876360044383,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.880716180695382,"eotMinutes":-14.295333117477217,"ayanamsa":23.3375}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 February 6, 1963 CE · Mathurā · Vidhyamitra","description":"February 6, 1963 CE for Mathurā: Śukla Trayodaśī, sūryodaya 07:04, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1963-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1963-02-06","sa":"https://sa.vidhyamitra.com/city/mathura/1963-02-06","hi":"https://hi.vidhyamitra.com/city/mathura/1963-02-06","x-default":"https://vidhyamitra.com/city/mathura/1963-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:37:51.150Z","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":"2026-05-14T20:37:51.150Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:37:51.150Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}